- 250 - SFF501G thru sff508g isolation 5.0 amps. glass passivated super fast rectifiers voltage range 50 to 600 volts current 5.0 amperes f eatures low forward voltage drop high current capability high reliability high surge current capability m echanical data case: ito-220ab 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-220ab 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 sff 501g sff 502g sff 503g sff 504g sff 505g sff 506g sff 507g sff 508g unit s 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 .375 (9.5mm) lead length @t c = 100 i (av) 5.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 70 a maximum instantaneous forward voltage @2.5a v f 0.98 1.3 1.7 v maximum dc reverse current @ t a =25 at rated dc blocking voltage @ t a =100 i r 10.0 400 ua ua maximum reverse recovery time (note 1) trr 35 ns typical thermal resistance (note 3) r ja 5.5 /w typical junction capacitance (note 2) cj 70 50 pf 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. mounted on heatsink size of 2 in x 3 in x 0.25 in, al-plate.
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