bav19w-BAV21W fast switching diodes case : molded plastic body terminals : plated leads solderable per mil-std-750, method 2026 polarity : polarity symbols marked on case marking : bav19w:a8, bav20w:t2, BAV21W:t3 features mechanical data fast switching speed surface mount package ideally suited for automatic insertion for general purpose switching applications electrical ratings @t a =25c symbols conditions v f1 v f2 i r c t t rr forward voltage reverse current bav19w bav20w BAV21W capacitance between terminals reverse recovery time parameter min. typ. max. unit v v pf ns i f =0.1a i f =0.2a v r =100v v r =150v v r =200v v r =0v,f=1.0mhz i f =i r =10ma irr=0.1xi r ,r l =100 1.0 1.25 0.1 0.1 0.1 5 50 bav19w 400 200 2.5 0.5 625 250 500 -65 to +150 200 maximum ratings and electrical characteristics, single diode @t a =25c 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 surge current @=1.0ms @=1.0s repetitive peak forward current power dissipation thermal resistance junction to ambient storage temperature non-repetitive peak reverse voltage t stg v rm v v ma ma a ma mw k/w c v bav20w BAV21W 150 106 v r(rms) i fm i o pd parameter i fsm r q ja i frm 100 200 71 141 120 250 u a u a u a 1.15(.045) 1.05(.041) .25(.010) min sod-123 1.80(.071) 1.40(.055) 3.86(0.152) 3.56(0.145) 2.84(0.112) 2.54(0.100) .71(0.028) .50(0.020) 1.35(.053) .94(.037) .15(.006) max .135(.005) .127(.004) 0.6(.023) 0.5(.020) 3.9(0.154) 3.7(0.146) 1.65(.065) 1.55(.061) 2.7(0.106) 2.6(0.102) dimensions in millimeters and (inches) mdd electronic
ratings and characteristic curves bav19w thru BAV21W 0 0.4 0.8 1.2 1.4 v f instantaneous forward voltage (v) fig. 2-typical forward characteristic fig. 1- power derating curve p d .power dissipation(mw) 1 0.1 0.01 0.001 t a ,ambient temperature( c ) i f ,instantaneous forward current(a) 300 250 200 150 100 50 0 0 25 50 75 100 125 150 tj=125 c t a =150 c t a =125 c t a =-40 c fig. 3- typical reverse characteristics i r ,instantaneous reverse current( u a) 0 50 100 150 200 250 100 10 1 0.1 0.01 0.001 0.0001 v r, instantaneous reverse voltage (v) fig. 4- typical capacitance vs reverse voltage c t , total capacitance (pf) 0 10 20 30 40 4 3 2 1 0 v r, reverse voltage.(v) f=1mhz t a =75 c t a =25 c t a =0 c t a =150 c t a =125 c t a =75 c t a =25 c t a =0 c t a =-40 c mdd electronic
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