transient voltage suppressors for esd protection low capacitance 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-lca series un semiconductor co., ltd. www.unsemi.com.tw sod-323 the esdxxv32d-lca 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, ultra-low capacitance values , it is very suitable for signal port and board space speed transmission is very small places, such as ethernet, mobile phones , mp3 players, digital cameras and other portable . u 200 watts peak pulse power per line (tp=8/20 s) u protects one bidirectional i/o line u low clamping voltage u working voltages : 3.3v, 5v, 8v u low leakage current u iec61000-4-2 (esd) 15kv (air), 8kv (contact) u iec61000-4-4 (eft) 40a (5/50 s) u ethernet - 10/100/1000 base t u cellular phones u i 2 c bus protection u parallel & serial port protection u personal digital assistant (pda) u microcontroller input protection u isdn s/t interface u wan/lan equipment u jedec sod-323 package u molding compound flammability rating : ul 94v-0 u weight 5.0 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) 200 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 mechanical characteristics d escription feature functional diagram applications m echanical characteristics
transient voltage suppressors for esd protection low capacitance 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-lca 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 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.) ESD03V32D-LCA ca1 3.0 3.5 1 5.50 15.0 11 1 1.2 esd05v32d-lca ca2 5.0 5.5 1 9.80 18.0 8 1 1.2 esd08v32d-lca ca3 8.0 8.1 1 19.00 19.0 4 1 1.2 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 ) 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% i p p i v i t i r v rw v br r v c i t i r i p p v rw v br r v c b i - directional
transient voltage suppressors for esd protection low capacitance 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-lca 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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