schottky barrier rectifier voltage range 20 to 60 volts current 20 amperes rectron semiconductor technical specification features * low switching noise * low forward voltage drop * low thermal resistance * high current capability * high switching capability * high surge capabitity * high reliability mechanical data maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. * case: t o-220 m olded plastic * epoxy: device has ul flammability classification 94v-o * lead: mil-std-202e method 208c guaranteed * mounting position: any * weight: 2.24 grams sr2020c thru sr2060c to-220 maximum ra tings (at t a = 25 o c unless otherwise noted) electrical characteristics (at t a = 25 o c unless otherwise noted) notes : 1. thermal resistance junction to case. 2. suffix a = common anode. dimensions in inches and (millimeters) 3. measured at 1 mhz and applied reverse voltage of 4.0 volts. 2002-11 ratings maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current at derating case temperature peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) typical thermal resistance (note 1) typical junction capacitance (note 3) symbol v rrm v dc i fsm c j t stg v rms units volts volts volts amps 20 150 3 700 amps 0 c/w 0 c storage temperature range r q jc i o pf operating temperature range t j sr2020c 20 -55 to + 150 -55 to + 150 0 c sr2035c sr2030c SR2040C sr2045c sr2050c sr2060c 30 35 40 45 50 60 14 21 25 28 32 35 42 20 30 35 40 45 50 60 500 characteristics maximum average reverse current at rated dc blocking voltage v f symbol i r mamps maximum instantaneous forward voltage at 10.0a dc volts 10 100 @t c = 25 o c @t c = 100 o c .65 mamps units sr2020c sr2035c sr2030c SR2040C sr2045c sr2050c sr2060c .75 .153 ( 3.9 ) .413 ( 10.5 ) .108 .051 .374 ( 9.5 ) ( 2.75 ) ( 1.3 ) .148 ( 3.8 ) .053 ( 1.3 ) .047 ( 1.2 ) .270 ( 6.9 ) .610 ( 15.5 ) .583 ( 14.8 ) .035 (0.9) .102 ( 2.6 ) .091 ( 2.3 ) .028 ( 0.7 ) .583 ( 14.8 ) .157 .126 ( 4.0 ) ( 3.2 ) .531 ( 13.5 ) .028 ( 0.7 ) .020 ( 0.5 ) .230 ( 5.8 ) .187 ( 4.7 ) .146 ( 3.7 )
rectron rating and characteristic curves ( sr2020c thru sr2060c ) fig. 1 - typical forward current derating curve average forward current, (a) case temperature, ( ) 0 50 100 150 20 16 12 8 4 0 single phase half wave 60hz inductive or resistive load sr2020c~sr2045c sr2050c~sr2060c fig. 4 - typical junction capacitance junction capacitance, (pf) reverse voltage, ( v ) 4000 2000 1000 800 600 400 200 100 .1 .4 1.0 4 10 40 80 100 sr2020c~sr2045c sr2050c~sr2060c fig. 2 - typical reverse characteristics instantaneous reverse current, (ma) percent of rated peak reverse voltage, (%) 10 1.0 .1 .01 .001 20 0 40 60 80 100 120 140 t c = 150 t c = 125 t c = 75 t c = 25 sr2020c~sr2045c sr2050c~sr2060c fig. 5 - typical instantaneous forward characteristics instantaneous forward current, (a) instantaneous forward voltage, (v) 50 10 1.0 0.1 .1 .2 .3 .4 .5 .6 .7 .8 .9 t j = 125 t j = 25 pulse width=300us 1% duty cycle fig. 3 - maximum non-repetitive forward surge current peak forward surge current, (a) number of cycles at 60hz 175 150 125 100 75 50 25 1 2 5 10 20 50 100 8.3ms single half sine-wave (jeded method)
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