sm20m05-18 standard capacitance tvs array 1 05067.r6 5/07 www.protekdevices.com applications ? multiple i/o port protection ? board level interface connection ? rs-232, rs-422 & rs-423 data lines ? portable electronics iec compatibility (en61000-4) ? 61000-4-2 (esd): air - 15kv, contact - 8kv ? 61000-4-4 (eft): 40a - 5/50ns ? 61000-4-5 (surge): 24a, 8/20s - level 2(line-gnd) & level 3(line-line) features ? 200 watts peak pulse power per line (tp=8/20s) ? esd protection > 25 kilovolts ? unidirectional configuration ? monolithic design ? protection 18 i/o lines ? rohs compliant mechanical characteristics ? molded jedec so-20wb (wide body) package ? weight 0.5 grams (approximate) ? available in lead-free pure-tin plating(annealed) ? solder reflow temperature: pure-tin - sn, 100: 260-270c ? consult factory for leaded device availability ? flammability rating ul 94v-0 ? 24mm tape and reel per eia standard 481 ? marking: logo, marking code, date code & pin one defined by dot on top of package 05067 pin configuration so-20wb
gnd gnd
2 05067.r6 5/07 www.protekdevices.com sm20m05-18 device characteristics storage temperature symbol v alue c -55 to 150 units t stg parameter peak pulse power (t p = 8/20s) - see figure 1 p pp 200 watts maximum ratings @ 25c unless otherwise specified operating temperature t l -55 to 150 c electrical characteristics per line @ 25c unless otherwise specified part number device marking code minimum breakdown voltage @ 1ma v (br) volts maximum clamping voltage (see fig. 2) @ i p = 1a v c volts maximum clamping voltage (see fig. 2) @8/20s v c @ i pp maximum capacitance @0v, 1 mhz c j pf sm20m05-18 9.8 12.0v@ 16.0a 120 maximum leakage current @v wm i d a 20 rated stand-off voltage v wm volts 5.0 6.0 veb maximum forward voltage @200 ma v f volts 1.25
3 05067.r6 5/07 www.protekdevices.com sm20m05-18 graphs 0 25 50 75 100 125 150 t l - lead temperature - c 20 40 60 80 100 % of rated power peak pulse power 8/20s average power figure 3 power derating curve 0 0 5 10 15 20 25 30 t - time - s 0 20 40 60 80 100 120 i pp - peak pulse current - % of i pp test waveform parameters t f = 8s t d = 20s t f peak value i pp e -t t d = t i pp /2 figure 2 pulse wave form 0.1 1 10 100 1,000 10,00 0 t d - pulse duration - s 200w 8/20s waveform 10 100 1,000 10,000 p pp - peak pulse power - watts figure 1 peak pulse power vs pulse time
4 05067.r6 5/07 www.protekdevices.com sm20m05-18 so-20wb package outline & dimensions copyright ? prot ek devices 2007 specifications: protek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except jedec). design changes: protek reserves the right to discontinue product lines without notice, and that the final judgement concerning selection and specifications is the buyer?s and that in furnishing engineering and technical assistance, protek assumes no responsibility with respect to the s election or specifications of such products. protek devices 2929 south fair lane, tempe, az 85282 tel: 602-431-8101 fax: 602-431-2288 e-mail: sales@protekdevices.com web site: www.protekdevices.com tape & reel/bulk ordering nomenclature 1. surface mount product is taped and reeled in accordance with eia-481. 2. suffix-t13 = 13 inch reel - 1,000 pieces per 24mm tape, i.e., sm20m05-18-t13. 3. suffix - lf = lead-free, pure-tin plating, i.e., SM20M05-18-LF-t13. 4. no suffix = product shipped in tubes of 37 pcs per tube. a b c d f g j k p r 12.65 7.40 2.35 0.35 0.50 1.27 bsc 0.25 0.10 10.05 0.25 12.95 7.60 2.65 0.49 0.90 1.27 bsc 0.32 0.25 10.55 0.75 0.499 0.292 0.093 0.014 0.020 0.05 bsc 0.010 0.004 0.395 0.010 0.510 0.299 0.104 0.019 0.035 0.05 bsc 0.012 0.009 0.415 0.029 dim min max min max millimeters inches package dimensions notes 1. - t - = seating plane and datum surface. 2. dimensions ?a? and ?b? are datum. 3. dimensions ?a? and ?b? do not include mold protrusion. 4. maximum mold protrusion is 0.015? (0.380 mm) per side. 5. dimensioning and tolerances per ansi y14.5m, 1982. 6. dimensions are exclusive of mold flash and metal burrs. package outline so-20wb mounting pad -a- p d g -t- k c j r x 45o f 0.010? (0.25 mm) m b m 10 pl 0.010? (0.25 mm) s b m 20 pl t a s 20 11 10 1 0o - 7o -b- 0.050? typ 0.030? 0.005? 0.420? min 0.325? 0.005? 0.045? 0.005? outline & dimensions: rev 1 - 11/01, 06018
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