transient voltage suppressors for esd protection general description the sesd1z series is designed to protect voltage sensitive components from esd and transient voltage events. excellent clamping capability, low leakage, and fast response time, make these parts ideal for esd protection on designs where board space is at a premium. applications z cellular phone handsets and accessories z microprocessor based equipment z personal digital assistants(pda?s) z notebooks, desktops, and servers z portable instrumentation z pagers perip herals features z small body outline dimensions z 600 watts peak pulse power (tp = 8/20 s) z t ransient protection for data lines to z small package for use in portable elect r onics z suitable replacement for mlv?s in esd protection ap plicatio ns z protects one i/o or power li ne z low clampi ng voltage z low leakage current z solid-state silicon-avala n che technology complies with the following standards iec61000-4-2 level 4 15 kv (air discharge) 8 kv(contact discharge) mil std 883e - method 3015-7 class 3 25 kv hbm (human body model) functional diagram sod-123 pin configurations absolute ratings (tamb=25c ) symbol parameter value units p pk peak pulse power (tp = 8/20 s) 600 w v esd esd voltage(hbm waveform per iec 61000-4-2) 8 kv t l maximum lead temperature for soldering during 10s 260 c t stg storage temperature range -55 to +150 c t j maximum junction temperature -55 to +125 c i pp maximum reverse peak pulse current 24 a willas electronic corp. 2012-09 SESD1ZXXV z
electrical parameter symbol parameter i pp maximum reverse peak pulse current v c clamping voltage @ i pp v rwm working peak reverse voltage i r maximum reverse leakage current @ v rwm i t test current v br breakdown voltage @ i t i f forward current v f forward voltage @ i f electrical characteristics ratings at 25c ambient temperature unless otherwise specified. v br v f c min typ max i t v rwm i r max. i f typ. (note1) part numbers v v v ma v a v ma pf sesd1z5v 6.1 6.7 7.2 1.0 5.0 1 1.25 200 430 sesd1z12v 13.3 14.0 14.7 1.0 12.0 1 1.25 200 300 sesd1z15v 16.7 17.4 18.1 1.0 15.0 1 1.25 200 250 1. capacitance is measured at f=1mhz, v r =0v,t a =25. fig.1 non-repetitive peak pulse power vs. pulse time transient voltage suppressors for esd protection willas electronic corp. 2012-09 SESD1ZXXV
fig.2 power derating curve fig.3 waveform fig.4 clamping voltage vs. peak pulse current fig.5 capacitance vs. reverse voltage fig.6 forward voltage vs. forward current transient voltage suppressors for esd protection willas electronic corp. 2012-09 SESD1ZXXV
sod-123 mechanical data transient voltage suppressors for esd protection type number marking code sesd1z5v 15 sesd1z12v 112 marking sesd 1 z 15v 115 willas electronic corp. 2012-09 sesd1 dimensions in inches and (millimeters) .114(2.90) .098(2.50) .130(3.30) .154(3.90) .018(0.45) .071(1.80) .055(1.40) .01 8( 0. 4 5 ) .039 (1.00) .008(0.20)max. .027(0.70) .053(1.35) .004(0.1)max. .010(0.25) .016(0.40)min.
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