technical specification s of schottky barrier rectifier features mechanical data maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. sr2020 thru sr20100 to-220 rectifier specialists r dc components co., ltd. * low switching noise * low forward voltage drop * low thermal resistance * high current capability * high swiching capability * high surge capability * high reliability * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * mounting position: any * weight: 2.24 gram dimensions in inches and (millimeters) maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current at derating csae temperature peak forward surge current i fm (surge): 8.3 ms single half sine-wave superimposed on rated load (jedec method) typical junction capacitance (note 2) operating and storage temperature range symbol v rrm v rms amps 20 200 0 c units volts volts 20 30 40 50 60 80 100 14 21 28 35 42 56 70 20 30 40 50 60 80 100 100 volts amps 3.5 pf rqjc 0.70 2.0 mamps maximum forward voltage at 10a dc volts maximum dc reverse current at rated dc blocking voltage @t c = 25 o c @t c = 100 o c 0.85 sr2040 sr2060 sr20100 SR2030 sr2020 i fsm i o v dc v f i r t j, tstg c j -65 to +150 700 0 c/w note : 1. thermal resistance junction to case per leg. 2. measured at 1 mhz and applied reverse voltage of 4.0 volts. 3. suffix ?a?= common anode 4. suffix ?f? stands for ?ito-220? package. (e.g.: sr2020 f, SR2030f,.....etc) voltage range - 20 to 100 volts current - 20 amperes sr2080 sr2050 typical thermal resistance (note 1) .295(7.5) .197(5.0) .028(0.7) .012(0.3) .051 (1.3) .583(14.8) .500(12.7) .108 (2.7 5) .055(1.4) .043(1.1) .197(5.0) .148(3.8) .421(10.7) .374(9.5) .626(15.9) .528(13.4) .100 (2.54) .043(1.1) .024(0.6) .153(3.9) .142(3.6) .157 (4.0) typ typ typ .126 (3.2) typ * lead: mil-std-202e, method 208 guaranteed rev-1,apr/25/2013
r dc components co., ltd. rating and characteristic curves (sr2020 thru sr20100) sr2020 ~ sr2040 sr2050 ~ sr20100 sr2020 ~ sr2040 sr2050 ~ sr20100 sr2050 ~ sr20100 fig. 1 - typiical forward current derating curve average forward current, (a) 0 4 8 16 20 12 single phase half wave 60hz inductive or resistive load case temperature, ( oc) 0 50 100 150 fig. 2 - typiical reverse characteristics tc = 150oc tc = 125oc tc = 75oc tc = 25oc sr2020 ~ sr2040 instaneous reverse current, (ma) .001 .01 .1 1.0 10 0 20 40 60 80 100 120 140 percent of rated peak reverse vol tage, (%) fig. 3 - maximum non-repetitive forward surge current peak forward surge current, (a) 25 50 75 100 125 150 175 8.3ms single half sine-wave (jedec method) number of cycled at 60hz 1 2 5 10 20 50 100 fig. 4 - typical junction capacitance junction capacitance, (pf) 100 200 400 600 800 1000 2000 4000 reverse voltage, (v) .1 .4 1.0 4 10 40 80 100 fig. 5 - typical instantaneous for ward characteristics instantaneous forward current, (a) sr2020 ~ sr2040 sr2050 ~ sr20100 0.1 1.0 10 50 .1 .2 .3 .4 .5 .6 .7 .8 .9 instantaneous forward voltage, (v) pulse width = 300 ms 1% duty cycle rev-1,apr/25/2013
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