inchange semiconductor isc product specification isc website www.iscsemi.cn isc & iscsemi is registered trademark 1 isc n-channel mosfet transistor IRF843 features lower input capacitance improved gate charge extended safe operating area rugged gate oxide technology description designed for use in switch mode power supplies and general purpose applications. absolute maximum ratings(t a =25 ) symbol parameter value unit v dss drain-source voltage 450 v v gs gate-source voltage-continuous 20 v i d drain current-continuous 7 a i dm drain current-single pluse 28 a p d total dissipation @t c =25 125 w t j max. operating junction temperature -55~150 t stg storage temperature -55~150 pdf pdffactory pro www.fineprint.cn
inchange semiconductor isc product specification isc website www.iscsemi.cn isc & iscsemi is registered trademark 2 thermal characteristics symbol parameter max unit r th j-c thermal resistance, junction to case 1 /w r th j-a thermal resistance, junction to ambient 80 /w pdf pdffactory pro www.fineprint.cn
inchange semiconductor isc product specification isc website www.iscsemi.cn isc & iscsemi is registered trademark 3 isc n-channel mosfet transistor IRF843 electrical characteristics t c =25 unless otherwise specified symbol parameter conditions min max unit v (br)dss drain-source breakdown voltage v gs = 0; i d = 0.25ma 450 v v gs (th ) gate threshold voltage v ds = v gs ; i d = 0.25ma 2 4 v r ds( on ) drain-source on-resistance v gs = 10v; i d =4.4a 1.1 i gss gate-body leakage current v gs = 20v;v ds = 0 500 na i dss zero gate voltage drain current v ds = 450v; v gs = 0 250 a v sd forward on-voltage i s = 8a; v gs = 0 2.0 v ciss input capacitance v ds =25v,v gs =0v, f=1.0mhz 1550 pf coss output capacitance 175 pf crss reverse transfer capacitance 75 pf switching characteristics (t c =25 ) symbol parameter conditions min typ max unit td(on) turn-on delay time v dd =250v,i d =8a r g =9.1 15 21 ns tr rise time 21 35 ns td(off) turn-off delay time 50 74 ns tf fall time 20 30 ns pdf pdffactory pro www.fineprint.cn
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