- 66 - sr502 thru sr520 5.0 amps. schottky barrier rectifiers voltage range 20 to 100 volts current 5.0 amperes features low forward voltage drop high current capability high reliability high surge current capability mechanical data cases: do-201ad molded plastic epoxy: ul 94v-o rate flame retardant lead: axial leads, solderable per mil-std-202, method 208 guaranteed polarity: color band denotes cathode end high temperature soldering guaranteed: 260 o c/10 seconds/.375?,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension weight: 1.1 grams do-201ad 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 sr 502 sr 503 sr 504 sr 505 sr 506 sr 509 sr 510 sr 520 units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 90 100 200 v maximum rms voltage v rms 14 21 28 35 42 63 70 140 v maximum dc blocking voltage v dc 20 30 40 50 60 90 100 200 v maximum average forward rectified current see fig. 1 i (av) 5.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 200 150 a maximum instantaneous forward voltage @5.0a v f 0.55 0.70 0.85 1.05 v maximum d.c. reverse current @ t a =25 at rated dc blocking voltage @ t a =100 i r 0.5 50 0.2 10 0.010 10 ma ma typical thermal resistance (note 1) r ja r jc 35 5 10 2 /w typical junction capacitance (note 2) cj 250 210 120 pf operating junction temperature range t j -65 to +125 -65 to +150 storage temperature range t stg -65 to +150 notes: 1. mount on cu-pad size 16mm x 16mm on p.c.b. 2. measured at 1 mhz and applied reverse volta g e of 4.0v d.c.
-67- ratings and characteristic curves (sr502 thru sr520) fig.2- maximum non-repetitive forward surge current peak for ward surge current . (a) 1 2 5 10 20 100 50 50 100 150 250 200 300 number of cycles at 60hz 8.3ms single half sine wave jedec method fig.4- typical forward characteristics instantaneous for ward current . (a) .2 .3 .4 .5 .6 .7 .8 .9 0.1 1.0 10 40 forward voltage. volts tj=25 c pulse width=300 s 1% duty cycle o sr502-sr504 SR505-sr506 fig.1- maximum forward current derating curve average for ward current . (a) 0 20 40 60 80 100 120 150 0 1 2 3 4 5 lead temperature. ( c) o single phase half wave 60hz resistive of inductive load 0.375"(9.5mm) lead length sr502-sr504 SR505-sr520 fig.3- typical reverse characteristics instantaneous reverse current . (ma) 0 20 40 60 80 100 120 140 .001 .01 .10 1.0 10 20 percent of rated peak reverse voltage. (%) tj=125 c 0 tj=25 c 0 SR505-10 sr502-4 tj=75 c 0 fig.5- typical junction capacitance junction cap acitance.(pf) .1 .4 1.0 4 10 40 80 100 10 20 40 60 100 80 300 700 reverse voltage. (v) sr502-sr504 tj=25 c 0 sr502-sr510 sr520 sr520 sr509-sr520 sr520 sr509-sr510 500 SR505-sr506
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