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| ! "#$ % && ' ( ) ( * % + * * ( ,-, ' ) . / 0( ( 1. & .%%2. 2 3 !"# $%& ! ! ! "#$ %$ &! ' ! ! ( %$ )! * * #$ * ) + , ! )! * * + - . $/ 0 %1#$ # * )! 2!- ! !! & $34 - ) 0 " 0 ! . 1 0 % $ + , ! 2!- ! !! 2 $34 - ) 0 5"! ) % , ) 0 ( 6$ ) + , ! )! +-! + + - . %$ 0 ! 0 ( 66$ 7 8! . ! ! 2!- ! * * 2 2 %$0 + !0 ! /$/ * )! !! * * 0 + !0 ! /9/ ' ( % 340 * %$*0 ! /6:$ 2 .! ( ( /%/9 17 forward voltage 0.1 1 10 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 DF20SC4M tc=150 c [max] tc=25 c [max] pulse measurement per diode tc=150 c [typ] tc=25 c [typ] forward voltage v f [v] forward current i f [a] 100 1000 DF20SC4M 0.1 1 10 0.05 0.5 0.2 20 50 5 2 200 500 2000 5000 0.02 0.05 0.5 0.2 20 5 2 0.005 0.002 reverse voltage v r [v] junction capacitance cj [pf] f=1mhz tc=25 c typ per diode junction capacitance reverse current 0.1 1 10 100 1000 0 5 10 15 20 25 30 35 40 DF20SC4M tc=150 c [max] tc=150 c [typ] pulse measurement per diode tc=125 c [typ] tc=100 c [typ] tc=75 c [typ] reverse voltage v r [v] reverse current i r [ma] 0 5 10 15 20 25 30 35 0 10 20 30 40 50 DF20SC4M 0.3 reverse power dissipation tj = 150 c sin 0.2 0.5 d=0.05 dc 0.1 0.8 0 t p v r t d=t p /t reverse voltage v r [v] reverse power dissipation p r [w] 0 t p i o t d=t p /t 0 5 10 15 20 0 5 10 15 20 25 30 35 DF20SC4M 0.3 forward power dissipation tj = 150 c sin 0.2 0.1 d=0.8 dc 0.5 0.05 average rectified forward current i o [a] forward power dissipation p f [w] 0 t p i o t d=t p /t 0 5 10 15 20 25 30 35 40 0 20 40 60 80 100 120 140 160 DF20SC4M 0.3 derating curve v r = 20v sin 0.2 0.1 d=0.8 dc 0.5 0.05 0 v r case temperature tc [ c] average rectified forward current i o [a] peak surge forward capability 0 50 100 150 200 250 300 350 400 1 10 100 DF20SC4M 2 5 20 50 i fsm 10ms 10ms 1 cycle number of cycles [cycles] peak surge forward current i fsm [a] non-repetitive, sine wave, tj=25 c before surge current is applied t p i rp 0 v r 0.5i rp v rp i r p rrsm = i rp v rp 0 20 40 60 80 100 120 0 50 100 150 sbd repetitive surge reverse power derating curve junction temperature tj [ c] p rrsm derating [%] 0.1 1 10 1 10 100 sbd repetitive surge reverse power capability pulse width t p [ m s] p rrsm (t p ) / p rrsm (t p =10 m s) ratio t p i rp 0 v r 0.5i rp v rp i r p rrsm = i rp v rp |
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