sm20mt05c thru sm20mt24c 1 05079.r7 4/05 www .protekde vices.com standard capacitance tvs arra y only one name means protektion? applications ? parallel port ? rs-232, rs-422 & rs-423 data lines ? industrial & instrumentation equipment ? board level interface protection ? i/o port protection 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 ? 1500 watts peak pulse power per line (tp=8/20s) ? esd protection > 40 kilovolts ? protection for 8 or 9 bidirectional data lines ? externally low clamping voltage ? available in 4 voltage types ranging from 5v to 24v ? bidirectional configuration ? monolithic design ? rohs compliant in lead-free versions mechanical characteristics ? molded jedec so-20wb (wide body) package ? weight 0.5 grams (approximate) ? available in tin-lead or lead-free pure-tin plating(annealed) ? solder reflow temperature: tin-lead - sn/pb, 85/15: 240-245c pure-tin - sn, 100: 260-270c ? flammability rating ul 94v-0 ? 24mm tape and reel per eia standard 481 ? marking: logo, part number, date code & pin one defined by dot on top of package so-20wb (wide body) 05079 pin configura tions
in 1 in 2 in 3 in 4 in 5 gnd in 6 in 7 in 8 i n 9 out 1 out 2 out 3 out 4 out5 gnd out 6 out 7 out 8 out 9
gnd in 1 in 2 in 3 in 4 in 5 in 6 in 7 in 8 gnd gnd out 1 out 2 out 3 out4 out 5 out 6 out 7 out 8 gnd equal to 8 bidirectional tvs devices equal to 9 bidirectional tvs devices
2 www .protekde vices.com 05079.r7 4/05 sm20mt05c thru sm20mt24c device characteristics maximum ratings @ 25c unless otherwise specified operating temperature symbol value -55 c to 150 cc c -55 c to 150 c units t j t stg parameter storage temperature peak pulse power (t p = 8/20s) - see figure 1 p pp 1500 w atts electrical characteristics per line @ 25c unless otherwise specified pa rt number (see note 1) rated stand-off voltage v wm volts minimum breakdown voltage @ 1ma v (br) volts maximum clamping voltage (see fig. 2) @ i pp = 10a v c volts sm20mt05c sm20mt08c sm20mt15c sm20mt24c 5.0 8.0 15.0 24.0 6.5 10.0 18.0 25.0 9.5 13.0 23.0 31.0 11.0 17.0 26.0 36.0 maximum leakage current @v wm i d a maximum capacitance @v wm , 1 mhz c pf 50 10 4 4 700 360 250 140 note 1: these devices are bidirectional only. electrical characteristics apply in both directions. the monolithic tvs array is base d on 10 unidirec- tional p/n junctions with a common cathode and can be configured to offer 8 to 9 bidirectional lines of protection. the inputs are symmetrical and can be reversed for specific application layout requirements. maximum clamping voltage (see fig. 2) @ i pp = 25a v c volts
3 www .protekde vices.com 05079.r7 4/05 sm20mt05c thru sm20mt24c 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 1,500w 8/20s waveform 100 1,000 10,000 100,000 p pp - peak pulse power - watts figure 1 peak pulse power vs pulse time
4 www .protekde vices.com 05079.r7 4/05 sm20mt05c thru sm20mt24c copyright ? protek devices 2005 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 selection or specifications of such products. package outline & dimensions 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 .protekde vices .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., sm20mt05c-t13. 3. suffix - lf = lead-free, pure-tin plating, i.e., sm20mt05c-lf-t13. 4. no suffix = product shipped in tubes of 37 pcs per tube. outline & dimensions: rev 1 - 11/01, 06018 a b c d f g j k p r 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 12.65 7.40 2.35 0.35 0.50 1.27 bsc 0.25 0.10 10.05 0.25 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 protrusions. 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 (wide body) mounting pad -a- p d g -t- k c j r x 45 o 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 0.050? typ 0.030? 0.005? 0.420? min 0.325? 0.005? 0.045? 0.005? 0 o - 7 o -b-
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