july 2011 doc id 022064 rev 1 1/10 10 smc30j 3000 w transil? features peak pulse power: ? 3000 w (10/1000 s) stand off voltage range: from 5 v to 33 v unidirectional and bidirectional types low leakage current: 0.2 a operating t jmax : 150 c high power capability at t jmax : ? 2200 w (10/1000 s) jedec registered package outline complies with the following standards iec 61000-4-2 level 4 ? 15 kv (air discharge) ? 8 kv (contact discharge) mil std 883g, method 3015-7 class 3b ? 25 kv hbm (human body model) resin meets ul 94, v0 mil-std-750, method 2026 solderability eia std rs-481 and iec 60286-3 packing ipc 7531 footprint description the smc30j transil series has been designed to protect sensitive equipment against surges below 3000 w (10/1000 s) and against electro-static discharges according to iec 61000-4-2, and mil std 883, method 3015. the planar technology makes it compatible with high-end equipment and smps where low leakage current and high junction temperature are required to provide relia bility and stability over time. smc30j are packaged in smc (smc footprint in accordance with ipc 7531 standard). tm : transil is a trademark of stmicroelectroniocs k a unidirectional bidirectional smc (jedec do-214ab) www.st.com
characteristics smc30j 2/10 doc id 022064 rev 1 1 characteristics figure 1. electrical characteristics - definitions figure 2. pulse definition for electrical characteristics table 1. absolute maximum ratings (t amb = 25 c) symbol parameter value unit p pp peak pulse power dissipation (1) t j initial = t amb 3000 w t stg storage temperature range -65 to +150 c t j operating junction temperature range -55 to +150 c t l maximum lead temperature for soldering during 10 s. 260 c 1. for a surge greater than the maximum val ues, the diode will fail in short-circuit. table 2. thermal resistances symbol parameter value unit r th(j-l) junction to leads 15 c/w r th(j-a) junction to ambient on printed circuit on recommended pad layout 90 c/w v cl v br v rm i rm i r i pp v i i rm i r i pp v rm v br v cl v cl v br v rm i rm i r i pp v i i rm i r i pp v rm v br v cl v cl v br v rm i rm i r i pp v i i f v f v cl v br v rm i rm i r i pp v i i f v f unidirectional bidirectional symbol parameter v stand-off voltage v breakdown voltage v clamping voltage i leakage current @ v i peak pulse current t voltage temperature coefficient v forward voltage drop r dynamic resistance rm br cl rm rm pp f d repetitive pulse current t r = rise time (s) t p = pulse duration time (s) t r t p
smc30j characteristics doc id 022064 rev 1 3/10 table 3. electrical characteristics - parameter values (t amb = 25 c) order code i rm max@v rm v br @i r (1) 1. pulse test : t p < 50 ms v cl @i pp 10/1000 s r d (2) 10/1000 s 2. to calculate maximum clamping voltage at othe r surge level,use the following formula: v clmax = v cl - r d x (i pp - i ppappli ) where i ppappli is the surge current in the application t (3) 3. to calculate v br or v cl versus junction temperature, use the following formulas: v br @ t j = v br @ 25c x (1 + t x (t j ? 25)) v cl @ t j = v cl @ 25c x (1 + t x (t j ? 25)) min typ max max a v v ma v a (4) 4. surge capability given for both directions for unidirectional and bidirectional types. 10-4/ c smc30j5.0a/ca 500 5 6.4 6.74 10 9.2 327 0.008 5.7 smc30j6.0a/ca 500 6 6.7 7.05 10 10.3 291 0.011 5.9 smc30j6.5a/ca 250 6.5 7.2 7.58 10 11.2 268 0.014 6.1 smc30j8.5a/ca 10 8.5 9.4 9.9 1 14.4 208 0.022 7.3 smc30j10a/ca 0.2 10 11.1 11.7 1 17 176 0.030 7.8 smc30j12a/ca 0.2 12 13.3 14 1 19.9 151 0.039 8.3 SMC30J13A/ca 0.2 13 14.4 15.2 1 21.5 140 0.045 8.4 smc30j15a/ca 0.2 15 16.7 17.6 1 24.4 123 0.055 8.8 smc30j16a/ca 0.2 16 17.8 18.7 1 26 115 0.063 8.8 smc30j18a/ca 0.2 18 20 21.1 1 29.2 103 0.079 9.2 smc30j20a/ca 0.2 20 22.2 23.4 1 32.4 93 0.097 9.4 smc30j22a/ca 0.2 22 24.4 25.7 1 35.5 85 0.115 9.6 smc30j24a/ca 0.2 24 26.7 28.1 1 38.9 77 0.140 9.6 smc30j26a/ca 0.2 26 28.9 30.4 1 42.1 71 0.165 9.7 smc30j28a/ca 0.2 28 31.1 32.7 1 45.4 66 0.192 9.8 smc30j30a/ca 0.2 30 33.3 35.1 1 48.4 62 0.215 9.9 smc30j33a/ca 0.2 33 36.7 38.6 1 53.3 56 0.261 10.0
characteristics smc30j 4/10 doc id 022064 rev 1 figure 3. peak pulse power dissipation versus initial junction temperature (typical value) figure 4. peak pulse power versus exponential pulse duration (t j initial = 25 c) p (w) pp 0 500 1000 1500 2000 2500 3000 3500 0 25 50 75 100 125 150 175 10/1000 s t (c) j p (kw) pp 0.1 1.0 10.0 100.0 1000.0 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 t( ) p ms t initial = 25 c j figure 5. clamping voltage versus peak pulse current (exponential waveform, maximum values) figure 6. junction capacitance versus reverse applied voltage for unidirectional types (typical values) figure 7. junction capacitance versus reverse applied voltage for bidirectional types (typical values) figure 8. peak forward voltage drop versus peak forward current (typical values) i (a) pp 0.1 1.0 10.0 100.0 1000.0 1 10 100 t initial = 25 c 10/1000 s j v (v) cl smc30j5.0a/ca smc30j15a/ca smc30j33a/ca c(nf) 0.1 1.0 10.0 100.0 1 10 100 smc30j5.0a smc30j15a smc30j33a v (v) r f = 1 mhz v = 30 mv t = 25 c osc rms j c(nf) 0.1 1.0 10.0 100.0 1 10 100 smc30j5.0ca smc30j15ca smc30j33ca f = 1 mhz v = 30 mv t = 25 c osc rms j v (v) r i (a) fm 0.1 1.0 10.0 100.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 v (v) fm t = 25 c j t = 150 c j
smc30j characteristics doc id 022064 rev 1 5/10 figure 11. leakage current versus junction temperature (typical values) figure 9. relative variation of thermal impedance, junction to ambient, versus pulse duration figure 10. thermal resistance junction to ambient versus copper surface under each lead 0.01 0.10 1.00 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 t (s) p recommended pad layout single pulse z/r th(j-a) th(j-a) epoxy printed board, fr4 copper thickness = 35 m 0 10 20 30 40 50 60 70 80 90 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 r (c/w) th(j-a) s (cm ) cu 2 epoxy printed board, fr4 copper thickness = 35 m 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 1.e+05 25 50 75 100 125 150 i (na) r v=v rrm v < 10 v rm v10v rm t (c) j
ordering information scheme smc30j 6/10 doc id 022064 rev 1 2 ordering information scheme figure 12. ordering information scheme sm c 30j xx - ca surface mount package c = smc package peak pulse power 30j = 3000 w stand off voltage example: 28 = 28 v type a = unidirectinal ca = bidirectional
smc30j package information doc id 022064 rev 1 7/10 3 package information case: jedec do-214ab molded plastic over planar junction terminals: solder plated, solderable per mil-std-750, method 2026 polarity: for unidirectional types the band indicates cathode flammability: epoxy is rated ul94v-0 rohs package in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. table 4. smc dimensions ref. dimensions millimeters inches min. max. min. max. a1 1.90 2.45 0.075 0.096 a2 0.05 0.20 0.002 0.008 b 2.90 3.2 0.114 0.126 c 0.15 0.41 0.006 0.016 e 7.75 8.15 0.305 0.321 e1 6.60 7.15 0.260 0.281 e2 4.40 4.70 0.173 0.185 d 5.55 6.25 0.218 0.246 l 0.75 1.60 0.030 0.063 figure 13. footprint dimensions mm (inches) figure 14. marking layout (1) 1. marking layout can vary according to assembly location. e c l e2 e1 d a1 a2 b 8.19 1.54 5.11 1.54 (0.061) (0.201) (0.322) (0.124) (0.061) 3.14 y w w z x x x e : ecopack ( leadfree ) mention xxx : marking z : manufacturing location y : year ww : week cathode bar ( unidirectional devices only )
package information smc30j 8/10 doc id 022064 rev 1 table 5. marking order code marking order code marking smc30j5.0a 3aaa smc30j5.0ca 3baa smc30j6.0a 3aab smc30j6.0ca 3bab smc30j6.5a 3aac smc30j6.5ca 3bac smc30j8.5a 3aad smc30j8.5ca 3bad smc30j10a 3aae smc30j10ca 3bae smc30j12a 3aaf smc30j12ca 3baf SMC30J13A 3aag smc30j13ca 3bag smc30j15a 3aah smc30j15ca 3bah smc30j16a 3aai smc30j16ca 3bai smc30j18a 3aaj smc30j18ca 3baj smc30j20a 3aak smc30j20ca 3bak smc30j22a 3aal smc30j22ca 3bal smc30j24a 3aae smc30j24ca 3bae smc30j26a 3aam smc30j26ca 3bam smc30j28a 3aan smc30j28ca 3ban smc30j30a 3aao smc30j30ca 3bao smc30j33a 3aap smc30j33ca 3bap
smc30j ordering information doc id 022064 rev 1 9/10 4 ordering information table 6. ordering information 5 revision history 02-jul order code marking package weight base qty delivery mode smc30jxxxa/ca (1) 1. where xxx is nominal value of v br and a or ca indicates unidirectional or bidirectional version. see table 3 for list of available devices and their order codes see table 5 on page 8 smc 0.25 g 2500 tape and reel table 7. document revision history date revision changes 28-jul-2011 1 initial release.
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