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sfaf801g thru SFAF808G isolation 8.0 amps. glass passivated super fast rectifiers voltage range 50 to 600 volts current 8.0 amperes f eatures low forward voltage drop high current capability high reliability high surge current capability m echanical data cases: ito-220ac molded plastic epoxy: ul 94v-o rate flame retardant terminals: leads solderable per mil-std-202, method 208 guaranteed polarity: as marked high temperature so ldering guaranteed: 260 o c/10 seconds 0.25?,(6.35mm) from case. weight: 2.24 grams mounting torque: 5 in ? 1bs. max. ito-220ac dimensions in inches and (millimeters) m aximum 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 sfaf 801g sfaf 802g sfaf 803g sfaf 804g sfaf 805g sfaf 806g sfaf 807g sfaf 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 (note 1) trr 35 ns typical junction capacitance (note 2) cj 90 60 pf typical thermal resistance (note 3) r jc 4.0 /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 applie d reverse voltage of 4.0 v d.c. 3. mounted on heatsink size of 2 in x 3 in x 0.25 in al-plate. free datasheet http://
- 265 - ratings and characteristic curves (sfaf801g thru SFAF808G) 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 10 100 percent of rated peak reverse voltage. (%) tj=75 c 0 tj=100 c 0 fig.4- maximum non-repetitive forward surge current peak for ward surge current . (a) 1 2 5 10 20 100 50 150 120 90 60 30 0 number of cycles at 60hz tj=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 sfaf801g~sf af804g sfaf805g~sf af808g 1000 40 tj=25 c 0 fig.6- typical forward characteristics instantaneous for ward 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) tj=25 c pulse width=300 s 1% duty cycle o sfaf801g ~sf af804g sfaf805g~sff a806g sfaf807g~sf af808g free datasheet http://
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