- 240 - .272(6.9) .248(6.3) .543(13.8) .512(13.2) .110(2.8) .098(2.5) .606(15.5) .583(14.8) .112(2.85) .100(2.55) .134(3.4)dia .113(3.0)dia
SFF2004G thru sff2005g isolation 20.0 amps. glass passivated super fast rectifiers voltage range 200 to 300 volts current 20.0 amperes features low forward voltage drop high current capability high reliability high surge current capability mechanical data cases: ito-220ab molded plastic epoxy: ul 94v-0 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 ito-220ab 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 SFF2004G sff2005g units maximum recurrent peak reverse voltage v rrm 200 300 v maximum rms voltage v rms 140 210 v maximum dc blocking voltage v dc 200 300 v maximum average forward rectified current @t c = 100 i (av) 20.0 a peak forward sur g e current, 8.3 ms sin g le half sine-wave superimposed on rated load (jedec method ) i fsm 180 a maximum instantaneous forward voltage @ 10.0a v f 0.975 1.30 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 pf typical thermal resistance (note 3) r jc 2.5 / 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 case m ounted on heatsink. size of 3" x 5" x 0.25" al-plate.
- 241 - fig.3- typical reverse characteristics instantaneous reverse current .( a) 0 20 40 60 80 100 120 140 1000 .10 1.0 10 100 percent of rated peak reverse voltage. (%) tc=25 c 0 tc=100 c 0 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 ratings and characteristic curves (SFF2004G thru sff2005g) fig.6- typical forward characteristics per leg 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) fig.5- typical junction capacitance per leg capacitance.(pf) 15 2 10 20 50 100 200 500 50 60 70 80 90 100 reverse voltage. (v) tj=25 c 0 fig.2- maximum forward current derating curve average for ward current . (a) 0 50 100 150 0 4 8 12 16 20 case temperature. ( c) o fig.4- maximum non-repetitive forward surge current per leg peak for ward surge current . (a) 1 2 5 10 20 100 50 50 200 150 100 number of cycles at 60hz 8.3ms single half sine wave jedec method tc=125 c 0 tj=25 c pulse width=300 s 1% duty cycle o sff2005g SFF2004G
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