dimensions in inches and (millimeters) maximum ratings and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. -65 to +175 scfr3518 symbol v rrm v rms v b i (av) i fsm v f i r t j , t stg scfr3520 scfr3530 34-45 24-32 28 20 28 20 35 0.5 400 200 unit v v v v a a ua ua o c 19-24 16 16 1.2 maximum peak repetitive reverse voltage@irrm=100ma maximum rms voltage maximum dc blocking voltage(t a =25 o c) maximum average forward current io@tc=150 o c peak forward surge current, 8.3ms single maximum inst. forward voltage drop, maximum dc reverse current (v b )@t j =25 o c operating junction and storage temperature range 60 hz, resistive or inductive load half sine-wave superimposed on rated load (jedec method) i f at 80amp at rated dc blocking voltage (v b )@t j =150 o c ? weight: 0.62gram features ? l o w forward voltage drop ? high current capability ? case: ofc heat sink ? high surge current capability ? encap: epoxy sealed rated mechanical data ? high reliability ul94v-0 max. 6.55 max. 7.5 m i n . 0. 75 m i n. 1 . 0 m a x . 3 soza cell scfr3518~3530 35 amps soza cell mechanical dimension descriptions auto avalanche diodes
ratings and characteristic curves scfr3518 ~scfr3530 fig.1 - forward current derating curve fig.3 - typical instantaneous forward characteristics average forward rectified current, amperes 35 25 20 10 30 iinstantaneous forward current, amperes 10 100 1000 1 0.4 0.2 0.6 0.8 1.0 1.2 1.4 1.6 0 0 50 75 125 150 25 100 175 case temperature, o c instantaneous forward voltage, volts fig.2 - maximum non-repetitive peak forward surge current peak forward surge current, amperes number of cycles at 60hz 0 100 200 250 300 350 400 1 10 100 fig.4 - typical reverse characteristics percent of rated peak reverse voltage,% instantaneous reverse current, microamperes 0.01 0 0.1 1 100 10 20 40 60 80 100 60 hz resistive or inductive load pulse width 8.3ms single half-sire-wave (jedec method) t j =25 o c pulse width=300us 1% duty cycle t j =150 o c t j =25 o c 35 amps soza cell auto avalanche diodes
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