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ceramic transient voltage suppressors smd multilayer transient voltage suppressors for automotive applications ? epcos ag 201 2 . reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos' prior express consent is prohibited. the following products presented in this data sheet are being withdrawn. ordering code substitute product date of withdrawal deadline last orders last shipments b72510t5250k062 2012-11-09 2013-03-01 2013-06-01 for further information please contact your nearest epcos sales office, which will also support you in selecting a suitable substitute. the addresses of our worldwide sales network are presented at www.epcos.com/sales.
epcos type designation system for automotive series cn 2220 s 14 b auto e2 g2 k2 construction: ct single chip with nickel barrier termination (agnisn) cn single chip with silver-palladium termination (agpd) cn...k2 single chip with silver-platinum termination (agpt) eai case sizes: 0603 0805 1206 1210 1812 2220 varistor voltage tolerance: k 10%, standard s special tolerance maximum rms operating voltage (v rms ): 14 14 v v rms < 25 v are suitable for 12 v dc supply systems v rms 3 25 v are suitable for 24 v dc supply systems special tolerance for the varistor voltage: standard tolerance b special tolerance automotive series special features: standard energy handling capability e2 increased energy handling capability ht high temperature version lc low capacitance version cc controlled capacitance version taping mode: g taped, 180-mm reel, 7'' g2 taped, 330-mm reel, 13'' agpt termination multilayer varistors (mlvs) automotive series page 2 of 72 please read cautions and warnings and important notes at the end of this document.
features esd protection up to 25 kv, iso 10605 level iv, acc. to iec 61000-4-2 level 4 (8 kv contact, 15 kv air) high energy absorption capability low leakage current high temperature versions stable protection level bidirectional clamping no temperature derating up to 125 c rohs-compatible nickel barrier and agpt series suitable for lead-free soldering nickel barrier and agpt series qualified based on aec-q200 rev. c pspice simulation models available applications transient overvoltage protection in automotive applications: engine management, airbag, control units, electrohydraulic brake, abs/esp, sunroof load dump protection jump start protection design multilayer technology lack of plastic or epoxy encapsulation for flammability rating better than ul 94 v-0 termination (see soldering directions): ct types with nickel barrier terminations (agnisn), recommended for lead-free reflow and wave soldering, and compatible with tin/lead solder. cn types with silver-palladium terminations (agpd) only suitable for reflow and wave soldering with solder on tin/lead basis and for adhesive glueing. cn...k2 types with silver-platinum terminations (agpt) suitable for reflow lead-free soldering. v/i characteristics and derating curves v/i and derating curves are attached to the data sheet. the curves are sorted by v rms and then by case size, which is included in the type designation. single chip internal circuit available case sizes: eia metric 0603 1608 0805 2012 1206 3216 1210 3225 1812 4532 2220 5750 multilayer varistors (mlvs) automotive series page 3 of 72 please read cautions and warnings and important notes at the end of this document.
general technical data maximum rms operating voltage v rms,max 14 ... 30 v maximum dc operating voltage v dc,max 16 ... 38 v maximum surge current (8/20 s) i surge,max 5 ... 1200 a maximum load dump energy (10 pulses) w ld 1 ... 25 j maximum jump start voltage (5 min) v jump 24.5 ... 45 v maximum clamping voltage (8/20 s) v clamp,max 40 ... 120 v operating temperature auto types t op 55/+125 c operating temperature ht types t op 55/+150 c operating temperature special capacitance types t op 55/+125 c operating temperature standard types t op 55/+125 c storage temperature all types lct/uct 55/+150 c multilayer varistors (mlvs) automotive series page 4 of 72 please read cautions and warnings and important notes at the end of this document.
temperature derating climatic category: 55/+125 c for automotive, special capacitance and standard range. climatic category: 55/+150 c for high temperature (ht) range. multilayer varistors (mlvs) automotive series page 5 of 72 please read cautions and warnings and important notes at the end of this document.
electrical specifications and ordering codes maximum ratings (t op,max = 125 c, for ht types t op,max = 150 c) type ordering code v rms,max v v dc,max v i surge,max (8/20 s) a w max (2 ms) mj w ld (10 pulses) j p diss,max mw auto range, cn types cn1812s14bautoe2g2 b72580v3140s272 14 16 800 2400 12 15 cn1812s14bautoe2g2k2 b72582v3140s272 14 16 800 2400 12 15 cn1812s14bautog b72580v1140s262 14 16 800 2400 6 15 cn1812s14bautogk2 b72582v1140s262 14 16 800 2400 6 15 cn2220s14bautoe2g2 b72540v3140s272 14 16 1200 5800 25 30 cn2220s14bautoe2g2k2 b72542v3140s272 14 16 1200 5800 25 30 cn2220s14bautog b72540v1140s262 14 16 1200 5800 12 30 cn2220s14bautogk2 b72542v1140s262 14 16 1200 5800 12 30 cn2220s14eautoe2g2k2 b72542v3140s572 14 16 1200 5800 25 30 cn2220k30autoe2g2 b72540v3300k072 30 34 1200 12000 25 30 cn2220k30autoe2g2k2 b72542v3300k072 30 34 1200 12000 25 30 cn2220k30autog b72540v1300k062 30 34 1200 12000 12 30 cn2220k30autogk2 b72542v1300k062 30 34 1200 12000 12 30 auto range, ct types ct0603s14bautog b72500t1140s260 14 16 30 200 - 3 ct0805s14bautog b72510t1140s262 14 16 120 300 1 8 ct1206s14bautog b72520t1140s262 14 16 200 600 1.5 8 ct1210s14bautog b72530t1140s262 14 16 400 1600 3 10 ct1210k17autog b72530t1170k062 17 22 400 1700 3 10 ct1206k20autog b72520t1200k062 20 26 200 700 1.5 8 ct1210k20autog b72530t1200k062 20 26 400 1900 3 10 ct0805k25autog b72510t1250k062 25 31 80 300 1 5 ct1206k25autog b72520t1250k062 25 31 200 1000 1.5 8 ct1210k25autog b72530t1250k062 25 31 300 1700 3 10 high temperature (ht) range cn0603s14bhtg2 B72500H0140S270 14 18 30 200 - 3 cn0603s17bhtg b72500h0170s260 17 22 30 75 - 3 cn1210k17autohtg b72530h1170k062 17 22 400 1700 3 10 cn0603k25htg5 b72500h0250k062 25 31 30 300 - 3 special capacitance range, ct types ct0603s14ahsg b72500t8140s160 14 16 5 30 - 3 ct0603k17ccg b72500t5170k060 17 22 30 200 - 3 ct0603k17lcg b72500t2170k060 17 22 10 100 - 1 ct0603s17alcg b72500t2170s160 17 22 30 75 - 3 ct0603s17bccg b72500t5170s260 17 22 30 75 - 3 multilayer varistors (mlvs) automotive series page 6 of 72 please read cautions and warnings and important notes at the end of this document.
1) measured @ 1 mhz, 1 v characteristics (t a = 25 c) type v v (1 ma) v d v v % v jump (5 min) v v clamp,max v i clamp (8/20 s) a c typ (1 khz) pf c min (1 khz) pf c max (1 khz) pf auto range, cn types cn1812s14bautoe2g2 22 +23/ 0 24.5 40 5 7000 - - cn1812s14bautoe2g2k2 22 +23/ 0 24.5 40 5 7000 - - cn1812s14bautog 22 +23/ 0 24.5 40 5 5600 - - cn1812s14bautogk2 22 +23/ 0 24.5 40 5 5600 - - cn2220s14bautoe2g2 22 +23/ 0 24.5 40 10 15000 - - cn2220s14bautoe2g2k2 22 +23/ 0 24.5 40 10 15000 - - cn2220s14bautog 22 +23/ 0 24.5 40 10 9500 - - cn2220s14bautogk2 22 +23/ 0 24.5 40 10 9500 - - cn2220s14eautoe2g2k2 25 10 24.5 40 10 15000 - - cn2220k30autoe2g2 47 10 45 77 10 10000 - - cn2220k30autoe2g2k2 47 10 45 77 10 10000 - - cn2220k30autog 47 10 45 77 10 4000 - - cn2220k30autogk2 47 10 45 77 10 4000 - - auto range, ct types ct0603s14bautog 22 +23/ 0 24.5 42 1 120 - - ct0805s14bautog 22 +23/ 0 24.5 42 1 400 - - ct1206s14bautog 22 +23/ 0 24.5 40 1 800 - - ct1210s14bautog 22 +23/ 0 24.5 40 2.5 1700 - - ct1210k17autog 27 10 26.5 44 2.5 1800 - - ct1206k20autog 33 10 27 54 1 600 - - ct1210k20autog 33 10 27 54 2.5 1500 - - ct0805k25autog 39 10 29 67 1 250 - - ct1206k25autog 39 10 29 65 1 550 - - ct1210k25autog 39 10 29 65 2.5 1200 - - high temperature (ht) range cn0603s14bhtg2 22 +23/ 0 - 42 1 120 - - cn0603s17bhtg 25 +60/ 0 - 50 1 - 32 1) 74 1) cn1210k17autohtg 27 10 26.5 44 2.5 1800 - - cn0603k25htg5 39 10 - 67 1 90 1) - - special capacitance range, ct types ct0603s14ahsg 23 +44/ 0 - 66 1 15 1) - 30 1) ct0603k17ccg 27 10 - 46 1 - 128 192 ct0603k17lcg 27 10 - 50 1 - - 50 1) ct0603s17alcg 25 +60/ 0 - 50 1 - - 75 1) ct0603s17bccg 25 +60/ 0 - 50 1 - 31.8 1) 74.2 1) multilayer varistors (mlvs) automotive series page 7 of 72 please read cautions and warnings and important notes at the end of this document.
electrical specifications and ordering codes maximum ratings (t op,max = 125 c, for ht types t op,max = 150 c) type ordering code v rms,max v v dc,max v i surge,max (8/20 s) a w max (2 ms) mj w ld (10 pulses) j p diss,max mw special capacitance range, ct types ct0805k17autolcg b72510s2170k062 17 22 30 100 - 4 ct0805k17lcg b72510t2170k062 17 22 30 100 - 4 ct0603s20accg b72500t5200s160 20 26 30 300 - 3 ct0805s20acc2g2 b72510t9200s172 20 26 80 400 - 5 ct0603l25hsg b72500t8250l060 25 32 5 - - - ct0805k25ccg b72510t5250k062 25 31 80 300 - 5 standard range, cn types cn1812k14g b72580v0140k062 14 18 800 2300 - 15 cn1812k14gk2 b72582v0140k062 14 18 800 2300 - 15 cn2220k14g b72540v0140k062 14 18 1200 5800 - 20 cn1812k17g b72580v0170k062 17 22 800 2700 - 15 cn2220k17g b72540v0170k062 17 22 1200 7200 - 20 cn1812k20g b72580v0200k062 20 26 800 3000 - 15 cn2220k20g b72540v0200k062 20 26 1200 7800 - 20 cn2220k20gk2 b72542v0200k062 20 26 1200 7800 - 20 cn1812k25g b72580v0250k062 25 31 800 3700 - 15 cn2220k25g b72540v0250k062 25 31 1200 9600 - 20 cn2220k25gk2 b72542v0250k062 25 31 1200 9600 - 20 cn1812k30g b72580v0300k062 30 38 800 4200 - 15 cn1812k30gk2 b72582v0300k062 30 38 800 4200 - 15 cn2220k30g b72540v0300k062 30 38 1200 12000 - 20 cn2220k30gk2 b72542v0300k062 30 38 1200 12000 - 20 standard range, ct types ct0603k14g b72500t0140k060 14 18 30 200 - 3 ct0603s14bg b72500t0140s160 14 18 30 200 - 3 ct0805k14g b72510t0140k062 14 18 120 300 - 5 ct1206k14g b72520t0140k062 14 18 200 500 - 8 ct1210k14g b72530t0140k062 14 18 400 1500 - 10 ct0603k17g b72500t0170k060 17 22 30 200 - 3 ct0805k17g b72510t0170k062 17 22 120 300 - 5 ct1206k17g b72520t0170k062 17 22 200 600 - 8 ct1210k17g b72530t0170k062 17 22 400 1700 - 10 ct0603k20g b72500t0200k060 20 26 30 200 - 3 ct0805k20g b72510t0200k062 20 26 80 300 - 5 multilayer varistors (mlvs) automotive series page 8 of 72 please read cautions and warnings and important notes at the end of this document.
characteristics (t a = 25 c) type v v (1 ma) v d v v % v jump (5 min) v v clamp,max v i clamp (8/20 s) a c typ (1 khz) pf c min (1 khz) pf c max (1 khz) pf special capacitance range, ct types ct0805k17autolcg 25 +32/ 0 - 50 1 - - 100 1) ct0805k17lcg 25 +32/ 0 - 50 1 - - 100 1) ct0603s20accg 30 +40/ 0 - 67 1 - 64 1) 96 1) ct0805s20acc2g2 29.7 +34/ 0 - 64 1 - 170 270 ct0603l25hsg 51.9 +35/ 0 - 120 1 10 1) - 15 1) ct0805k25ccg 39 10 - 67 1 - 162.5 337.5 standard range, cn types cn1812k14g 22 10 - 38 5 4500 - - cn1812k14gk2 22 10 - 38 5 4500 - - cn2220k14g 22 10 - 38 10 10000 - - cn1812k17g 27 10 - 44 5 4000 - - cn2220k17g 27 10 - 44 10 9000 - - cn1812k20g 33 10 - 54 5 3000 - - cn2220k20g 33 10 - 54 10 7000 - - cn2220k20gk2 33 10 - 54 10 7000 - - cn1812k25g 39 10 - 65 5 2500 - - cn2220k25g 39 10 - 65 10 5000 - - cn2220k25gk2 39 10 - 65 10 5000 - - cn1812k30g 47 10 - 77 5 2000 - - cn1812k30gk2 47 10 - 77 5 2000 - - cn2220k30g 47 10 - 77 10 4000 - - cn2220k30gk2 47 10 - 77 10 4000 - - standard range, ct types ct0603k14g 22 10 - 40 1 100 - - ct0603s14bg 22 +23/ 0 - 42 1 120 - - ct0805k14g 22 10 - 40 1 350 - - ct1206k14g 22 10 - 38 1 700 - - ct1210k14g 22 10 - 38 2.5 2000 - - ct0603k17g 27 10 - 46 1 100 - - ct0805k17g 27 10 - 46 1 400 - - ct1206k17g 27 10 - 44 1 650 - - ct1210k17g 27 10 - 44 2.5 1800 - - ct0603k20g 33 10 - 56 1 90 - - ct0805k20g 33 10 - 56 1 300 - - multilayer varistors (mlvs) automotive series page 9 of 72 please read cautions and warnings and important notes at the end of this document.
electrical specifications and ordering codes maximum ratings (t op,max = 125 c, for ht types t op,max = 150 c) type ordering code v rms,max v v dc,max v i surge,max (8/20 s) a w max (2 ms) mj w ld (10 pulses) j p diss,max mw standard range, ct types ct1206k20g b72520t0200k062 20 26 200 700 - 8 ct1210k20g b72530t0200k062 20 26 400 1900 - 10 ct0603k25g b72500t0250k060 25 31 30 300 - 3 ct0805k25g b72510t0250k062 25 31 80 300 - 5 ct1206k25g b72520t0250k062 25 31 200 1000 - 8 ct1210k25g b72530t0250k062 25 31 300 1700 - 10 ct0805k30g b72510t0300k062 30 38 80 300 - 5 ct1206k30g b72520t0300k062 30 38 200 1100 - 8 ct1210k30g b72530t0300k062 30 38 300 2000 - 10 characteristics (t a = 25 c) type v v (1 ma) v d v v % v jump (5 min) v v clamp,max v i clamp (8/20 s) a c typ (1 khz) pf c min (1 khz) pf c max (1 khz) pf standard range, ct types ct1206k20g 33 10 - 54 1 600 - - ct1210k20g 33 10 - 54 2.5 1500 - - ct0603k25g 39 10 - 67 1 90 - - ct0805k25g 39 10 - 67 1 250 - - ct1206k25g 39 10 - 65 1 550 - - ct1210k25g 39 10 - 65 2.5 1200 - - ct0805k30g 47 10 - 77 1 200 - - ct1206k30g 47 10 - 77 1 500 - - ct1210k30g 47 10 - 77 2.5 1000 - - multilayer varistors (mlvs) automotive series page 10 of 72 please read cautions and warnings and important notes at the end of this document.
dimensional drawing dimensions in mm case size eia / mm l w h k 0603 / 1608 1.6 0.15 0.80 0.10 0.9 max. 0.10 ... 0.40 0805 / 2012 2.0 0.20 1.25 0.15 1.4 max. 0.13 ... 0.75 1206 / 3216 3.2 0.30 1.60 0.20 1.7 max. 0.25 ... 0.75 1210 / 3225 3.2 0.30 2.50 0.25 1.7 max. 0.25 ... 0.75 1812 / 4532 4.5 0.40 3.20 0.30 2.5 max. 0.25 ... 1.00 2220 / 5750 5.7 0.40 5.00 0.40 2.5 max. 0.25 ... 1.00 recommended solder pad layout dimensions in mm case size eia / mm a b c 0603 / 1608 1.00 1.00 1.00 0805 / 2012 1.40 1.20 1.00 1206 / 3216 1.80 1.20 2.10 1210 / 3225 2.80 1.20 2.10 1812 / 4532 3.60 1.50 3.00 2220 / 5750 5.50 1.50 4.20 multilayer varistors (mlvs) automotive series page 11 of 72 please read cautions and warnings and important notes at the end of this document.
delivery mode eia case size taping reel size mm packing unit pcs. type ordering code 0603 blister 180 4000 cn0603k25htg5 b72500h0250k062 0603 cardboard 330 16000 cn0603s14bhtg2 B72500H0140S270 0603 cardboard 180 4000 cn0603s17bhtg b72500h0170s260 1210 blister 180 3000 cn1210k17autohtg b72530h1170k062 1812 blister 180 1500 cn1812k14g b72580v0140k062 1812 blister 180 1500 cn1812k14gk2 b72582v0140k062 1812 blister 180 1500 cn1812k17g b72580v0170k062 1812 blister 180 1500 cn1812k20g b72580v0200k062 1812 blister 180 1000 cn1812k25g b72580v0250k062 1812 blister 180 1000 cn1812k30g b72580v0300k062 1812 blister 180 1000 cn1812k30gk2 b72582v0300k062 1812 blister 330 3000 cn1812s14bautoe2g2 b72580v3140s272 1812 blister 330 3000 cn1812s14bautoe2g2k2 b72582v3140s272 1812 blister 180 1500 cn1812s14bautog b72580v1140s262 1812 blister 180 1500 cn1812s14bautogk2 b72582v1140s262 2220 blister 180 1500 cn2220k14g b72540v0140k062 2220 blister 180 1500 cn2220k17g b72540v0170k062 2220 blister 180 1500 cn2220k20g b72540v0200k062 2220 blister 180 1500 cn2220k20gk2 b72542v0200k062 2220 blister 180 1000 cn2220k25g b72540v0250k062 2220 blister 180 1000 cn2220k25gk2 b72542v0250k062 2220 blister 330 3000 cn2220k30autoe2g2 b72540v3300k072 2220 blister 330 3000 cn2220k30autoe2g2k2 b72542v3300k072 2220 blister 180 1000 cn2220k30autog b72540v1300k062 2220 blister 180 1000 cn2220k30autogk2 b72542v1300k062 2220 blister 180 1000 cn2220k30g b72540v0300k062 2220 blister 180 1000 cn2220k30gk2 b72542v0300k062 2220 blister 330 3000 cn2220s14bautoe2g2 b72540v3140s272 2220 blister 330 3000 cn2220s14bautoe2g2k2 b72542v3140s272 2220 blister 180 1500 cn2220s14bautog b72540v1140s262 2220 blister 180 1500 cn2220s14bautogk2 b72542v1140s262 2220 blister 330 3000 cn2220s14eautoe2g2k2 b72542v3140s572 0603 cardboard 180 4000 ct0603k14g b72500t0140k060 0603 cardboard 180 4000 ct0603k17ccg b72500t5170k060 0603 cardboard 180 4000 ct0603k17g b72500t0170k060 0603 cardboard 180 4000 ct0603k17lcg b72500t2170k060 0603 cardboard 180 4000 ct0603k20g b72500t0200k060 0603 cardboard 180 4000 ct0603k25g b72500t0250k060 0603 cardboard 180 4000 ct0603l25hsg b72500t8250l060 0603 cardboard 180 4000 ct0603s14ahsg b72500t8140s160 0603 cardboard 180 4000 ct0603s14bautog b72500t1140s260 0603 cardboard 180 4000 ct0603s14bg b72500t0140s160 multilayer varistors (mlvs) automotive series page 12 of 72 please read cautions and warnings and important notes at the end of this document.
eia case size taping reel size mm packing unit pcs. type ordering code 0603 cardboard 180 4000 ct0603s17alcg b72500t2170s160 0603 cardboard 180 4000 ct0603s17bccg b72500t5170s260 0603 cardboard 180 4000 ct0603s20accg b72500t5200s160 0805 blister 180 3000 ct0805k14g b72510t0140k062 0805 blister 180 3000 ct0805k17autolcg b72510s2170k062 0805 blister 180 3000 ct0805k17g b72510t0170k062 0805 blister 180 3000 ct0805k17lcg b72510t2170k062 0805 blister 180 3000 ct0805k20g b72510t0200k062 0805 blister 180 3000 ct0805k25autog b72510t1250k062 0805 blister 180 3000 ct0805k25ccg b72510t5250k062 0805 blister 180 3000 ct0805k25g b72510t0250k062 0805 blister 180 3000 ct0805k30g b72510t0300k062 0805 blister 180 3000 ct0805s14bautog b72510t1140s262 0805 blister 330 12000 ct0805s20acc2g2 b72510t9200s172 1206 blister 180 3000 ct1206k14g b72520t0140k062 1206 blister 180 3000 ct1206k17g b72520t0170k062 1206 blister 180 3000 ct1206k20autog b72520t1200k062 1206 blister 180 3000 ct1206k20g b72520t0200k062 1206 blister 180 2000 ct1206k25autog b72520t1250k062 1206 blister 180 2000 ct1206k25g b72520t0250k062 1206 blister 180 2000 ct1206k30g b72520t0300k062 1206 blister 180 3000 ct1206s14bautog b72520t1140s262 1210 blister 180 3000 ct1210k14g b72530t0140k062 1210 blister 180 3000 ct1210k17autog b72530t1170k062 1210 blister 180 2000 ct1210k17g b72530t0170k062 1210 blister 180 3000 ct1210k20autog b72530t1200k062 1210 blister 180 3000 ct1210k20g b72530t0200k062 1210 blister 180 2000 ct1210k25autog b72530t1250k062 1210 blister 180 2000 ct1210k25g b72530t0250k062 1210 blister 180 2000 ct1210k30g b72530t0300k062 1210 blister 180 3000 ct1210s14bautog b72530t1140s262 multilayer varistors (mlvs) automotive series page 13 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for automotive range, cn types cn1812s14bautoe2g2(k2) cn1812s14bautog(k2) multilayer varistors (mlvs) automotive series page 14 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for automotive range, cn types cn2220s14bautoe2g2(k2) cn2220s14bautog(k2) multilayer varistors (mlvs) automotive series page 15 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for automotive range, cn types cn2220k30autoe2g2(k2) cn2220k30autog(k2) multilayer varistors (mlvs) automotive series page 16 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for automotive range, cn types cn2220s14eautoe2g2k2 multilayer varistors (mlvs) automotive series page 17 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for automotive range, ct types ct0603s14bautog ct0805s14bautog multilayer varistors (mlvs) automotive series page 18 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for automotive range, ct types ct0805k25autog ct1206s14bautog multilayer varistors (mlvs) automotive series page 19 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for automotive range, ct types ct1206k20autog ct1206k25autog multilayer varistors (mlvs) automotive series page 20 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for automotive range, ct types ct1210s14bautog ct1210k17autog multilayer varistors (mlvs) automotive series page 21 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for automotive range, ct types ct1210k20autog ct1210k25autog multilayer varistors (mlvs) automotive series page 22 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for high temperature (ht) range cn0603s14bhtg2 cn0603s17bhtg multilayer varistors (mlvs) automotive series page 23 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for high temperature (ht) range cn0603k25htg cn1210k17autohtg multilayer varistors (mlvs) automotive series page 24 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for special capacitance range ct0603s14ahsg ct0603k17ccg multilayer varistors (mlvs) automotive series page 25 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for special capacitance range ct0603k17lcg ct0603s17alcg ct0603s17bccg multilayer varistors (mlvs) automotive series page 26 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for special capacitance range ct0603s20accg ct0603l25hsg multilayer varistors (mlvs) automotive series page 27 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for special capacitance range ct0805k17lcg ct0805k17autolcg ct0805s20acc2g2 multilayer varistors (mlvs) automotive series page 28 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for special capacitance range ct0805k25ccg multilayer varistors (mlvs) automotive series page 29 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, cn types cn1812k14g(k2) cn1812k17g multilayer varistors (mlvs) automotive series page 30 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, cn types cn1812k20g cn1812k25g multilayer varistors (mlvs) automotive series page 31 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, cn types cn1812k30g(k2) cn2220k14g multilayer varistors (mlvs) automotive series page 32 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, cn types cn2220k17g cn2220k20g(k2) multilayer varistors (mlvs) automotive series page 33 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, cn types cn2220k25g(k2) cn2220k30g(k2) multilayer varistors (mlvs) automotive series page 34 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct0603k14g ct0603s14bg multilayer varistors (mlvs) automotive series page 35 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct0603k17g ct0603k20g multilayer varistors (mlvs) automotive series page 36 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct0603k25g ct0805k14g multilayer varistors (mlvs) automotive series page 37 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct0805k17g ct0805k20g multilayer varistors (mlvs) automotive series page 38 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct0805k25g ct0805k30g multilayer varistors (mlvs) automotive series page 39 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct1206k14g ct1206k17g multilayer varistors (mlvs) automotive series page 40 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct1206k20g ct1206k25g multilayer varistors (mlvs) automotive series page 41 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct1206k30g ct1210k14g multilayer varistors (mlvs) automotive series page 42 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct1210k17g ct1210k20g multilayer varistors (mlvs) automotive series page 43 of 72 please read cautions and warnings and important notes at the end of this document.
v/i characteristics for standard range, ct types ct1210k25g ct1210k30g multilayer varistors (mlvs) automotive series page 44 of 72 please read cautions and warnings and important notes at the end of this document.
derating curves maximum surge current i surge,max = f (t r , pulse train) for explanation of the derating curves refer to "general technical information", chapter 2.7.2 cn0603 ... htg (g2, g5), ct0603k14 ... k25g, ct0603s14b(auto)g, ct0603k17ccg, ct0603s17alcg, ct0603s17bccg, ct0603s20accg, ct0805k17(auto)lcg ct0603k17lcg multilayer varistors (mlvs) automotive series page 45 of 72 please read cautions and warnings and important notes at the end of this document.
derating curves maximum surge current i surge,max = f (t r , pulse train) for explanation of the derating curves refer to "general technical information", chapter 2.7.2 ct0805k20 ... k30g, ct0805s20acc2g2, ct0805k25autog, ct0805k25ccg ct0805s14bautog, ct0805k14 ... k17g multilayer varistors (mlvs) automotive series page 46 of 72 please read cautions and warnings and important notes at the end of this document.
derating curves maximum surge current i surge,max = f (t r , pulse train) for explanation of the derating curves refer to "general technical information", chapter 2.7.2 ct1206 ... (auto)g ct1210k25(auto)g, ct1210k30g multilayer varistors (mlvs) automotive series page 47 of 72 please read cautions and warnings and important notes at the end of this document.
derating curves maximum surge current i surge,max = f (t r , pulse train) for explanation of the derating curves refer to "general technical information", chapter 2.7.2 ct1210k14 ... k20g, ct1210s14bautog, ct1210k17autog, cn1210k17autohtg, ct1210k20autog, ct1210k25autog cn1812k14 ... k30g(k2), cn1812s14bauto(e2)g(2)(k2) multilayer varistors (mlvs) automotive series page 48 of 72 please read cautions and warnings and important notes at the end of this document.
derating curves maximum surge current i surge,max = f (t r , pulse train) for explanation of the derating curves refer to "general technical information", chapter 2.7.2 cn2220k14 ... k30g(k2), cn2220 ... auto(e2)g(2)(k2) cn2220s14eautoe2g2k2 multilayer varistors (mlvs) automotive series page 49 of 72 please read cautions and warnings and important notes at the end of this document.
taping and packing 1 taping and packing for smd components 1.1 blister tape (the taping to iec 60286-3) dimensions in mm 8-mm tape 12-mm tape 16-mm tape case size (inch/mm) case size (inch/mm) case size (inch/mm) tolerance 0508/ 1220 0612/ 1632 1012/ 2532 0603/ 1608 0506/ 1216 0805/ 2012 1206/ 3216 1210/ 3225 1812/ 4532 2220/ 5750 3225 4032 a 0 0.9 0.10 1.50 1.60 1.90 2.80 3.50 5.10 7.00 8.60 0.20 b 0 1.75 0.10 1.80 2.40 3.50 3.50 4.80 6.00 8.70 10.60 0.20 k 0 1.0 0.80 1.80 2.60 5.00 max. t 0.30 0.30 0.30 max. t 2 1.3 1.20 2.50 3.50 5.50 max. d 0 1.50 1.50 1.50 +0.10/ 0 d 1 1.00 1.50 1.50 min. p 0 4.00 4.00 4.00 0.10 1) p 2 2.00 2.00 2.00 0.05 p 1 4.00 8.00 12.00 0.10 w 8.00 12.00 16.00 0.30 e 1.75 1.75 1.75 0.10 f 3.50 5.50 7.50 0.05 g 0.75 0.75 0.75 min. 1) 0.2 mm over 10 sprocket holes. multilayer varistors (mlvs) automotive series page 50 of 72 please read cautions and warnings and important notes at the end of this document.
part orientation in tape pocket for blister tape for discrete chip, case sizes 0603, 0805, 1206, 1210, 1812 and 2220 for array, case sizes 0612 for arrays 0506 and 1012 for filter array, case size 0508 additional taping information reel material polystyrol (ps) tape material polystyrol (ps) or polycarbonat (pc) or pvc tape break force min. 10 n top cover tape strength min. 10 n top cover tape peel force 0.2 to 0.6 n for 8-mm tape and 0.2 to 0.8 n for 12-mm tape at a peel speed of 300 mm/min tape peel angle angle between top cover tape and the direction of feed during peel off: 165 to 180 cavity play each part rests in the cavity so that the angle between the part and cavity center line is no more than 20 multilayer varistors (mlvs) automotive series page 51 of 72 please read cautions and warnings and important notes at the end of this document.
1.2 cardboard tape (taping to iec 60286-3) dimensions in mm 8-mm tape case size (inch/mm) case size (inch/mm) tolerance 0201/0603 0402/1005 0405/1012 0603/1608 1003/2508 0508/1220 a 0 0.38 0.05 0.60 1.05 0.95 1.00 1.60 0.20 b 0 0.68 0.05 1.15 1.60 1.80 2.85 2.40 0.20 t 0.35 0.02 0.60 0.75 0.95 1.00 0.95 max. t 2 0.4 min. 0.70 0.90 1.10 1.10 1.12 max. d 0 1.50 0.1 1.50 1.50 +0.10/ 0 p 0 4.00 0.10 2) p 2 2.00 0.05 p 1 2.00 0.05 2.00 4.00 4.00 4.00 4.00 0.10 w 8.00 0.30 e 1.75 0.10 f 3.50 0.05 g 1.35 0.75 min. 2) 0.2 mm over 10 sprocket holes. multilayer varistors (mlvs) automotive series page 52 of 72 please read cautions and warnings and important notes at the end of this document.
part orientation in tape pocket for cardboard tape for discrete chip case sizes 0201, 0402, 0603 and 1003 for array case size 0405 for array case size 0508 for filter array, case size 0405 additional taping information reel material polystyrol (ps) tape material cardboard tape break force min. 10 n top cover tape strength min. 10 n top cover tape peel force 0.1 to 0.65 n at a peel speed of 300 mm/min tape peel angle angle between top cover tape and the direction of feed during peel off: 165 to 180 cavity play each part rests in the cavity so that the angle between the part and cavity center line is no more than 20 multilayer varistors (mlvs) automotive series page 53 of 72 please read cautions and warnings and important notes at the end of this document.
1.3 reel packing dimensions in mm 8-mm tape 12-mm tape 16-mm tape 180-mm reel 330-mm reel 180-mm reel 330-mm reel 330-mm reel a 180 3/+0 330 2.0 180 3/+0 330 2.0 330 2.0 w 1 8.4 +1.5/ 0 8.4 +1.5/ 0 12.4 +1.5/ 0 12.4 +1.5/ 0 16.4 +1.5/ 0 w 2 14.4 max. 14.4 max. 18.4 max. 18.4 max. 22.4 max. leader, trailer multilayer varistors (mlvs) automotive series page 54 of 72 please read cautions and warnings and important notes at the end of this document.
1.4 packing units for discrete chip and array chip case size chip thickness cardboard tape blister tape ? 180-mm reel ? 330-mm reel inch/mm th w w pcs. pcs. 0201/0603 0.33 mm 8 mm 15000 0402/1005 0.6 mm 8 mm 10000 0405/1012 0.7 mm 8 mm 5000 0506/1216 0.5 mm 8 mm 4000 0508/1220 0.9 mm 8 mm 8 mm 4000 0603/1608 0.9 mm 8 mm 8 mm 4000 16000 0612/1632 0.9 mm 8 mm 3000 0805/2012 0.7 mm 8 mm 3000 0.9 mm 8 mm 3000 12000 1.3 mm 8 mm 3000 1003/2508 0.9 mm 8 mm 4000 1012/2532 1.0 mm 8 mm 2000 1206/3216 0.9 mm 8 mm 3000 1.3 mm 8 mm 3000 1.4 mm 8 mm 2000 1.6 mm 8 mm 2000 1210/3225 0.9 mm 8 mm 3000 1.3 mm 8 mm 3000 1.4 mm 8 mm 2000 1.6 mm 8 mm 2000 1812/4532 1.3 mm 12 mm 1500 1.4 mm 12 mm 1000 1.6 mm 12 mm 4000 2.3 mm 12 mm 3000 2220/5750 1.3 mm 12 mm 1500 1.4 mm 12 mm 1000 2.0 mm 12 mm 3000 2.3 mm 12 mm 3000 3225 3.2 mm 16 mm 1000 4.5 mm 16 mm 1000 4032 3.2 mm 16 mm 1000 4.5 mm 16 mm 1000 multilayer varistors (mlvs) automotive series page 55 of 72 please read cautions and warnings and important notes at the end of this document.
2 delivery mode for leaded shcv varistors standard delivery mode for shcv types is bulk. alternative taping modes (ammo pack or taped on reel) are available upon request. packing units for: type pieces sr6 2000 sr1 / sr2 1000 for types not listed in this data book please contact epcos. multilayer varistors (mlvs) automotive series page 56 of 72 please read cautions and warnings and important notes at the end of this document.
soldering directions 1 terminations 1.1 nickel barrier termination the nickel barrier layer of the silver/nickel/tin termination prevents leaching of the silver base met- allization layer. this allows great flexibility in the selection of soldering parameters. the tin pre- vents the nickel layer from oxidizing and thus ensures better wetting by the solder. the nickel bar- rier termination is suitable for all commonly-used soldering methods. multilayer ctvs: structure of nickel barrier termination 1.2 silver-palladium termination silver-palladium terminations are used for the large case sizes 1812 and 2220 and for chips in- tended for conductive adhesion. this metallization improves the resistance of large chips to ther- mal shock. in case of conductive adhesion, the silver-palladium metallization reduces susceptibility to corro- sion. silver-palladium termination can be used for smaller case sizes (only chip) for hybrid appli- cations as well. the silver-palladium termination is not approved for lead-free soldering. multilayer varistor: structure of silver-palladium termination multilayer varistors (mlvs) automotive series page 57 of 72 please read cautions and warnings and important notes at the end of this document.
1.3 silver-platinum termination silver-platinum terminations are mainly used for the large case sizes 1812 and 2220. the silver- platinum termination is approved for reflow soldering, snpb soldering and lead-free soldering with a silver containing solder paste. in case of snpb soldering, a solder paste sn62pb36ag2 is rec- ommended. for lead-free reflow soldering, a solder paste sac, e.g. sn95.5ag3.8cu0.7, is rec- ommended. multilayer varistor: structure of silver-platinum termination 2 recommended soldering temperature profiles 2.1 reflow soldering temperature profile recommended temperature characteristic for reflow soldering following jedec j-std-020d multilayer varistors (mlvs) automotive series page 58 of 72 please read cautions and warnings and important notes at the end of this document.
profile feature sn-pb eutectic assembly pb-free assembly preheat and soak - temperature min t smin 100 c 150 c - temperature max t smax 150 c 200 c - time t smin to t smax 60 ... 120 s 60 ... 180 s average ramp-up rate t smax to t p 3 c/ s max. 3 c/ s max. liquidous temperature t l 183 c 217 c time at liquidous t l 60 ... 150 s 60 ... 150 s peak package body temperature t p 1) 220 c ... 235 c 2) 245 c ... 260 c 2) time (t p ) 3) within 5 c of specified classification temperature (t c ) 20 s 3) 30 s 3) average ramp-down rate t p to t smax 6 c/ s max. 6 c/ s max. time 25 c to peak temperature maximum 6 min maximum 8 min 1) tolerance for peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. 2) depending on package thickness. for details please refer to jedec j-std-020d. 3) tolerance for time at peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. note: all temperatures refer to topside of the package, measured on the package body surface. number of reflow cycles: 3 2.2 wave soldering temperature profile temperature characteristics at component terminal with dual-wave soldering multilayer varistors (mlvs) automotive series page 59 of 72 please read cautions and warnings and important notes at the end of this document.
2.3 lead-free soldering processes epcos multilayer ctvs with agnisn termination are designed for the requirements of lead-free soldering processes only. soldering temperature profiles to jedec j-std-020d, iec 60068-2-58 and zvei recommenda- tions. 3 recommended soldering methods - type-specific releases by epcos 3.1 overview reflow soldering wave soldering type case size snpb lead-free snpb lead-free ct... / cd... 0201/ 0402 approved approved no no ct... / cd... 0603 ... 2220 approved approved approved approved cn... 0603 ... 2220 approved no approved no cn...k2 1812, 2220 approved approved no no arrays 0405 ... 1012 approved approved no no esd/emi filters 0405, 0508 approved approved no no cu 3225, 4032 approved approved approved approved shcv - no no approved approved 3.2 nickel barrier and agpt terminated multilayer ctvs all epcos mlvs with nickel barrier and agpt termination are suitable and fully qualiyfied for lead- free soldering. the nickel barrier layer is 100% matte tin-plated. 3.3 silver-palladium terminated mlvs agpd-terminated mlvs are mainly designed for conductive adhesion technology on hybrid materi- al. additionally mlvs with agpd termination are suitable for reflow and wave soldering with snpb solder. note: lead-free soldering is not approved for mlvs with agpd termination. 3.4 silver-platinum terminated mlvs the silver-platinum termination is approved for reflow soldering, snpb soldering and lead-free with a silver containing solder paste. in case of snpb soldering, a solder paste sn62pb36ag2 is recommended. for lead-free reflow soldering, a solder paste sac, e.g. sn95.5ag3.8cu0.7, is recommended. multilayer varistors (mlvs) automotive series page 60 of 72 please read cautions and warnings and important notes at the end of this document.
3.5 tinned copper alloy all epcos cu types with tinned termination are approved for lead-free and snpb soldering. 3.6 tinned iron wire all epcos shcv types with tinned termination are approved for lead-free and snpb soldering. 4 solder joint profiles / solder quantity 4.1 nickel barrier termination if the meniscus height is too low, that means the solder quantity is too low, the solder joint may break, i.e. the component becomes detached from the joint. this problem is sometimes interpret- ed as leaching of the external terminations. if the solder meniscus is too high, i.e. the solder quantity is too large, the vise effect may occur. as the solder cools down, the solder contracts in the direction of the component. if there is too much solder on the component, it has no leeway to evade the stress and may break, as in a vise. the figures below show good and poor solder joints for dual-wave and infrared soldering. 4.1.1 solder joint profiles for nickel barrier termination - dual-wave soldering good and poor solder joints caused by amount of solder in dual-wave soldering. 4.1.2 solder joint profiles for nickel barrier termination / silver-palladium / silver-platinum termination - reflow soldering multilayer varistors (mlvs) automotive series page 61 of 72 please read cautions and warnings and important notes at the end of this document.
good and poor solder joints caused by amount of solder in reflow soldering. 5 conductive adhesion attaching surface-mounted devices (smds) with electrically conductive adhesives is a commer- cially attractive method of component connection to supplement or even replace conventional sol- dering methods. electrically conductive adhesives consist of a non-conductive plastic (epoxy resin, polyimide or silicon) in which electrically conductive metal particles (gold, silver, palladium, nickel, etc) are em- bedded. electrical conduction is effected by contact between the metal particles. adhesion is particularly suitable for meeting the demands of hybrid technology. the adhesives can be deposited ready for production requirements by screen printing, stamping or by dis- pensers. as shown in the following table, conductive adhesion involves two work operations fewer than soldering. reflow soldering wave soldering conductive adhesion screen-print solder paste apply glue dot screen-print conductive adhesive mount smd mount smd mount smd predry solder paste cure glue cure adhesive reflow soldering wave soldering inspect wash wash inspect inspect multilayer varistors (mlvs) automotive series page 62 of 72 please read cautions and warnings and important notes at the end of this document.
a further advantage of adhesion is that the components are subjected to virtually no temperature shock at all. the curing temperatures of the adhesives are between 120 c and 180 c, typical curing times are between 30 minutes and one hour. the bending strength of glued chips is, in comparison with that of soldered chips, higher by a fac- tor of at least 2, as is to be expected due to the elasticity of the glued joints. the lower conductivity of conductive adhesive may lead to higher contact resistance and thus re- sult in electrical data different to those of soldered components. users must pay special attention to this in rf applications. 6 solderability tests test standard test conditions sn-pb soldering test conditions pb-free soldering criteria/ test results wettability iec 60068-2-58 immersion in 60/40 snpb solder using non-activated flux at 215 3 c for 3 0.3 s immersion in sn96.5ag3.0cu0.5 solder using non- or low activated flux at 245 5 c for 3 0.3 s covering of 95% of end termination, checked by visual inspection leaching resistance iec 60068-2-58 immersion in 60/40 snpb solder using mildly activated flux without preheating at 260 5 c for 10 1 s immersion in sn96.5ag3.0cu0.5 solder using non- or low activated flux without preheating at 255 5 c for 10 1 s no leaching of contacts thermal shock (solder shock) dip soldering at 300 c/5 s dip soldering at 300 c/5 s no deterioration of electrical parameters. capacitance change: 15% tests of resistance to soldering heat for smds iec 60068-2-58 immersion in 60/40 snpb for 10 s at 260 c immersion in sn96.5ag3.0cu0.5 for 10 s at 260 c change of varistor voltage: 5% tests of resistance to soldering heat for radial leaded components (shcv) iec 60068-2-20 immersion of leads in 60/40 snpb for 10 s at 260 c immersion of leads in sn96.5ag3.0cu0.5 for 10 s at 260 c change of varistor voltage: 5% change of capacitance x7r: 5/+10% multilayer varistors (mlvs) automotive series page 63 of 72 please read cautions and warnings and important notes at the end of this document.
note: leaching of the termination effective area at the termination might be lost if the soldering temperature and/or immersion time are not kept within the recommended conditions. leaching of the outer electrode should not ex- ceed 25% of the chip end area (full length of the edge a-b-c-d) and 25% of the length a-b, shown below as mounted on substrate. as a single chip as mounted on substrate 7 notes for proper soldering 7.1 preheating and cooling according to jedec j-std-020d. please refer to chapter 2. 7.2 repair / rework manual soldering with a soldering iron must be avoided, hot-air methods are recommended for rework purposes. 7.3 cleaning all environmentally compatible agents are suitable for cleaning. select the appropriate cleaning solution according to the type of flux used. the temperature difference between the components and cleaning liquid must not be greater than 100 c. ultrasonic cleaning should be carried out with the utmost caution. too high ultrasonic power can impair the adhesive strength of the metal- lized surfaces. 7.4 solder paste printing (reflow soldering) an excessive application of solder paste results in too high a solder fillet, thus making the chip more susceptible to mechanical and thermal stress. too little solder paste reduces the adhesive strength on the outer electrodes and thus weakens the bonding to the pcb. the solder should be applied smoothly to the end surface. multilayer varistors (mlvs) automotive series page 64 of 72 please read cautions and warnings and important notes at the end of this document.
7.5 adhesive application thin or insufficient adhesive causes chips to loosen or become disconnected during curing. low viscosity of the adhesive causes chips to slip after mounting. it is advised to consult the manufacturer of the adhesive on proper usage and amounts of adhesive to use. 7.6 selection of flux used flux should have less than or equal to 0.1 wt % of halogenated content, since flux residue after soldering could lead to corrosion of the termination and/or increased leakage current on the surface of the component. strong acidic flux must not be used. the amount of flux applied should be carefully controlled, since an excess may generate flux gas, which in turn is detrimental to sol- derability. 7.7 storage of ctvss solderability is guaranteed for one year from date of delivery for multilayer varistors, ceradiodes and esd/emi filters (half a year for chips with agpd and agpt terminations) and two years for shcv and cu components, provided that components are stored in their original packages. storage temperature: 25 c to +45 c relative humidity: 75% annual average, 95% on 30 days a year the solderability of the external electrodes may deteriorate if smds and leaded components are stored where they are exposed to high humidity, dust or harmful gas (hydrogen chloride, sulfurous acid gas or hydrogen sulfide). do not store smds and leaded components where they are exposed to heat or direct sunlight. otherwise the packing material may be deformed or smds/ leaded components may stick togeth- er, causing problems during mounting. after opening the factory seals, such as polyvinyl-sealed packages, it is recommended to use the smds or leaded components as soon as possible. 7.8 placement of components on circuit board especially in the case of dual-wave soldering, it is of advantage to place the components on the board before soldering in that way that their two terminals do not enter the solder bath at different times. ideally, both terminals should be wetted simultaneously. 7.9 soldering cautions an excessively long soldering time or high soldering temperature results in leaching of the outer electrodes, causing poor adhesion and a change of electrical properties of the varistor due to the loss of contact between electrodes and termination. wave soldering must not be applied for mlvs designated for reflow soldering only. keep the recommended down-cooling rate. multilayer varistors (mlvs) automotive series page 65 of 72 please read cautions and warnings and important notes at the end of this document.
7.10 standards cecc 00802 iec 60068-2-58 iec 60068-2-20 jedec j-std-020d multilayer varistors (mlvs) automotive series page 66 of 72 please read cautions and warnings and important notes at the end of this document.
symbols and terms symbol term c line,typ typical capacitance per line c max maximum capacitance c min minimum capacitance c nom nominal capacitance d c nom tolerance of nominal capacitance c typ typical capacitance f cut-off,min minimum cut-off frequency i current i clamp clamping current i leak leakage current i leak,typ typical leakage current i pp peak pulse current i surge,max maximum surge current (also termed peak current) lct lower category temperature l typ typical inductance p diss,max maximum power dissipation p pp peak pulse power r ins insulation resistance r min minimum resistance r s resistance per line t a ambient temperature t op operating temperature t stg storage temperature t r duration of equivalent rectangular wave t resp response time uct upper category temperature v voltage v br,min minimum breakdown voltage v clamp,max maximum clamping voltage v dc,max maximum dc operating voltage (also termed working voltage) v esd,air air discharge esd capability v esd,contact contact discharge esd capability v jump maximum jump start voltage multilayer varistors (mlvs) automotive series page 67 of 72 please read cautions and warnings and important notes at the end of this document.
v rms,max maximum ac operating voltage, root-mean-square value v v varistor voltage (also termed breakdown voltage) v v,min minimum varistor voltage v v,max maximum varistor voltage d v v tolerance of varistor voltage w ld maximum load dump w max maximum energy absorption (also termed transient energy) a typ typical insertion loss lead spacing * maximum possible application conditions all dimensions are given in mm. the commas used in numerical values denote decimal points. multilayer varistors (mlvs) automotive series page 68 of 72 please read cautions and warnings and important notes at the end of this document.
cautions and warnings general some parts of this publication contain statements about the suitability of our ceramic transient voltage suppressor (ctvs) components (multilayer varistors (mlvs), ceradiodes, esd/emi filters, smd disk varistors (cu types), leaded transient voltage/ rfi suppressors (shcv types)) for certain areas of application, including recommendations about incorporation/design-in of these products into customer applications. the statements are based on our knowledge of typical requirements often made of our ctvs devices in the particular areas. we nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our ctvs components for a particular customer application. as a rule, epcos is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. for these reasons, it is always incumbent on the customer to check and decide whether the ctvs devices with the properties described in the product specification are suitable for use in a particular customer application. do not use epcos ctvs components for purposes not identified in our specifications, application notes and data books. ensure the suitability of a ctvs in particular by testing it for reliability during design-in. always evaluate a ctvs component under worst-case conditions. pay special attention to the reliability of ctvs devices intended for use in safety-critical applications (e.g. medical equipment, automotive, spacecraft, nuclear power plant). design notes always connect a ctvs in parallel with the electronic circuit to be protected. consider maximum rated power dissipation if a ctvs has insufficient time to cool down between a number of pulses occurring within a specified isolated time period. ensure that electrical characteristics do not degrade. consider derating at higher operating temperatures. choose the highest voltage class compatible with derating at higher temperatures. surge currents beyond specified values will puncture a ctvs. in extreme cases a ctvs will burst. if steep surge current edges are to be expected, make sure your design is as low-inductance as possible. in some cases the malfunctioning of passive electronic components or failure before the end of their service life cannot be completely ruled out in the current state of the art, even if they are operated as specified. in applications requiring a very high level of operational safety and especially when the malfunction or failure of a passive electronic component could endanger human life or health (e.g. in accident prevention, life-saving systems, or automotive battery line applications such as clamp 30), ensure by suitable design of the application or other measures (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of such a malfunction or failure. only use ctvs components from the automotive series in safety-relevant applications. multilayer varistors (mlvs) automotive series page 69 of 72 please read cautions and warnings and important notes at the end of this document.
specified values only apply to ctvs components that have not been subject to prior electrical, mechanical or thermal damage. the use of ctvs devices in line-to-ground applications is therefore not advisable, and it is only allowed together with safety countermeasures like thermal fuses. storage only store ctvs in their original packaging. do not open the package before storage. storage conditions in original packaging: temperature 25 to +45 c, relative humidity 75% annual average, maximum 95%, dew precipitation is inadmissible. do not store ctvs devices where they are exposed to heat or direct sunlight. otherwise the packaging material may be deformed or ctvs may stick together, causing problems during mounting. avoid contamination of the ctvs surface during storage, handling and processing. avoid storing ctvs devices in harmful environments where they are exposed to corrosive gases for example (so x , cl). use ctvs as soon as possible after opening factory seals such as polyvinyl-sealed packages. solder ctvs components after shipment from epcos within the time specified: ctvs with ni barrier termination, 12 months ctvs with agpd and agpt termination, 6 months shcv and cu series, 24 months handling do not drop ctvs components and allow them to be chipped. do not touch ctvs with your bare hands - gloves are recommended. avoid contamination of the ctvs surface during handling. mounting when ctvs devices are encapsulated with sealing material or overmolded with plastic material, electrical characteristics might be degraded and the life time reduced. make sure an electrode is not scratched before, during or after the mounting process. make sure contacts and housings used for assembly with ctvs components are clean before mounting. the surface temperature of an operating ctvs can be higher. ensure that adjacent components are placed at a sufficient distance from a ctvs to allow proper cooling. avoid contamination of the ctvs surface during processing. multilayer varistors (mlvs) with agpd termination are not approved for lead-free soldering. soldering complete removal of flux is recommended to avoid surface contamination that can result in an instable and/or high leakage current. use resin-type or non-activated flux. bear in mind that insufficient preheating may cause ceramic cracks. rapid cooling by dipping in solvent is not recommended, otherwise a component may crack. multilayer varistors (mlvs) automotive series page 70 of 72 please read cautions and warnings and important notes at the end of this document.
conductive adhesive gluing only multilayer varistors (mlvs) with an agpd termination are approved for conductive adhesive gluing. operation use ctvs only within the specified operating temperature range. use ctvs only within specified voltage and current ranges. environmental conditions must not harm a ctvs. only use them in normal atmospheric conditions. reducing the atmosphere (e.g. hydrogen or nitrogen atmosphere) is prohibited. prevent a ctvs from contacting liquids and solvents. make sure that no water enters a ctvs (e.g. through plug terminals). avoid dewing and condensation. epcos ctvs components are mainly designed for encased applications. under all circumstances avoid exposure to: direct sunlight rain or condensation steam, saline spray corrosive gases atmosphere with reduced oxygen content epcos ctvs devices are not suitable for switching applications or voltage stabilization where static power dissipation is required. multilayer varistors (mlvs) are designed for esd protection and transient suppression. ceradiodes are designed for esd protection only, esd/emi filters are designed for esd and emi protection only. this listing does not claim to be complete, but merely reflects the experience of epcos ag. multilayer varistors (mlvs) automotive series page 71 of 72 please read cautions and warnings and important notes at the end of this document.
the following applies to all products named in this publication: 1. some parts of this publication contain statements about the suitability of our products for certain areas of application . these statements are based on our knowledge of typical re- quirements that are often placed on our products in the areas of application concerned. we nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application . as a rule, epcos is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. for these reasons, it is always ultimately incum- bent on the customer to check and decide whether an epcos product with the properties de- scribed in the product specification is suitable for use in a particular customer application. 2. we also point out that in individual cases, a malfunction of electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as specified . in customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of an electronic component could endanger human life or health (e.g. in accident prevention or lifesaving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of an electronic component. 3. the warnings, cautions and product-specific notes must be observed. 4. in order to satisfy certain technical requirements, some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions (e.g. because they are classed as hazardous) . useful information on this will be found in our ma- terial data sheets on the internet (www.epcos.com/material). should you have any more de- tailed questions, please contact our sales offices. 5. we constantly strive to improve our products. consequently, the products described in this publication may change from time to time . the same is true of the corresponding product specifications. please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. we also reserve the right to discontinue production and delivery of products . consequently, we cannot guarantee that all products named in this publication will always be available. the aforementioned does not apply in the case of individual agreements deviating from the fore- going for customer-specific products. 6. unless otherwise agreed in individual contracts, all orders are subject to the current ver- sion of the "general terms of delivery for products and services in the electrical in- dustry" published by the german electrical and electronics industry association (zvei) . 7. the trade names epcos, baoke, alu-x, ceradiode, csmp, cssp, ctvs, deltacap, digisimic, dssp, formfit, miniblue, minicell, mkk, mkd, mlsc, motorcap, pcc, phasecap, phasecube, phasemod, phicap, siferrit, sifi, sikorel, silvercap, simdad, simic, simid, sineformer, siov, sip5d, sip5k, thermofuse, windcap are trade- marks registered or pending in europe and in other countries. further information will be found on the internet at www.epcos.com/trademarks. important notes page 72 of 72

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