low capacitance tvs array 1 05257.r3 12/07 www.protekdevices.com vsmf05lc applications ? computer notebooks ? communication systems & cellular phones ? printers ? personnal digital assitant(pda) ? video equipment iec compatibility (en61000-4) ? 61000-4-2 (esd): air - 15kv, contact - 8kv ? 61000-4-4 (eft): 40a - 5/50ns features ? 25 watts peak pulse power per line (tp=8/20s) ? monolithic structure ? available in 5 volts ? low clamping voltage ? esd protection > 40 kilovolts ? low leakage current ? low capacitance: 9pf ? protects four (4) unidirectional lines ? rohs compliant mechanical characteristics ? molded jedec sot-953 package ? weight 3 milligrams (approximate) ? available in lead-free nickel-paladium-gold plating ? solder reflow temperature: nickel-paladium-gold (ni/pd/au) sn/ag/cu: 260-270c ? consult factory for leaded device availability ? flammability rating ul 94v-0 ? 8mm tape and reel per eia standard 481 ? marking: marking code & pin one defined by dot on top of package 05257 sot-953 pin configuration
2 05257.r3 12/07 www.protekdevices.com vsmf05lc device characteristics storage temperature symbol v alue 1.0 v c -55c to 150c units t stg v f parameter maximum forward voltage @ 10ma peak pulse power (t p = 8/20s) - see figure 1 p pp 25 watts maximum ratings @ 25c unless otherwise specified operating temperature t l -55c to 150c c note 1: pins 1, 3, 4, 5, or 6 to pin 2. part number device marking minimum breakdown voltage @ 1ma v (br) volts maximum clamping voltage (see fig. 2) @8/20s v c @ i pp typical capacitance (see note 1) 0v @ 1 mhz c pf vsmf05lc 5a 6.0 12.0v @ 2.0a 9 maximum leakage current @v wm i d a 1 rated stand-off voltage v wm volts 5.0 electrical characteristics per line @ 25c unless otherwise specified 0 5 10 15 20 25 30 figure 2 pulse wave form figure 1 peak pulse power vs pulse time 0.01 1 10 100 1,000 10,000 t d - pulse duration - s 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 1 10 100 1,000 p pp - peak pulse current - watts 25w, 8/20s waveform
vsmf05lc 3 05257.r3 12/07 www.protekdevices.com graphs 0 2 4 6 8 10 i pp - peak pulse current - amps v c - clamping voltage - volts 0 4 8 12 16 figure 4 typical clamping voltage vs peak pulse curren 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
4 05257.r3 12/07 www.protekdevices.com vsmf05lc sot-953 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 -t74 = 7 inch reel - 4,000 pieces per 8mm tape, i.e., vsmf05lc-lf-t74. 3. suffix -t13 = 13 inch reel - 10,000 pieces per 8mm tape, i.e., vsmf05lc-lf-t13 . 4. suffix -lf = lead-free, nickel-paladium-gold platin, i.e., vsmf05lc-lf-t74 . a b c d g j k s 0.95 0.75 0.40 0.10 0.35 0.05 0.05 0.95 1.05 0.80 0.50 0.20 0.40 0.15 0.15 1.05 0.037 0.029 0.019 0.004 0.014 0.002 0.002 0.037 0.041 0.034 0.020 0.008 0.016 0.006 0.006 0.041 dim min max min max millimeters inches package dimensions notes 1. dimensioning and tolerances per ansi y14.5m, 1985. 2. controlling dimension: inches 3. pin 3 is the cathode (unidirectional only). 4. dimensions are exclusive of mold flash and metal burrs. package outline sot-953 mounting pad 0.008 0.028 0.014 0.035 0.008 1 2 3 4 5 0.20 0.70 0.35 0.90 0.20 dim millimeters inches typical
!!"#" $ % & ' !(%) ! *!)) +, tape & reel specifications (dimensions in millimeters) d e p0 tmax fp2 w 1.50 0.10 1.75 0.10 3.50 0.05 8.00 0.30 4.00 0.10 2.00 0.05 p 4.00 0.10 0.25 a0 b0 k0 reel dia. tape width 178mm (7?) 8mm 1.17 0.05 1.17 0.05 0.66 0.05 outline & dimensions: rev 0 - 9/06, 06061
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