features low switching noise low forward voltage drop low thermal resistance high current capability high fast switching capability high surge capacity mechanical data case: ito-220ac molded plastic epoxy: ul94v-0 rate flame retadant lead: mil-std-202e method 208c guaranteed mounting position :any weight: 2.24 grams 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% herf herf herf herf herf herf herf herf 801 802 803 804 805 806 807 808 maximum recurrent peak reverse voltage v rrm 50 100 200 300 400 600 800 1000 v maximum rms voltage v rms 35 70 140 210 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 300 400 600 800 1000 v maximum average forward rectified current @t a =75 peak forward surge current 8.3ms single half sine-wave super imposed on rated load(jedec method) typical thermal resistance r ja /w typical junction capacitance (note2) c j pf peak instantaneous forward voltage at 8.0a dc v f v maximum dc reverse current @t j =25 at rated dc blocking voltage @t j =100 maximum reverse recovery time(note1) t rr ns operating and storage temperature range t j, t stg 3.the typical data above is for reference only( ?). rev. 8, 13-mar-2017 i fsm a 1.0 i r a 1.7 10 150 notes:1.measured with i f =0.5a,i r =1a,i rr =0.25a 2.measured at 1.0 mhz and applied reverse voltage of 4.0v dc. herf801 thru herf808 a i o high efficiency glass passivated rectifiers unit symbol characteristics reverse voltage - 50 to 1000 volts forward current - 8.0 amperes dimensions in inches and (millimeters) 60 75 -55 to + 150 8.0 150 2.5 40 1.3 ito-220ac .020(0.50) .031(0.80) .028(0.70) .020(0.50) .102(2.6) .118(3.0) .583(14.8) .622(15.8) .122(3.1) .138(3.5) .551(14.0) .511(13.0) .043(1.1) .059(1.5) .098(2.5) .114(2.9) .173(4.4) .189(4.8) .102(2.6) .118(3.0) .406(10.3) .386(9.8) .105(2.67) .095(2.41) .157(4.0) .118(3.0) .04 max (1.0)
rating and charactertic curves herf801 thru herf808 the cruve graph is for reference only, can't be the basis for judgment( ?)! rev. 8, 13-mar-2017 a mbietn temperature a verage forward current,(a) fig.1- typical forward current derating curve single phase half wave 60h z resistive or inductive load 10 150 8 4 2 0 6 100 50 0 reverse voltage,(v) junction capacitance(pf) fig.5-typical junction capacitance 4 1 2 10 20 40 0.1 0.40.2 100 2 10 4 1 40 200 20 100 t j =25c instantaneous reverse current(ua) percent of rated peak reverse voltage(%) fig.2-typical reverse characteristics 1.0 10 0.1 40 60 80 100 120 140 20 1000 100 t j =25c t j =100c instantaneous forward current,(a) 0.2 1.0 0.1 10 40 1.0 1.2 1.4 1.6 1.8 2.0 0.80.6 20 4 2 0.4 instantaneous forward voltage, (v) fig.4-typical instantaeous forward characteristics herf801 -herf803 herf804 - herf805 herf806 - herf808 t j =25c pulse width 300us 1% duty cycle peak forward surge current,(a) fig.3-maximum non-repetitve forward surge current number of cycles at 60h z 180 90 100 50 20 5 2 110 120 150 8.3 ms single half-sine-wave (jedec metod) 0 30 60
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