dimensions in inches and (millimeters) version: a06 sfr1t1 - sfr1t7 1.0 amp. soft fast recovery rectifiers ts-1 features low forward voltage drop high current capability high reliability high surge current capability fast switching for high efficiency 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 end high temperature soldering guaranteed: 260 o c /10 seconds/.375?,(9.5mm) lead lengths at 5 lbs.,(2.3kg) tension weight: 0.20 gram maximum ratings and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol sfr 1t1 sfr 1t2 sfr 1t3 sfr 1t4 sfr 1t5 sfr 1t6 sfr 1t7 units maximum recurrent peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v maximum average forward rectified current .375?(9.5mm) lead length @t a = 55 o c i (av) 1.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 30 a maximum instantaneous forward voltage @ 1.0a v f 1.2 v maximum dc reverse current @ t a =25 o c at rated dc blocking voltage @ t a =125 o c i r 5.0 150 ua ua maximum reverse recovery time ( note 1 ) trr 120 200 350 ns typical junction capacitance ( note 2 ) cj 10 pf typical thermal resistance r ja 90 o c/w operating temperature range t j -65 to +150 o c storage temperature range t stg -65 to +150 o c notes: 1. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a 2. measured at 1 mhz and applied reverse voltage of 4.0 volts d.c. 3. mount on cu-pad size 5mm x 5mm on p.c.b.
tj=25 c pulse width=300 s 1% duty cycle o tj=2 5 c 0 r a ting s an d characteristi c cu r ve s (sfr1t 1 thr u sfr1t7) fig.5 - typica l fo r w ar d characteristics r o f s u o e n a t n a t s n i t n e r r u c d r a w ) a ( . 1. 6 1.8 0. 4 0. 6 0. 8 1. 0 1. 2 1.4 10 20 0.1 .01 .03 0.3 1.0 3.0 fo r w ar d vo l t age . (v) fig.1- maximum forward current derating curve average for ward current amperes 25 0 50 75 100 125 150 175 .50 0 .25 .75 1.0 ambient temperature. ( c) o single phase half wave 60hz resistive or inductive load 0.375"(9.5mm) lead length fig.4- typical junction capacitance junction cap acitance.(pf) 1 2 4 6 10 100 60 40 20 reverse voltage. (v) fig.3- maximum non-repetitive forward surge current peak for ward surge current . (a) 10 8 1246 40 20 100 80 60 50 40 30 20 10 0 number of cycles at 60hz 8.3ms single half sine wave jedec method 1 50 30 10 90 20 70 fig.6- reverse recovery time characteristic and test circuit diagram 50 noninductive non inductive oscilloscope (note 1) pulse generator (note 2) dut (+) 50vdc (approx) (-) notes: 1. rise time=7ns max. input impedance= 1 megohm 22pf 2. rise time=10ns max. sourse impedance= 50 ohms (-) (+) 10 noninductive -1.0a -0.25a 0 +0.5a trr 1cm set time base for 5/ 10ns/ cm version: a06 fig.2- typical reverse characteristics per leg 0 20 40 60 80 100 120 140 percent of rated peak reverse voltage. (%) 1000 100 10 1.0 0.1 tj=125 c 0 tj=25 c 0 tj=75 c 0 instantaneous reverse current .( a)
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