features lead free as standard rohs compliant* low clamping voltage bidirectional esd protection protects 2 lines applications computer interface protection microprocessor protection power lines on pcb protection control signal lines protection latchup protection electrical & thermal characteristics (@ t a = 25 c unless otherwise noted) CDSOT23-0502B - 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 note: test between pins 1 to 3, and pins 2 to 3. general information 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 the CDSOT23-0502B bidirectional 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 offers a working peak reverse voltage of 5 v and minimum breakdown voltage of 6 v. the sot23-3 packaged device will mount directly onto the industry standard sot23-3 footprint. bourns ? chip diodes are easy to handle with standard pick and place equipment and their ? at con? guration minimizes roll away. parameter symbol value unit peak pulse current (t p = 8/20s) i ppm 8.5 a esd per iec 61000-4-2 (air) esd per iec 61000-4-2 (contact) v esd io 22 15 kv operating temperature t opr -55 to +125 oc storage temperature t stg -55 to +150 oc minimum reverse breakdown voltage @ 1ma v br 6.0 v reverse standoff voltage v m 5v maximum leakage current @ v wm i l 2.5 a maximum clamping voltage 1 @ i pp =5 a contact v cl1 8 v maximum clamping voltage 2 @ i pp =7 a contact v cl2 9 v max channel input capacitance @ 0 v, 1 mhz c n 15 pf 3 1 2
speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications product dimensions CDSOT23-0502B - surface mount tvs diode this is a molded sot23-3l package with lead free 100 % matte sn on the lead frame. it weighs approximately 8 mg and has a ? ammability rating of ul 94v-0. how to order cd sot23 - 05 02 b common code chip diode package sot23 = sot-23-3l package working peak voltage 05 = 5 v lines 02 = 2 lines suf? x b = bidirectional diode dimensions a 2.82 - 3.02 (0.111 ? 0.119) b 0.95 typ. (0.037) ....... c 1.20 ? 1.40 (0.047 ? 0.055) d 2.25 ? 2.55 (0.089 ? 0.100) e 1.80 ? 2.00 (0.071 ? 0.079) f 0.45 ? 0.60 (0.018 ? 0.024) g 0.90 ? 1.05 (0.035 ? 0.041) h 0.30 ? 0.40 (0.012 ? 0.016) i 0.55 ref. (0.022) ....... j 0.08 ? 0.15 (0.003 ? 0.006) 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) 12 3 b cd i j g e f h a millimeters (inches) dimensions = a b c e d millimeters (inches) dimensions =
0 1 56789 clamping voltage (v) peak pulse current (a) 2 3 4 5 6 7 8 9 10 11 12 waveform parameters: tr = 8 s td = 20 s 20 40 60 80 100 120 0 030 25 20 15 10 5 i pp C peak pulse current (% of i pp ) t C time (s) test waveform parameters t t = 8 s t d = 20 s t t e t t d = t | i pp /2 0 1 -4 -5 -2 -3 -1 1 3 0245 capacitance (pf) bias voltage (v) 2 3 4 5 6 7 8 9 10 11 15 12 13 14 f=1 mhz -20 -15 -10 -5 0 5 10 transmission line pulsing (tlp) current (a) transmission line pulsing (tlp) voltage (v) -10 -5 0 5 10 15 20 v_pulse 100 ns tlp_v tlp_i + - pulse from a transmission line CDSOT23-0502B - surface mount tvs diode speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications rating & characteristic curves clamping voltage vs peak pulse current pulse waveform typical variation of c in vs. v in transmission line pulse measurement typical part marking CDSOT23-0502B ....................................................................... 52b
....... ....... ....... ....... ....... ....... ....... ....... 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 speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications CDSOT23-0502B - surface mount tvs diode packaging information the product is dispensed in tape and reel format (see diagram below). devices are packed in accordance with eia standard rs-481-a. dimensions: mm (inches) item symbol sot-23 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) ta p e w i d t h w 8.00 0.20 (0.315 - 0.008) reel width w 1 14.4 . (0.567) max. quantity per reel -- 3,000 07/09
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