B5817W thru b5819w schottky diode case : molded plastic body terminals : plated leads solderable per mil-std-750, method 2026 polarity : polarity symbols marked on case marking : B5817W:sj, b5818w:sk, b5819w:sl features mechanical data for use in low voltage, high frequency inverters free wheeling, and polanty protection applications electrical ratings @t a =25c symbols test conditions v (br) reverse breakdown voltage reverse voltage leakage current forward voltage diode capacitance parameter min. max. unit v v v i r =1ma 0.45 0.75 0.55 0.875 0.6 0.9 120 1 9 1.5 250 500 -65 to +150 30 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 average 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 a mw k/w c v b5818w 30 21 v r(rms) i o pd parameter i fsm r q ja i r 20 30 40 pf i frm B5817W b5819w 20 40 14 28 20 40 c d v f 1 ma v v v v r =4v,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) 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 B5817W thru b5819w 0 10 100 number of cycles at 60hz fig. 2-maximum non-repetitive peak forward surge current fig. 1- forward current derating curve average forward current (a) 10.8 9.0 7.2 5.4 3.6 1.8 0 case temperature( c ) peak forward surge current (a) 1.25 1.0 0.75 0.5 0.25 0 0 20 40 60 80 100 120 140 fig. 3- typical instantaneous forward characteristics instantaneous forward current (a) 0 0.4 0.8 1.2 1.6 50 10 1.0 0.1 0.01 instantaneous forward voltage(v) fig. 4- typical reverse characteristics instantaneous reverse current (ma) 0 20 40 60 80 100 100 10 1.0 0.1 0.01 0.001 percent of rated peak peverse voltage (%) t a =125 c fig. 5- typical junction capacitance junction capacitance (pf) reverse voltage (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 transient thermal impedance ( c /w) fig. 6-typical transient thermal impedance t--pulse duration (sec.) mdd electronic
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