B5817W thru b5819w schottk y diode case : molded plastic body t erminals : plated leads solderable per mil-std-750, method 2026 polarity : polarity symbols marked on case marking : b5817 w :sj, b5818 w :sk, b5819 w :sl fe a tures mechanica l d at a for use in low voltage, high frequency inverters free wheeling, and polanty protection applications electrical ratings @t a =25c symbols t est conditions v (br) reverse breakdown voltage reverse voltage leakage current forward voltage diode capacitance p arameter min. max. unit v v v i r =1ma 0.45 0.75 0.55 0.875 0.6 0.9 120 1 25 625 250 500 -65 to +150 30 maximum ratings and electrical characteristics, single diode @t a =25c symbols units v rrm v r wm v r peak repetitive peak reverse voltage w orking peak reverse voltage dc blocking voltage rms reverse voltage a verage rectified output current peak forward surge current @=8.3ms repetitive peak forward current power dissipation thermal resistance junction to ambient storage temperature non-repetitive peak reverse voltage t stg v rm v v a a ma mw k/w c v b5818 w 30 21 v r(rms) i o pd p arameter i fsm r ja i r 20 30 40 pf i frm b5817 w b5819 w 20 40 14 28 20 40 c d v f 1 ma v v v v r =4 v ,f=1.0mhz B5817W b5818w b5819w v r =20v v r =30v v r =40v B5817W b5818w b5819w i f =1a i f =3a B5817W b5818w b5819w 1.15(.045 ) 1.05(.041 ) .25(.010 ) mi n sod-123 1.80(.071 ) 1.40(.055 ) 3.86(0.152 ) 3.56(0.145 ) 2.84(0. 1 12 ) 2.54(0.100 ) .71(0.028 ) .50(0.020 ) 1.35(.053 ) .94(.037 ) .15(.006 ) ma x .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) www.shunyegroup.com
r a tings and characteristic cu r ves B5817W thru b5819w 0 10 100 number of cycles a t 60hz fig. 2-maximum non-repetitive peak fo r w ard surge current fig. 1- fo r w ard current der a ting cu r ve t n e r r u c d r a w r o f e g a r e v a ) a ( 30 25 20 15 10 5 0 case temper a ture( c ) t n e r r u c e g r u s d r a w r o f k a e p ) a ( 1.25 1.0 0.75 0.5 0.25 0 0 20 40 60 80 100 120 140 fig. 3- typica l ins t an t aneous fo r w ard characteristics t n e r r u c d r a w r o f s u o e n a t n a t s n i ) a ( 0 0.4 0.8 1.2 1.6 50 10 1.0 0.1 0.01 ins t an t aneous fo r w ard vo lt age(v) fig. 4- typica l reverse characteristics t n e r r u c e s r e v e r s u o e n a t n a t s n i ) a m ( 0 20 40 60 80 100 100 10 1.0 0.1 0.01 0.001 percent of r a ted peak peverse vo lt age (%) t a =125 c fig. 5- typica l junction ca p aci t ance ) f p ( e c n a t i c a p a c n o i t c n u j reverse vo lt age (v) 400 100 10 0.1 1 10 100 resistive or inductive load0.375''(9.5mm) lead length t a =25 c pulse width=300 u s 1% duty cycle t j =125 c t j =75 c t j =25 c 0.01 1 10 100 100 10 1 0.1 e c n a d e p m i l a m r e h t t n e i s n a r t ( c ) w / fig. 6-typica l transient therma l impedance t--pulse dur a tion (sec.) www.shunyegroup.com
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