fast switching diodes features mechanical data fast switching speed surface mount package ideally suited for automatic insertion for general purpose switching applications high conductance maximum ratings and electrical characteristics 300 150 2.0 1.0 200 250 125 -65 to +150 100 maximum ratings and electrical characteristics, single diode @t a =25c v symbols units v rrm v rwm v r peak repetitive peak reverse voltage working peak reverse voltage dc blocking voltage rms reverse voltage forward continuous current average rectified output current peak forward current @=1.0 * s @=1.0s power dissipation thermal resistance junction to ambient junction temperature storage temperature non-repetitive peak reverse voltage t j t stg v rm v ma ma a mw c/w c c v limits 75 53 v r(rms) i fm i o pd electrical ratings @t a =25c symbols conditions v f1 v f2 v f3 v f4 i r1 i r2 c t t rr froward voltage reverse current capacitance between terminals reverse recovery time parameter parameter min. typ. max. unit v v v v ua na pf ns i f =1.0ma i f =10ma i f =50ma i f =150ma v r =75v v r =20v v r =0v,f=1.0mhz i f =i r =10ma irr=0.1xi r ,r l =100 i fsm r q ja 0.715 0.855 1.0 1.25 1 25 2 4 sod-323 1.35(0.053) 1.15(0.045) 1.00(.040) 0.80(.031) .08(.003) min .177(.007) .089(.003) 0.4(0.016) .25(0.010) 1.26(.050) 1.24(.048) .305(0.012) .295(0.010) 0.1(0.004) min .72(0.028) .69(0.027) 1.80(0.071) 1.60(0.063) 2.75(0.108) 2.30(0.091) 1.80(0.071) 1.60(0.063) 2.75(0.108) 2.30(0.091) dimensions in millimeters and (inches) case : molded plastic body terminals : plated leads solderable per mil-std-750, method 2026 polarity : polarity symbols marked on case marking : t4 IN4148WS
0 100 200 t j junction temperature ( c ) fig. 2-leakage current vs junction temperature fig. 1- forward characteristics i f ,instantaneous forward current(ma) i r , leakage current(na) 10,000 1000 100 10 1 0 1 2 1000 100 10 1.0 0.1 0.01 v f instantaneous forward voltage.(v) ratings and characteristic curves 1n4148ws the cruve g ra p h is for reference onl y , can't be the basis for j ud g ment ( ? ) !
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