features rohs compliant* low capacitance ~ 2.5 pf esd protection surge protection applications personal digital assistants (pdas) mobile phones & accessories memory card protection sim card port protection portable electronics electrical characteristics (@ t a = 25 ? unless otherwise noted) cdsot23-slvu2.8 - surface mount tvs diode *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. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. general information the cdsot23-slvu2.8 device provides esd, eft and surge protection for high speed data ports meeting iec 61000-4-2 (esd), iec 61000-4-4 (eft) and iec 61000- 4-5 (surge) requirements. the transient voltage suppressor array o? ers a working peak reverse voltage of 2.8 v and minimum breakdown voltage of 3 v. the sot23 packaged device will mount directly onto the industry standard sot23 footprint. bourns ? chip diodes conform to jedec standards, are easy to handle with standard pick and place equipment and the ? at con? guration minimizes roll away. parameter symbol value unit peak pulse power (t p = 8/20 s) 1 p pk 600 w peak pulse current (t p = 8/20 s) i ppm 30 a storage temperature t stg -55 to +150 oc operating temperature t opr -55 to +150 oc minimum breakdown voltage @ 1 ma v br 3.0 v minimum snap back voltage @ 50 ma v br 2.8 v maximum working peak voltage v wm 2.8 v maximum leakage current @ v wm (pin 3 to pin 1) or (pin 2 to pin 1) i d 1.0 a maximum clamping voltage @ i p = 2 a v c 5.5 v maximum clamping voltage @ i p = 5 a (pin 2 to pin 1) v c 7.0 8.5 v maximum clamping voltage @ i p = 30 a v c 21.0 v typical junction capacitance @ 0 v, 1 mhz (pin 3 to pin 1 & pin 2) (pin 2 to pin 1 with pin 3 nc) c d 20 2.5 pf maximum junction capacitance @ 0 v, 1 mhz c d 3p f maximum peak reverse voltage @ i = 10 a v rrm 40 v maximum reverse leakage current @ v wm i dr 0.1 a maximum forward voltage @ i f = 1 a, 120 s v f 2v 3 1 2 note: 1.see peak pulse power vs. pulse time. *rohs compliant
speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. product dimensions cdsot23-slvu2.8 - surface mount tvs diode this is a molded jedec sot-323 package with 100 % matte sn plating on the lead frame. it weighs approximately 8 mg and has a ammability rating of ul 94v-0. typical part marking cdsot23-slvu2.8 .................................................................... sla how to order cd sot23 - slvu 2.8 common code chip diode package ?sot23 = sot23 package model slvu = special model working peak reverse voltage 2.8 = 2.8 v rwm (volts) recommended footprint dimensions a 0.95 (0.037) b 0.95 (0.037) c 2.00 (0.079) d 0.85 (0.033) e 0.85 (0.033) a b c e d millimeters (inches) dimensions = 1 2 3 b cd h l 0 to 8 i gauge plane k j seating plane see detail a detail a g e f a millimeters (inches) dimensions = dimensions a 2.80 - 3.00 (0.110 - 0.118) b 0.95 bsc (0.037)........... c 1.20 - 1.40 (0.047 - 0.055) d 2.10 - 2.49 (0.083 - 0.098) e 1.90 bsc (0.075)........... f 0.30 - 0.50 (0.012 - 0.019) g 0.89 - 1.17 (0.035 - 0.046) h 0.05 - 0.015 (0.002 - 0.006) i 0.25 bsc (0.010)........... j 0.46 - 0.64 (0.018 - 0.025) k 0.40 - 0.58 (0.016 - 0.023) l 0.08 - 0.20 (0.003 - 0.008)
100 1,000 10,000 10 1 0.1 10,000 p pp ? peak pulse power (w) t d ? pulse duration (s) 10 100 1,000 20 40 60 80 100 120 0 030 2520 1510 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 20 40 60 80 100 0 0 150 125 100 75 50 25 % of rated power tl = lead temperature - c peak pulse power 8/20 s average power 2 0.2 35 25 15 5 -5 -72.000 ns 28.000 ns 20.0 ns/div 128.000 ns real time 5 volts per division esd test pulse: 25 kilovolt, 1/30 ns (waveshape) 600 w, 8/20 s waveform cdsot23-slvu2.8 - surface mount tvs diode speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. performance graphs overshoot & clamping voltage peak pulse power vs. pulse time pulse waveform power derating curve
....... ....... ....... ....... ....... ....... ....... ....... t 120 d 2 d d 1 w 1 c 10 pitches (min.) direction of feed 10 pitches (min.) end trailer device leader start pa f e index hole p 0 p 1 w b d speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in differ- ent applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. cdsot23-slvu2.8 - surface mount tvs diode 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) rev. 11/13 asia-paci c: tel: +886-2 2562-4117 fax: +886-2 2562-4116 emea: tel: +36 88 520 390 fax: +36 88 520 211 the americas: tel: +1-951 781-5500 fax: +1-951 781-5700 www.bourns.com item symbol sot2 3 carrier width a 2.25 0.10 (0.088 0.004) carrier length b 2.34 0.10 (0.092 0.004) carrier depth c 1.22 0.10 (0.048 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 -- 3,000
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