features bidirectional tvs low capacitance - 12 pf esd protection >15 kv fits 0402 footprint applications computers and peripherals communication systems audio & video equipment portable instrumentation absolute maximum ratings (@ t a = 25 c unless otherwise noted) cddfn2-txxc series - surface mount tvs diode *rohs compliant *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. parameter symbol cddfn2- unit 5.0c 12c 24c peak pulse power @ 8/20 sp pk 75 25 47 w peak pulse current @ 8/20 si pp 511a operating temperature t opr -40 to +125 oc storage temperature t stg -55 to +150 oc general information the cddfn2-txxc series provides esd and eft protection for external ports of electronic devices such as cellular phones, hand held electronics and other portable electronic devices. the device measures 1.05 mm x 0.65 mm and is available in a dfn-2 package and is intended to be mounted directly onto an fr4 printed circuit board. the device will ? t an 0402 footprint. the device is designed to meet iec 61000-4-2(esd) and iec 61000-4-4(eft) protection requirements. electrical characteristics (@ t a = 25 c unless otherwise noted) parameter symbol cddfn2- unit 5.0c 12c 24c maximum working peak voltage v wm 5.0 12 24 v minimum breakdown voltage @ 1 ma v br 6.0 13 25 v maximum leakage current @ v wm i l 2.0 a typical capacitance @ 0 v 1 mhz c j 15 12 10 pf maximum capacitance @ 0 v 1 mhz c j 20 pf maximum clamping voltage @ ipp 8/20 sv c 15 25 47 v esd protection per iec 61000-4-2 minimum contact discharge minimum air discharge esd esd 8 15 kv kv 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
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. cddfn2-txxc series - surface mount tvs diode product dimensions block diagram this is a molded dfn-2 package with lead free 100 % au plating on the terminations. it weighs approximately 10 mg. recommended pcb footprint how to order cd dfn2 - t 5.0 c common diode chip diode package dfn2 = dfn-2 package model transient voltage suppressor working peak reverse voltage 5.0 = 5.0 v rwm (volts) 12.0 = 12.0 v rwm (volts) 24.0 = 24.0 v rwm (volts) suf x c = bidirectional diode typical part marking cddfn2-t5.0c ............................................................................ e5 CDDFN2-T12C ............................................................................. e2 cddfn2-t24c ............................................................................. e4 dimensions: mm (inches) b top bottom side d f e a h g c dimensions a 0.55-0.65 (0.022-0.026) b 0.95- 1.05 (0.037-.041) c 0.45-0.55 (0.018-.022) d 0.30 (0.012) e 0.43 (0.017) f 0.30 (0.012) g 0.50 (0.020) h 0.50 (0.020) 0.80 (0.031) 0.55 (0.022) 0.30 (0.012) 0.85 (0.033) 1.40 (0.055) 0.55 (0.022) typ. typ. typ. typ. typ.
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 10u 1u 100n 10n 0 20 40 60 80 100 reverse current (a) reverse voltage (%) 100 80 60 40 20 0 0255075 mounting on glass epoxy pcbs 100 125 150 power rating (%) ambient temperature (?) 0102030 40 reverse voltage (v) 0 3 6 9 12 15 5 v 12 v 24 v capacitance between terminals (pf) speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. cddfn2-txxc series - surface mount tvs diode rating & characteristic curves pulse waveform reverse characteristics power derating curve capacitance between terminals
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. cddfn2-txxc series - surface mount tvs diode packaging information ....... ....... ....... ....... ....... ....... ....... ....... pa 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 the surface mount product is packaged in an 8 mm x 4 mm tape and reel format per eia-481 standard. dimensions: mm (inches) item symbol dfn-2 carrier width a 0.80 0.10 (0.031 0.004) carrier length b 1.20 0.10 (0.047 0.004) carrier depth c 0.70 0.10 (0.027 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 50.0 (1.969) 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 14.4 (0.567) max. quantity per reel -- 5000 rev. 03/11
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