smd type www.kexin.com.cn 1 diodes surface mount fast switching diode array kas19w - kas21w (bas19w - BAS21W) features fast switching speed surface mount package ldeally suited for automatic insertion for general purpose switching applications high conductance electrical characteristics ta = 25 parameter symbol testconditons min typ max unit reverse breakdown voltage kas19w 120 kas20w 200 kas21w 250 i f = 100ma 1.0 i f = 200ma 1.25 tj = 25 100 na t j =100 15 a junction capacitance c j v r =0,f=1.0mhz 5 pf reverse recovery time t rr i f =i r =30ma,i rr =0.1xi r ,r l = 100 50 ns v v (br)r i r =100 a v v f forward voltage i r reverse current @ rated dc blocking voltage marking no. kas19w kas20w kas21w marking ka8 or kt2 or kt3 kt2 or kt3 kt3 absolute maximum ratings ta = 25 parameter symbol kas19w kas20w kas21w unit non-repetitive peak reverse voltage v rm 120 200 250 v peak repetitive reverse voltage v rrm working peak reverse voltage v rwm dc blocking voltage v r rms reverse voltage v r(rms) 71 106 140 v average rectified output current i o ma forward continuous current i fm ma non-repetitive peak forward surge current @ t = 1.0 s @t=1.0s repetitive peak forward surge current i frm ma power dissipation p d mw thermal resistance junction to ambient air r ja k/w operating and storage temperature range t , t stg 625 200 625 -65 to +150 a 100 v i fsm 150 200 200 400 2.5 0.5
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