creat by art ? high efficiency, low vf ? high current capability ? high reliability ? high surge current capability ? low power loss sf31 do-201ad 500 / ammo box a0 maximum ratings and el ectrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% symbol sf 31 sf 32 sf 33 sf 34 sf 35 sf 36 sf 37 sf 38 units v rrm 50 100 150 200 300 400 500 600 v v rms 35 70 105 140 210 280 350 420 v v dc 50 100 150 200 300 400 500 600 v i f(av) a ua ua trr ns cj pf r ja o c/w t j o c t stg o c green compound packing code a0g version:d13 ordering information (example) part no. package packing inner tape packing code 52mm storage temperature range - 65 to + 150 note 1: pulse test with pw=300 usec, 1% duty cycle note 2: reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a note 3: measured at 1 mhz and applied reverse voltage of 4.0v d.c. typical junction capacitance (note 3) 80 70 typical thermal resistance 35 operating temperature range - 65 to + 125 v maximum dc reverse current at rated @ t a =25 dc blocking voltage @ t a =125 i r 5 100 maximum reverse recovery time (note 2) 35 3 peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method) i fsm 125 a maximum instantaneous forward voltage (note 1) @ 3 a v f 0.95 1.3 1.7 ? weight: 1.2 grams type number maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current mechanical data ? cases: molded plastic ? epoxy: ul 94v-0 rate flame retardant ? lead: pure tin plated, lead free, solderable per mil-std-202, method 208 guaranteed ? polarity: color band denotes cathode ? high temperature soldering guaranteed: 260 /10 seconds/.375",(9.5mm) lead lengths at 5 lbs., (2.3kg) tension sf31 - SF38 3.0amps. super fast rectifiers features ? for use in low voltage, high frequency inverter, free wheeling, and polarity protection application ? green compound with suffix "g" on packing code & prefix "g" on datecode do-201ad
version:d13 ratings and characteristic curves (sf31 thru SF38) 0.0 1.0 2.0 3.0 4.0 0 25 50 75 100 125 150 average forward a current (a) ambient temperature ( o c) fig.1- maximum average forward current derating resistive or inductive load with heatsink 0 25 50 75 100 125 150 175 110100 peak forward surge current (a) number of cycles at 60 hz fig. 3- maximum non-repetitive forward surge current 8.3ms single half sine wave jedec method 0.1 1 10 100 1000 0 20 40 60 80 100 120 140 instantaneous reverse current (ua) percent of rated peak reverse voltage (%) fig.2- typical reverse characteristics ta=25 ta=100 40 60 80 100 120 140 160 180 0.1 1 10 100 1000 junction capacitance (pf) reverse voltage (v) fig. 4- typical junction capacitance sf35~SF38 sf31~sf34 0.1 1 10 100 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 instantaneous forward current (a) forward voltage (v) fig. 5- typical forward characteristics sf37~SF38 ta=25 pulse width=300us 1% duty cycle sf35~sf36 sf31~sf34
ordering information do-201ad 52mm a0 do-201ad 52mm r0 do-201ad b0 do-201ad x0 abzte O O symbol a b c d 1.2 4.0 1.6 note: "x" is device code from "1" thru "8". axial lead taping specifications outline suggested mounting hole rule unit(mm) 9.0 sf3x (note) 500 / ammo box a0g 1.25k / 13" reel r0g 500 / bulk packing b0g 500 / bulk packing x0g part no. package packing inner tape packing code green compound packing code
dimensions min max min max a 5.00 5.60 0.197 0.220 b 1.20 1.30 0.048 0.052 c 25.40 - 1.000 - d 8.50 9.50 0.335 0.375 e 25.40 - 1.000 - p/n = specific device code g = green compound yww = date code dim. unit(mm) unit(inch) marking diagram
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