transient voltage suppressors for esd protection revision january 06, 2014 1 / 3 @ un semiconductor co., ltd. 2014 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. esdxxv32d-a series un semiconductor co., ltd. www.unsemi.com.tw sod-323 the esdxxv32d-a 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. because of its small size, it is suited for use in cellular phones, mp3 players, digital cameras and many other portable applications where board space is at a premium. u 320 watts peak pulse power per line (tp=8/20 s) u protects one i/o line or power line u low clamping voltage u working voltages : 3.3v, 5v, 8v, 12v, 15v,24v and 36v u low leakage current u iec61000-4-2 (esd) 15kv (air), 8kv (contact) u iec61000-4-4 (eft) 40a (5/50 s) u iec61000-4-5 (lightning) 24a (8/20 s) u cell phone handsets and accessories u microprocessor based equipment u personal digital assistants (pda s) u notebooks, desktops, and servers u portable instrumentation u peripherals u pagers u jedec sod-323 package u molding compound flammability rating : ul 94v-0 u weight 5 milligrams (approximate) u quantity per reel : 3,000pcs u reel size : 7 inch u lead finish : lead free symbol parameter value units p pp peak pulse power (tp=8/20 s waveform) 320 w t l lead soldering temperature 260 (10sec) o c t stg storage temperature range -55 to +150 o c t j operating temperature range -55 to +150 o c air discharge 15 iec61000-4-2 (esd) contact discharge 8 kv iec61000-4-4 (eft) 40 a iec61000-4-5 ( lightning ) 24 a mechanical characteristics d escription feature functional diagram applications m echanical characteristics
transient voltage suppressors for esd protection revision january 06, 2014 2 / 3 @ un semiconductor co., ltd. 2014 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. esdxxv32d-a series un semiconductor co., ltd. www.unsemi.com.tw 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 b breakdown voltage @ i t i f forward current v f forward voltage @if p pk peak power dissipation c max capacitance @v r =0v & f=1mhz v c part number device marking v rwm (v) (max.) v b (v) (min.) i t (ma) v c @1a (max.) (max.) (@a) i r ( a) (max.) c (pf) (typ.) esd3.3v32d-a 03w 3.3 4.0 1 6.5 10.9 30 40 500 esd05v32d-a 05w 5 6.0 1 9.8 13.5 24 10 350 esd08v32d-a 08w 8 8.5 1 13.4 21 18 10 150 esd12v32d-a 12w 12 13.3 1 19 25.9 15 1 120 esd15v32d-a 15w 15 16.7 1 24 30 12 1 100 esd24v32d-a 24w 24 26.7 1 43 48 8 1 80 esd36v32d-a 36w 36 40.0 1 60 75 5 1 30 fig1. 8/20 s pulse waveform fig2. esd pulse waveform (according to iec 61000-4-2) i - v curve characteristics electrical characteristics ( @ 25 unless otherwise specified ) i f i v v f i t i r i p p v rw v br r v c uni - directional characteristic curves 0 5 10 15 20 25 30 120 t r 100 80 60 40 20 0 peak value i pp t d =t i pp /2 test waveform parameters t r =8 s t d =20 s t - time ( s ) i pp - peak pulse current - % of i pp 60ns 10% percent of peak pulse current % 30ns tr = 0.7~1ns time (ns) 90% 100%
transient voltage suppressors for esd protection revision january 06, 2014 3 / 3 @ un semiconductor co., ltd. 2014 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. esdxxv32d-a series un semiconductor co., ltd. www.unsemi.com.tw fig3. esd clamping (+8kv contac per iec61000-4-2) fig4. esd clamping (-8kv contac per iec61000-4-2) millimeters inches symbol min. nom. max. min. nom. max. a 0.80 0.90 1.00 0.031 0.035 0.040 a1 0.00 0.05 0.10 0.000 0.002 0.004 a3 0.15 ref 0.006 ref b 0.25 0.32 0.40 0.010 0.012 0.016 c 0.089 0.12 0.177 0.003 0.005 0.007 d 1.60 1.70 1.80 0.062 0.066 0.070 e 1.15 1.25 1.35 0.045 0.049 0.053 l 0.08 0.003 h e 2.30 2.50 2.70 0.090 0.098 0.105 symbol millimeters inches f 1.60 0.063 g 2.85 0.112 j 0.83 0.033 k 0.63 0.025 soldering footprint sod - 3 23 package outline & dimensions characteristic curves
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