features lead free as standard* esd protection >30 kv surge protection >24 a protects 1 line uni/bidirectional con guration applications computer notebooks cellular phones personal digital assistants (pdas) digital cameras electrical & thermal characteristics (@ t a = 25 c unless otherwise noted) cdsod323-txxsc - tvs diode series *no lead detected in standard tests of homogeneous materials. **rohs directive 2002/95/ec jan 27, 2003 including annex. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. notes: 1. part numbers with suf x ??indicate bidirectional device, i.e. cdsod323-t05sc. 2. for bidirectional devices only, the electrical speci cations apply in both directions. general information the markets of portable communications, computing and video equipment are challenging the semiconductor industry to develop increasingly smaller electronic components. bourns offers transient voltage suppressor diodes for surge and esd protection applications in sod323 package size format. the transient voltage suppressor series offers a choice of voltage types ranging from 3 v to 36 v in a unidirectional or bidirectional con guration. bourns chip diodes conform to jedec standards, are easy to handle on standard pick and place equipment and their at con guration minimizes roll away. the bourns device meets iec 61000-4-2 (esd), iec 61000-4-4 (eft) and iec 61000-4-5 (surge) requirements. parameter symbol value unit unidirectional peak pulse power (t p = 8/20 ?) p pp 500 w bidirectional peak pulse power (t p = 8/20 ?) p pp 400 w operating temperature t l -55 to +150 ? storage temperature t stg -55 to +150 ? minimum esd protection (per iec 61000-4-2) contact discharge air discharge esd esd ? ?5 kv kv parameter symbol cdsod323- unit uni- t03s bi- t03sc uni- t05s bi- t05sc uni- t08s bi- t08sc uni- t12s bi- t12sc min. breakdown voltage @ 1 ma v br 4.0 4.0 6.0 6.0 8.5 8.5 13.3 13.3 v working peak voltage v m 3.3 3.3 5.0 5.0 8.0 8.0 12.0 12.0 v maximum clamping voltage @ i p = 1 a v f 7.0 8.0 9.8 9.8 13.4 13.4 19.0 19.0 v typical clamping voltage @ 8/20 ? @ i pp v c 10.9 v @ 43 a 10.9 v @ 43 a 13.5 v @ 42 a 14.5 v @ 28 a 16.9 v @ 34 a 18.5 v @ 17 a 25.9 v @ 21 a 29.5 v @ 14 a v maximum leakage current @ v wm i d 125 125 10 10 10 10 1 1 ? typical capacitance @ 0 v, 1 mhz c p 500 200 350 175 250 150 150 50 pf 1 2 unidirectional 1 2 bidirectional asia-paci? c: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 ?fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com **rohs compliant
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. cdsod323-txxsc - tvs diode series performance graphs block diagram how to order cd sod323 - t 05 sc common code chip diode package sod323 = sod-323 package model t = transient voltage suppressor working peak reverse voltage 05 = 5 v rwm (volts) suf? x s = standard capacitance unidirectional diode sc = standard capacitance bidirectional diode peak pulse power vs. pulse time pulse waveform notes: 1. part numbers with suf? x ?c? indicate bidirectional device, i.e. cdsod323-t05sc. 2. for bidirectional devices only, the electrical speci? cations apply in both directions. parameter symbol cdsod323- unit uni- t15s bi- t15sc uni- t18s bi- t18sc uni- t24s bi- t24sc uni- t36s bi- t36sc min. breakdown voltage @ 1 ma v br 16.7 16.7 20.0 20.0 26.7 26.7 40.0 40.0 v working peak voltage v m 15.0 15.0 18.0 18.0 24.0 24.0 36.0 36.0 v maximum clamping voltage @ i p = 1 a v f 24.0 24.0 29.0 29.0 43.0 43.0 60.0 60.0 v typical clamping voltage @ 8/20 s @ i pp v c 30.0 v @ 17 a 33.0 v @ 12 a 40.0 v @ 9 a 40.0 v @ 9 a 49.0 v @ 12 a 46.2 v @ 9 a 75.0 v @ 5 a 75.0 v @ 5 a v maximum leakage current @ v wm i d 1a typical capacitance @ 0 v, 1 mhz c p 100 40 90 40 88 40 75 35 pf electrical & thermal characteristics (@ t a = 25 c unless otherwise noted) 1 2 unidirectional 1 2 bidirectional 20 40 60 80 100 120 0 030 25 20 15 10 5 i pp ?peak pulse current (% of i pp ) t ?time (?) test waveform parameters t t = 8 ? t d = 20 ? t t e t t d = t | i pp /2 10,000 1,000 100 10 1 0.1 10 100 10,000 1,000 p pp ?peak pulse current (w) t d ?pulse duration (?) 500 w, 8/20 ? waveform 400 w, 8/20 ? waveform
product dimensions speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. cdsod323-txxsc - tvs diode series this is a molded jedec sod-323 package with lead free 100 % sn plating on the terminations. it weighs approximately 30 mg and has a ammability rating of ul 94v-0. typical part marking each device has device marking outlined below and the unidirectional devices have an additional polarity band indicating the cathode. cdsod323-t03s ........................................................................... a cdsod323-t03sc ........................................................................g cdsod323-t05s ........................................................................... b cdsod323-t05sc ........................................................................ h cdsod323-t08s ........................................................................... c cdsod323-t08sc .........................................................................j cdsod323-t12s ........................................................................... d CDSOD323-T12SC ........................................................................ k cdsod323-t15s ........................................................................... e cdsod323-t15sc .........................................................................l cdsod323-t18s ...........................................................................o cdsod323-t18sc ........................................................................ n cdsod323-t24s ........................................................................... f cdsod323-t24sc ....................................................................... m cdsod323-t36s ........................................................................... r cdsod323-t36sc ........................................................................ t dimensions: mm (inches) dimensions a 1.60 - 1.90 (0.063 - 0.075) b 1.15 - 1.45 (0.045 - 0.057) c 2.39 - 2.70 (0.094 - 0.106) d 0.92 - 1.10 (0.036 - 0.043) e 0.25 - 0.40 (0.010 - 0.016) f 0.10 - 0.20 (0.004 - 0.008) h 0.10 max. (0.004) ......... h f e a c d b recommended footprint a bc d dimensions: mm (inches) dimensions (nominal) a 0.80 (0.031) b 0.80 (0.031) c 1.40 (0.055) d 0.80 (0.031)
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. cdsod323-txxsc - tvs diode series packaging information the surface mount product is packaged in an 8 mm x 4 mm tape and reel format per eia-481 standard. devices are packed in accordance with eia standard rs-481-a. dimensions: mm (inches) item symbol sod-323 carrier width a 1.55 0.10 (0.061 - 0.004) carrier length b 2.90 0.10 (0.114 - 0.004) carrier depth c 1.35 0.10 (0.053 - 0.004) sprocket hole d 1.55 0.05 (0.061 - 0.002) reel outside diameter d 178 (7.008) reel inner diameter d 1 80.0 ... (3.150) min. feed hole diameter d 2 13.0 0.20 (0.512 0.008) sprocket hole position e 1.75 0.10 (0.069 0.004) punch hole position f 3.50 0.05 (0.138 0.002) punch hole pitch p 4.00 0.10 (0.157 - 0.004) sprocket hole pitch p 0 4.00 0.10 (0.157 0.004) embossment center p 1 2.00 0.05 (0.079 0.002) overall tape thickness t 0.20 0.10 (0.008 0.004) tape width w 8.00 0.20 (0.315 - 0.008) reel width w 1 13.5 . (0.531) max. quantity per reel -- 3,000 rev. 03/11 ....... ....... ....... ....... ....... ....... ....... ....... p a f e t 120 d 2 d d 1 w 1 c index hole p 0 p 1 w b 10 pitches (min.) direction of feed 10 pitches (min.) end trailer device leader start d
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