- 216 - sfas801g thru sfas808g 8.0 amps. glass passivated super fast rectifiers voltage range 50 to 600 volts current 8.0 amperes features low forward voltage drop high current capability high reliability high surge current capability mechanical data cases: d 2 pak molded plastic epoxy: ul 94v-o rate flame retardant terminals: leads solderable per mil-std-202, method 208 guaranteed polarity: as marked high temperature soldering guaranteed: 260 o c/10 seconds/.16?,(4.06mm) from case. weight: 2.24 grams d 2 pak dimensions in inches and (millimeters) maximum ratings and electrical 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% type number symbol sfas 801g sfas 802g sfas 803g sfas 804g sfas 805g sfas 806g sfas 807g sfas 808g units maximum recurrent peak reverse voltage v rrm 50 100 150 200 300 400 500 600 v maximum rms voltage v rms 35 70 105 140 210 280 350 420 v maximum dc blocking voltage v dc 50 100 150 200 300 400 500 600 v maximum average forward rectified current @t c = 100 i (av) 8.0 a 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 @ 8.0a v f 0.975 1.3 1.7 v maximum dc reverse current @ t a =25 at rated dc blocking voltage @ t a =100 i r 10 400 ua ua maximum reverse recovery time(note1) trr 35 ns typical junction capacitance (note 2) cj 80 60 pf typical thermal resistance (note 3) r jc 2.2 /w operating temperature range t j -65 to +150 storage temperature range t stg -65 to +150 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 v d.c. 3. thermal resistance from junction to cas. pin 1 pin 2 case positive
- 217 - ratings and characteristic curves (sfas801g thru sfas808g) fig.1- 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 fig.2- maximum forward current derating curve average for ward current . (a) 0 50 100 150 0 2 4 6 8 10 case temperature. ( c) o fig.3- typical reverse characteristics instantaneous reverse current .( a) 0 20 40 60 80 100 120 140 1000 0.1 1.0 10 100 percent of rated peak reverse voltage. (%) tc=25 c 0 tc=100 c 0 fig.4- maximum non-repetitive forward surge current peak for ward surge current . (a) 1 2 5 10 20 100 50 30 120 90 60 number of cycles at 60hz tc=125 c 0 8.3ms single half sine wave jedec method fig.5- typical junction capacitance capacitance.(pf) 15 2 10 20 50 100 200 500 50 60 70 80 90 100 reverse voltage. (v) tj=25 c 0 sfas801g~sf as804g sfas805g~sf as808g fig.6- typical forward characteristics instantaneous for ward current . (a) .4 .6 .8 1.0 1.2 1.4 1.6 1.8 .01 0.1 .03 1.0 0.3 10 3.0 30 100 forward voltage. (v) tj=25 c pulse width=300 s 1% duty cycle o sfas801g ~sf as804g sfas805g~sf as806g sfas807g~sf as808g
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