sr502-lfr thru sr510-lfr page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com 5a schottky barrier rectifiers sr502-lfr thru sr510-lfr features z extremely low vf z low stored charge, majority carrier conduction z low power loss / high efficiency z ul 94v0 flame retardant epoxy molding compound z rohs mechanical data z case: transfer molded, do201ad , dimensions in inches and (millimeters) z leads: solderable per mil-std-202,method 208 z polarity: cathode indicated by color band z weight: 1.2 grams maximum ratings and electrical characteristics ratings at 25 c ambient temperature unless otherwise specified single phase, half wave, 60 hz, resistive or inducti ve load. for capacitive load, derate current by 20% ratings symbol sr502-lf r sr503-lf r sr504-lf r sr505-lf r sr506-lf r sr507-lf r sr508-lf r sr509-lf r sr510-lf r units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 70 80 90 100 v maximum rms voltage v rms 14 21 28 35 42 49 56 63 70 v maximum dc blocking voltage v dc 20 30 40 50 60 70 80 90 100 v average forward rectified current see fig.1 i o 5.0 a nom-repetitive peak forward surge current, 8.3ms half sine-wave i fsm 150 a typical junction capacitance (note1) c j 200 pf typical thermal resistance (note 2) r ja 25 /w storage temperature range t stg - 55 to + 150 operating temperature range t op - 55 to + 125 electrical characteristics (a t t a =25 c unless otherwise noted) characteristics symbol sr502-lf r sr503-lf r sr504-lf r sr505-lf r sr506-lf r sr507-lf r sr508-lf r sr509-lf r sr510-lf r units maximum forward voltage at io dc v f 0.55 0.7 0.85 v maximum reverse current at 25 i r 5.0 ma maximum reverse current at 100 i r 50.0 ma notes: 1. measured at 1 mhz and applied reverse voltage 0f 4.0 volts 2. both leads attached to heat sink at lead length 5mm .375(9.5) .335(8.5) 1.0(25.4) min .220(5.6) .197(5.0) 1.0(25.4) min .052(1.3) .048(1.2)
sr502-lfr thru sr510-lfr page: 2 20 40 60 80 100 120 140 150 rating and characteristic curves sr502-lfr thru sr510-lfr fig. 2 - maximum non-repetitive peak forward surge current 180 150 120 90 60 30 peak forward surge current amperes 1 2 5 10 20 50 100 number of cycles at 60h z fig. 4 - typical instantaneous forward characteristics 40 10 1.0 0.1 .01 instantaneous forward current amperes 0 0.2 0.4 0. 6 0. 8 1.0 1.2 1.4 1.6 instantaneous forward voltage volts fig. 5 - typical junction capacitance 1000 800 600 400 200 100 80 60 40 20 0.1 0.4 1.0 4 10 40 100 reverse voltage volts pulse width =300us 1% duty cycle fig. 1 - forward current derating curve 5.0 4.0 3.0 2.0 1.0 0 average forward current amperes lead temperature 0.357? (9.5mm) lead length fig. 3 - typical reverse characteristics 20 10 1.0 .10 .01 .001 instantaneous reverse current milliamperes 0 20 40 60 80 100 120 140 percent of rated peak reverse voltage t j = 25
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