- 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.
pin 1 pin 3 positive ct pin 2
- 251 - fig.3- typical reverse characteristics 0 20 40 60 80 100 120 140 1000 0.1 1 10 100 percent of rated peak reverse voltage. (%) tj=25 c 0 tj=100 c 0 instantaneous reverse current .( a) 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 (SFF501G thru sff508g) 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.4- maximum non-repetitive forward surge current per leg peak for ward surge current . (a) 1 2 5 10 20 100 50 number of cycles at 60hz tj=125 c 0 8.3ms single half sine wave jedec method 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 SFF501G~sff504g s f f 5 0 5 g ~ s f f 5 0 8 g fig.6- typical forward characteristics per leg 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 SFF501G~sff504g sff505g~sf506g tj=75 c 0 70 60 50 40 30 0 40 sff507g~sf508g 1000
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