surface mount multilayer varistor revision november 28, 2013 1 / 5 @socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc0402ml - sc0603ml series socay electronics co., ltd. www.socay.com the sc series is based on multilayer fabrication technology. these components are designed to suppress a variety of transient events, including those speci ? ed in iec 61000-4-2 or other standards used for electromagnetic compliance (emc). the sc series is typically applied to protect integrated circuits and other components at the circuit board level. it can operate over a wider temperature range than zener diodes. u smd type zinc oxide based ceramic chip u lead free plating termination provided good solderability characteristic u insulator overcoat keeps excellent low and stable leakage current u quick response time (<1ns) u low clamping voltage u high transient current capability u meet iec 61000-4-2 standard u compact size for eia 0402, 0603 u application for mother board, notebook, cellular phone, pda, handheld device, dsc, dv, scanner, and set- top box etc. u suitable for push-button, power line and low frequency single line over-voltage protect. (1) socay logo (2) chip size (eia): 0402 / 0603 (3) series type: ml- multilayer varistor (4) varistor voltage: value - 080= 08x10 0 =8v, 120=12x10 0 =12v (5) varistor voltage tolerance: n - 30%, m - 20%, l - 15%, k - 10% applicable explanation of part number equivalent circuits description features s c 0 4 0 2 ml 080 m (1) (2) (3) (4) (5)
surface mount multilayer varistor revision november 28, 2013 2 / 5 @socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc0402ml - sc0603ml series socay electronics co., ltd. www.socay.com sc0402ml series working voltage varistor voltage clamping voltage capacitance peak current transient energy symbol v rms v dc v v v v v c c p i max w max units volts (max.) volts (max.) volts % volts (max.) pf (typical) amps (max.) joules (max.) sc0402ml080m 4 5.5 8 20 19 270 20 0.05 sc0402ml120m 7 9 12.5 20 32 130 20 0.05 sc0402ml150l 8 11 15 15 33 120 20 0.05 sc0402ml180k 11 14 18 10 38 90 20 0.05 sc0402ml220k 14 18 22 10 45 85 20 0.05 sc0603ml series working voltage varistor voltage clamping voltage capacitance peak current transient energy symbol v rms v dc v v v v v c c p i max w max units volts (max.) volts (max.) volts % volts (max.) pf (typical) amps (max.) joules (max.) sc0603ml080m 4 5.5 8 20 19 270 30 0.1 sc0603ml120m 7 9 12.5 20 27 210 30 0.1 sc0603ml150l 8 11 15 15 33 200 30 0.1 sc0603ml180k 11 14 18 10 35 150 30 0.1 sc0603ml220k 14 18 22 10 40 130 30 0.1 SC0603ML310K 20 26 31 10 58 100 30 0.1 v rms C maximum ac operating voltage the varistor can maintain and not exceed 10 a leakage current v dc C maximum dc operating voltage the varistor can maintain and not exceed 10 a leakage current v v C voltage across the device measure at 1ma dc current. equivalent to v b breakdown voltage v c C maximum peak current across the varistor with 8/20 s waveform and 1a pulse current. c p C device capacitance measured with zero volt bias 1vrms at 1mhz. i max C maximum peak current which may be applied with 8/20 s waveform without device failure. w max C maximum energy which may be dissipated with the 10/1000 s waveform without device failure. electrical characteristics (25 5 o c ) (25 5 o c )
surface mount multilayer varistor revision november 28, 2013 3 / 5 @socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc0402ml - sc0603ml series socay electronics co., ltd. www.socay.com size eia (eiaj) 0402 (1005) 0603 (1608) symbol inches millimeters inches millimeters l 0.038 0.005 0.96 0.12 0.063 0.006 1.60 0.15 w 0.019 0.003 0.48 0.0.07 0.031 0.004 0.80 0.10 t 0.020 0.004 0.50 0.10 0.031 0.008 0.80 0.20 c 0.010 0.006 0.25 0.15 0.012 0.008 0.30 0.20 solder cream in reflow soldering refer to the recommendable land pattern as printing mask pattern for solder cream. (1) print solder in a thickness of 150 to 200 m size eia (eiaj) 0402 (1005) 0603 (1608) symbol inches millimeters inches millimeters a 0.024 0.61 0.040 1.02 b 0.020 0.51 0.030 0.76 d 0.020 0.51 0.020 0.50 e 0.067 1.70 0.100 2.54 precaution for handling of substrate do not exceed to bend the board after soldering thes product extremely. (reference examples) l mounting place must be as far as possible from the position, which is close to the break line of board or on the line of large holes of board. l do not bend extremely the board, in mounting another component. if necessary, use back-up pin (support pin) to prevent from bending extremely. l do not break the board by hand. we recommend to use the machine or the jig to break it. construction & dimensions l t c c w pad layouts & precaution for handling of substrate
surface mount multilayer varistor revision november 28, 2013 4 / 5 @socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc0402ml - sc0603ml series socay electronics co., ltd. www.socay.com reflow condition pb-free assembly -temperature min (t s(min) ) +150 c -temperature max (t s(max) ) +200 c pre heat -time (min to max) (t s ) 60 -180 seconds average ramp up rate ( liquidus temp t l ) to peak 3 c/second max t s(max) to t l - ramp-up rate 3 c/second max - temperature (t l ) (liquidus) +217 c reflow - time (min to max) (t l ) 60 -150 seconds peak temperature (t p ) 260 +0/-5 c time within 5 c of actual peak temperature (t p ) 20-40 seconds ramp-down rate 6 c/second max time 25 c to peak temperature (t p ) 8 minutes max note that this product will be easily damaged by rapid heating, rapid cooling or local heating. do not give heat shock over 100 c in the process of soldering. we recommend to take preheating and gradual cooling soldering gun procedure note the follows, in case of using solder gun for replacement. 1) the tip temperature must be less than 280 for the period within 3 seconds by using soldering gun under 30w 2) the soldering gun tip shall not touch this product directly. soldering volume note that excess of soldering volume will easily get crack the body of this product. operating temperature -40 ~ +85 o c storage temperature -40 ~ +85 o c response time <1 ns solderability 245 5 o c, 3 1sec solder leach resistance 260 5 o c, 10 1sec storage temperature 5 ~ 40 o c relative humidity to 65% taping package storage condition storage time 12 months max item specifications test condition bias humidity v v / v v 10 % 90%rh, 40 o c, working voltage, 1000 hrs thermal shock v v / v v 10 % -40 o c to 85 o c, 30 min. cycle, 5 cycles full load voltage v v / v v 10 % working voltage, 85 o c,1000 hrs soldering parameter s ramp-down preheat critical zone t l to t p time to peak temperature (t 25 to peak) t p t l t s(max) t s(min) 25 temperature ramp-up time general technical data precaution for soldering prec aution for soldering environmental performance
surface mount multilayer varistor revision november 28, 2013 5 / 5 @socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc0402ml - sc0603ml series socay electronics co., ltd. www.socay.com carrier tape dimensions size eia (eiaj) 0402 (1005) 0603 (1608) symbol inches millimeters inches millimeters a 0.315 0.012 8.00 0.30 0.315 0.012 8.00 0.30 b 0.138 0.002 3.50 0.05 0.138 0.002 3.50 0.05 c 0.069 0.002 1.75 0.05 0.069 0.002 1.75 0.10 d0 0.061 0.002 1.55 0.05 0.061 0.002 1.55 0.05 p0 0.157 0.004 4.00 0.10 0.157 0.004 4.00 0.10 p1 0.079 0.002 2.00 0.05 0.079 0.002 4.00 0.10 p2 0.079 0.002 2.00 0.05 0.079 0.002 2.00 0.05 w 0.023 0.001 0.59 0.03 0.041 0.006 1.05 0.15 l 0.044 0.001 1.12 0.03 0.075 0.006 1.90 0.15 t 0.024 0.001 0.60 0.03 0.037 0.002 0.95 0.05 taping reel dimensions unit: mm taping specifications there shall be the portion having no product in both the head and the end of taping, and there shall be the cover tape in the heat of taping. quantity of products in the taping package size eia (eiaj) 0402 (1005) 0603 (1608) standard packing quantity (pcs / reel) 10,000 4,000 the contents of a box : 0402 series: 6 reels / inner box 0603 series: 6 reels / inner box pack aging information
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