*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. CD143A-SR05~12 ?steering/tvs diode array series features lead free as standard rohs compliant* esd protection >25 kv protects vcc and two data lines applications ethernet - 10/100/1000 base t firewire and usb portable electronics video/graphic cards general information electrical and thermal characteristics (@ t a = 25 ? unless otherwise noted) notes: 1. see peak pulse power vs. pulse time. 2. from pin 4 to pin 1. 3. see pulse wave form. 4. from pin 1 to pin 3, pin 1 to pin 2, pin 3 to pin 4, pin 2 to pin 4. 5. gnd is connected to ground, ref is connected to +v cc and input applies to v cc = 12 v. v stgn = 30 mv, f = 1 mhz. the CD143A-SR05 and cd143a-sr12 devices provides esd, eft and surge protection for the external ports of portable electronic devices such as cell phones, handheld electronics and personal computers. the esd protection provided by the component enables a data port to withstand a minimum ? kv contact / ?5 kv air discharge per the esd test method specified in iec 61000-4-2. the device measures 2.80 mm x 1.20 mm and is available in a sot-143 package intended to be mounted directly onto an fr4 printed circuit board. the bourns device will meet iec 61000-4-2 (esd), iec 61000-4-4 (eft) and iec 61000-4-5 (surge) requirements. parameter symbol value unit peak pulse power (t p = 8/20 ?) 1 p pp 500 w peak pulse current (t p = 8/20 ?) i pp 30 a operating temperature t j -55 ?c to 150 ?c ?c storage temperature t stg -55 ?c to 150 ?c ?c forward surge rating (10 ma, 50 ? @ 25 ?) v f 1.5 v 1 gnd i/o ref i/o 2 4 3 *rohs compliant parameter symbol CD143A-SR05 cd143a-sr12 unit breakdown voltage minimum @ 1 ma 2 v br 6.0 13.3 v working peak voltage 2 v wm 5.0 12 v clamping voltage maximum @ i p = 1 a 2,3 v c 9.8 19 v clamping voltage maximum @ i p 2,3 v c 20 @ 28 a 30 @ 16 a v leakage current @ v wm 2 i d 5.0 1.0 ? capacitance maximum per data line @ 0 v, 1 mhz 4,5 c j 10 10 pf
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. CD143A-SR05~12 ?steering/tvs diode array series product dimensions recommended pad layout b d i k e g h f j c a mm (inches) dimensions: 2.00 (0.079) 1.80 (0.071) 1.20 (0.047) 0.80 (0.031) 0.85 (0.033) 0.85 (0.033) 0.85 (0.033) 1.05 (0.041) 1.90 (0.075) 2.75 (0.108) 2.85 (0.112) mm (inches) dimensions: dimensions a 2.80 - 3.04 (0.110 - 0.12) b 1.78 - 2.03 (0.070 - 0.080) c 2.11 - 2.48 (0.083 - 0.098) d 1.20 - 1.39 (0.047 - 0.055) e 0.39 - 0.50 (0.015 - 0.020) f 0.79 - 0.93 (0.031 - 0.037) g 0.08 - 0.15 (0.003 - 0.006) h 0.46 - 0.60 (0.018 - 0.024) i 0.84 - 1.14 (0.033 - 0.045) j 0.72 - 0.83 (0.028 - 0.033) k 0.013 - 0.10 (0.0005 - 0.004) this is a molded jedec sot-143 device. it weighs approximately 35 mg and has a flammability rating of ul 94v-0. the dimensions for the packaged device are shown below. block diagram 1 gnd i/o ref i/o 2 4 3 this is the footprint recommended for this sot-143 device. the device block diagram below includes the pin names and basic electrical connections associated with each channel. typical part marking CD143A-SR05 ................................................................................5a cd143a-sr12 ..............................................................................12a
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. CD143A-SR05~12 ?steering/tvs diode array series performance graphs 100 1,000 10,000 10 1 0.01 10 100 10,000 1,000 p pp ? peak pulse current (w) t d ? pulse duration (s) 500 w, 8/20 s waveform 20 40 60 80 100 120 0 0 30 25 20 15 10 5 i pp ? peak pulse current (% of i pp ) t ? time (s) test waveform parameters t t = 8 s t d = 20 s t t e t t d = t | i pp /2 0 20 40 60 80 100 0 25 50 75 100 125 150 % of rated power t l ? lead temperature (c) average power peak pulse power 8/20 s -20 -10 0 10 20 -250.000 ns 250.000 ns 0.000 ns realtime 50.0 ns/div 5 volts per division esd test pulse - 25 kilovolt, 1/30 ns (waveshape) 0 4 8 12 16 0 5 1 2 3 c - capacitance - pf v r ? reverse voltage - volts 4 how to order cd 143a - sr 05 common code chip diode package ?143a = sot-143 model sr = steering diode array working peak voltage 05 = 5.0 v wm (volts) 12 = 12 v wm (volts) peak pulse power vs pulse time pulse wave form typical reverse voltage vs. capacitance overshoot & clamping voltage power derating curve
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. CD143A-SR05~12 ?steering/tvs diode array series packaging information reliable electronic solutions 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 copyright? 2005, bourns, inc. litho in u.s.a. ipa0524 10/05 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 sot-143 carrier width a 2.75 ?.10 (0.108 - 0.004) carrier length b 3.30 ?.10 (0.130 - 0.004) carrier depth c 1.25 ?.10 (0.049 - 0.004) sprocket hole d 1.55 ?.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 ?.20 (0.512 - 0.008) sprocket hole position e 1.75 ?.10 (0.069 - 0.004) punch hole position f 3.50 ?.05 (0.138 - 0.002) punch hole pitch p 4.00 ?.10 (0.157 - 0.004) sprocket hole pitch p 0 4.00 ?.10 (0.157 - 0.004) embossment center p 1 2.00 ?.05 (0.079 - 0.002) overall tape thickness t 0.20 ?.10 (0.008 - 0.004) tape width w 8.00 ?.20 (0.315 - 0.008) reel width w 1 14.4 (0.567) max. quantity per reel 3,000 rev. 02/06
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