features rohs compliant* protects up to four i/o ports surge protection esd protection low capacitance: 6 pf applications ethernet - 10/100 base t personal digital assistants lan devices instrumentation electrical characteristics (@ t a = 25 ? unless otherwise noted) cdnbs08-slvu2.8-4 - low capacitance tvs array *rohs compliant *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. parameter symbol min. nom. max. unit peak pulse current (t p = 8/20 ?) i pp 30 a peak pulse power (t p = 8/20 ?) 1 p pp 600 w working voltage v wm 2.8 v breakdown voltage @ 1 ma v br 3.0 v leakage current @ v wm i d 0.1 1.0 ? capacitance @ 0 v, 1 mhz c 6 pf snapback voltage @ 50 ma 2.8 v esd protection per iec 61000-4-2 contact discharge air discharge esd ?8 ?5 ?0 ?0 kv eft protection per iec 61000-4-4 @ 5/50 ns eft 60 a surge protection per iec 61000-4-5 clamping voltage @ 8/20 ? @ i p = 5 a 2 v c 10 v @ i p = 24 a 2 v c 13 15 v @ i pp = 30 a 2 v c 15 21 v 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 array combination diodes for surge and esd protection applications in an eight lead narrow body soic package size format. 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 will meet iec 61000-4-2 (esd), iec 61000-4-4 (eft) and iec 61000-4-5 (surge) requirements. 8765 1234 notes: 1. see peak pulse power vs. pulse time. 2. each differential line pair. thermal characteristics (@ t a = 25 ? unless otherwise noted) parameter symbol min. nom. max. unit junction temperature range t j -55 +25 +125 ? storage temperature range t stg -55 +25 +150 ?
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. cdnbs08-slvu2.8-4 - low capacitance tvs array product dimensions this is an rohs compliant molded jedec narrow body so-8 package with 100 % sn plating on the lead frame. it weighs approximately 15 mg and has a ammability rating of ul 94v-0. recommended footprint how to order cd nbs08 - slvu 2.8 - 4 common code chip diode package nbs08 = narrow body soic8 package model slvu = low capacitance tvs array working peak reverse voltage 2.8 = 2.8 v rwm (volts) number of diodes typical part marking cdnbs08-slvu2.8-4 ..................................................... sl4 dimensions a 4.80 - 5.00 (0.189 - 0.197) b 3.81 - 4.00 (0.150 - 0.157) c 5.80 - 6.20 (0.228 ?0.244) d 0.36 - 0.51 (0.014 - 0.020) e 1.35 - 1.75 (0.053 - 0.069) f 0.102 - 0.203 (0.004 - 0.008) g 0.25 - 0.50 (0.010 - 0.020) h 0.51 - 1.12 (0.020 - 0.044) i 0.190 - 0.229 (0.0075 - 0.0090) j 4.60 - 5.21 (0.181 - 0.205) k 0.28 - 0.79 (0.011 - 0.031) l 1.27 (0.050) ab c d e a b c g 45 ? nom. i h d k l millimeters (inches) dimensions = e f j 7 ?nom. 3 plcs. 7 ?nom. 4 plcs. 4 ??4 dimensions a 1.143 - 1.397 (0.045 - 0.065) b 0.635 - 0.889 (0.025 - 0.035) c 6.223 min. (0.245) min. d 3.937 - 4.191 (0.155 - 0.165) e 1.016 - 1.27 (0.040 - 0.050)
application diagram device pinout cdnbs08-slvu2.8-4 - low capacitance tvs array speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. 18 line 1 differential line pair 1 configuration for protecting two differential line pairs differential line pair 2 line 2 line 3 line 4 27 36 45 pin unidirectional common mode bidirectional common mode bidirectional differential mode 1 line 1 line 1 line pair 1 2 gnd gnd line pair 1 3 line 3 gnd line pair 2 4 gnd line 2 line pair 2 5 line 4 line 2 line pair 2 6 gnd gnd line pair 2 7 line 2 gnd line pair 1 8 gnd line 1 line pair 1 8765 1234 block diagram
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. 3312 - 2 mm smd trimming potentiometer 10,000 1,000 100 10 1 0.01 10 100 10,000 1,000 p pp ?peak pulse current (w) t d ?pulse duration (?) 0 20 40 60 80 100 0 25 50 75 100 125 150 % of rated power t l ?lead temperature (?) 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 ? 600 w, 8/20 ? waveform average power peak pulse power 8/20 ? t t e t t d = t | i pp /2 0 12 14 16 18 20 0 5 10 15 20 25 30 35 40 45 clamping voltage (v) peak pulse current (a) differential line pair 10 8 6 4 2 waveform parameters: tr=8 ? td=20 ? 0 1 2 3 6 5 4 7 -3 -2 -1 0 1 2 3 input capacitance (pf) input voltage (v) f = 1 mhz, t = 25 ? differential line pair cdnbs08-slvu2.8-4 - low capacitance tvs array performance graphs peak pulse power vs pulse time pulse waveform power derating curve clamping voltage vs. peak pulse current variation of c in vs. v in
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. 3312 - 2 mm smd trimming potentiometer ....... ....... ....... ....... ....... ....... ....... ....... p a f e t 120 d 2 d d 1 w 1 c index hole part orientation p 0 p 1 w b 10 pitches (min.) direction of feed 10 pitches (min.) end trailer device leader start d pin 1 cdnbs08-slvu2.8-4 - low capacitance tvs array packaging information the product is packaged in tape and reel format per eia-481 standard. dimensions: mm (inches) item symbol nsoic 8l carrier width a 6.7 0.10 (0.264 0.004) carrier length b 5.5 0.10 (0.217 0.004) carrier depth c 2.10 0.10 (0.083 0.004) sprocket hole d 1.55 0.05 (0.061 0.002) reel outside diameter d 330 (12.992) reel inner diameter d 1 80.0 (3.1500) 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 8.00 0.10 (0.315 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 12.00 0.20 (0.472 0.008) reel width w 1 18.4 (0.724) max. quantity per reel -- 2500 rev. 12/12 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
|
