features guard ring for transient protection low power loss,high efficiency high current capability,low vf high surge capacity mechanical dat a case: ito-220ab molded plastic polarity: as marked on the body weight: 0.08ounces,2.24 grams mounting position :any dimensions in inches and (millimeters) maximum ratings and electrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave ,60hz, resistive or inductive load. for capacitive load, derate current by 20% srf srf srf srf srf srf srf 2030ct 2040ct 2050ct 2060ct 2080ct 20100ct 20150ct maximum recurrent peak reverse voltage v rrm 30 40 50 60 80 100 150 v maximum rms voltage v rms 21 28 35 42 56 70 105 v maximum dc blocking voltage v dc 30 40 50 60 80 100 150 v maximum average forward rectified current ( see fig.1) @t c =95 peak forward surge current 8.3ms single half sine-wave super imposed on rated load (jedec method) peak forward voltage at 10.0a dc(note1) v f 0.95 v maximum dc reverse current @t j =25 at rated dc bolcking voltage @t j =100 typical junction capacitance (note2) c j pf typical thermal resistance (note3) r jc /w operating temperature range t j storage temperature range t stg 4.the typical data above is for reference only( ?). rev. 7, 16-mar-2017 0.55 srf2030ct thru srf20150ct wheeling,and polarity protection applications notes:1.300us pulse width,2% duty cycle. schottky barrier rectifiers reverse voltage - 30 to 150 volts forward current - 20.0 amperes 0.70 characteristics unit 2.measured at 1.0 mh z and applied reverse voltage of 4.0v dc. 1.0 600 2.0 -55to+150 50 ma i r -55to+150 symbol metal of silicon rectifier , majority carrier conduction plastic package has ul flammability classification 94v-0 for use in low voltage,high frequency inverters,free 0.85 i (av) a 20 200 a i fsm 3.thermal resistance junction to case. ito-220ab max .511(13.0) .551(14.0) .020(0.50) .028(0.70) .095(2.41) .105(2.67) .020(0.50) .031(0.80) .118(3.0) .583(14.8) .622(15.8) .102(2.6) .386(9.8) .406(10.3) .118(3.0) .102(2.6) .189(4.8) .173(4.4) .114(2.9) .098(2.5) .059(1.5) .043(1.1) .071 (1.8) .138(3.5) .122(3.1) .118(3.0) .157(4.0)
rating and charactertic curves srf2030ct thru srf20150ct the cruve graph is for reference only, can't be the basis for judgment( ?)! rev. 7, 16-mar-2017 capacitance, (pf) fig.5 ? typical junction capacitance reverse voltage ,volts 0.1 10000 1000 100 1 10 100 t j = 25c f = 1 mhz fig. 2 ? maximum non-repetitive surge current number of cycles at 60hz peak forward surge current, amperes pulse width 8.3 ms single half-sine-wave (jedec method) 1 150 50 0 300 10 25 20 50 100 250 200 100 instantaneous reverse current,(ma) percent of rated peak reverse voltage,(%) fig.3-typical reverse characteristics 40 60 80 100 120 140 20 0.1 1.0 1000 10 0.01 0 100 t j =75c t j =100c t j =25c fig. 1 ? forward current derating curve case temperature ( ) a verage forward current amperes 5.0 0 25 15.0 20.0 50 75 100 125 150 175 10.0 single phase half wave 60hz resistive or inductive load instantaneous forward voltage,volts fig.4-typical forward characteristics instantaneous forward current, (a) 0 0.1 0.3 0.5 0.7 1.1 1.51.3 0.9 1.7 100 10 0.1 1.0 srf20150ct srf2030ct - srf2040ct srf2050ct- srf2060ct t j = 25c pulse width 300us 2% duty cycle srf2080ct - SRF20100CT
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