- 186 - version: d09 sfas801g - sfas808g 8.0 amps. surface mount super fast rectifiers d 2 pak features high efficiency, low vf high current capability high reliability high surge current capability low power loss. for use in low voltage, high frequency inventor, free wheeling, and polarity protection application mechanical data cases: d 2 pak molded plastic epoxy: ul 94v-0 rate flame retardant terminals: pure tin plated, lead free. 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: 1.33 grams 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 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 rec tified current @t c = 100 o c 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 volta g e @ 8.0a v f 0.975 1.3 1.7 v maximum dc reverse current @ t a =25 o c at rated dc blocking voltage @ t a =100 o c 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 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 v d.c. 3. mounted on heatsink size of 2? x 3? x 0.25?.
ratings and characteristic curves (sfas801g thru sfas808g) fig.6- reverse recovery time characteristic and test circuit diagram 50w noninductive 1w 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 (-) (+) 10w noninductive -1.0a -0.25a 0 +0.5a trr 1cm set time base for 5/ 10ns/ cm fig.1- maximum forward current derating curve average forward current. (a) 0 50 100 150 0 2 4 6 8 10 o case temperature. ( c) fig.3- maximum non-repetitive forward surge current peak forward surge current. (a) 1 2 5 10 20 100 50 150 120 90 60 30 0 number of cycles at 60hz 0 tj=125 c 8.3ms single half sine wave jedec method fig.5- typical forward characteristics instantaneous forward current. (a) 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.01 0.1 0.03 1 0.3 10 3 30 100 forward voltage. (v) o tj=25 c pulse width=300 s 1% duty cycle sfas 8 01 g ~ sfas 8 0 4g sf as80 5g~sfas806g sf as 807g~s f as808g fig.2- typical reverse characteristics 0 20 40 60 80 100 120 140 1000 0.1 1 10 100 percent of rated peak reverse voltage. (%) 0 tj=25 c 0 tj=100 c instantaneous reverse current. ( a) fig.4- typical junction capacitance capacitance.(pf) 1 52 10 20 50 100 200 500 50 60 70 80 90 100 reverse voltage. (v) 0 tj=25 c sfas 80 1g~sfa s8 04 g sfas805g ~s fas808g 40 1000 version: d09
|
