*rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cddfn2-t4.7c C surface mount tvs diode features bidirectional tvs 5 v low capacitance 15 pf esd protection >15k v fits 0402 footprint applications computers and peripherals communication systems audio & video equipment portable instrumentation general information electrical & thermal characteristics (@ t a = 25 c unless otherwise noted) notes: 1. see peak pulse power vs. pulse time. the cddfn2-t4.7c device provides esd and eft protection for external ports of electronic devices such as cellular phones, handheld electronics and other portable electronic devices. the device measures 1.05 mm x 0.65 mm and is available in a dfn-2 package intended to be mounted directly onto an fr4 printed circuit board. the device will fit an 0402 footprint. the device will meet iec 61000-4-2 (esd) and iec 61000-4-4 (eft) protection requirements. parameter symbol min. typ. max. unit peak pulse power @ 8/20 s 1 p pk 75 w peak pulse current @ 8/20 s i pp 5a operating temperature t opr -40 25 125 ?c storage temperature t stg -55 25 150 ?c *rohs compliant parameter symbol min. typ. max. unit working peak voltage v wm 5.0 v breakdown voltage @ 1 ma v br 5.1 7.0 v leaking current @ 5 v i l 0.1 2.0 a capacitance @ 0 v, 1 mhz c j 15 20 pf clamping voltage @ ipp = 5 a 8/20 sv c 15 v esd protection per iec 61000-4-2 contact discharge esd 8 kv air discharge esd 15 kv eft protection per iec 61000-4-4 @ 5/50 ns eft 40 a surge protection per iec 61000-4-5 @ 8/20 s surge 5 a
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cddfn2-t4.7c C surface mount tvs diode product dimensions recommended pcb footprint b top bottom side d f e a h g c mm (inches) dimensions: 0.700 (0.028) 0.500 (0.020) 0.250 (0.010) 0.750 (0.030) 1.250 (0.049) 0.500 (0.020) dimensions a 0.55 - 0.65 (0.022 - 0.026) b 0.95 - 1.05 (0.037 - 0.041) c 0.45 - 0.55 (0.018 - 0.022) d 0.30 (0.012) e 0.432 (0.017) f 0.30 (0.012) g 0.50 (0.020) h 0.50 (0.020) this is a molded dfn-2 package with lead free 100 % sn plating on the terminations. it weighs approximately 30 mg. block diagram typical part marking cddfn2-t4.7c ..............................................................................e5
10 100 1,000 0 1 0.1 100,000 p pp ?peak pulse power (kw) t d ?pulse duration (?) 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 2 0.2 30 25 15 5 -5 -490.00 ns 10.00 ns 510.00 ns 5 volts per division esd test pulse: 25 kilovolt, 1/30 ns (waveshape) 10 100 1,000 10,000 75 w, 8/20 ? waveform 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 (?) specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cddfn2-t4.7c C surface mount tvs diode performance graphs how to order cd dfn2 - t 4.7 c common code chip diode package ? dfn2 = dfn-2 package model t = transient voltage suppressor working peak reverse voltage 4.7 = 4.7 v rwm (volts) suffix c = bidirectional diode peak pulse power vs pulse time overshoot & clamping voltage reverse characteristics pulse wave form power derating curve
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cddfn2-t4.7c C surface mount tvs diode packaging information asia-pacific: 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 the surface mount product is packaged in an 8 mm x 4 mm tape and reel format per eia-481 standard. ....... ....... ....... ....... ....... ....... ....... ....... 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 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) 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) quantity per reel 5,000 rev. 03/09 max. min.
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