baw 78a ... baw 78d 1 oct-08-1999 silicon switching diodes ? switching applications ? high breakdown voltage 2 1 3 vps05162 2 21 eha07007 type marking pin configuration package baw 78a baw 78b baw 78c baw 78d ga gb gc gd 1 = a 1 = a 1 = a 1 = a 2 = c 2 = c 2 = c 2 = c 3 = n.c. 3 = n.c. 3 = n.c. 3 = n.c. sot-89 sot-89 sot-89 sot-89 maximum ratings parameter symbol baw 78 c baw 78 b baw 78 a baw 78 d unit 50 100 400 200 v v r diode reverse voltage 400 100 peak reverse voltage 50 v rm 200 a forward current 1 i f peak forward current i fm 1 10 surge forward current, t = 1 s i fs w total power dissipation , t s = 125 c 1 p tot junction temperature t j c 150 -65 ... 150 storage temperature t st g thermal resistance junction - ambient 1) r thja 95 k/w junction - soldering point r thjs 25 1) package mounted on epoxy pcb 40mm x 40mm x 1.5mm / 6cm 2 cu
baw 78a ... baw 78d 2 oct-08-1999 electrical characteristics at t a = 25 c, unless otherwise specified. parameter values unit symbol min. max. typ. dc characteristics breakdown voltage i (br) = 100 a baw 78 a baw 78 b baw 78 c baw 78 d 50 100 200 400 - - - - v - - - - v (br) forward voltage i f = 1 a i f = 2 a v f - - 1.6 2 - - 1 a - - i r reverse current v r = v rmax reverse current v r = v rmax , t a = 150 c 50 i r - - ac characteristics pf diode capacitance v r = 0 v, f = 1 mhz 10 - - c d reverse recovery time i f = 200 ma, i r = 200 ma, r l = 100 ? , measured at i r = 20ma t rr - s 1 - test circuit for reverse recovery time ehn00019 f d.u.t. oscillograph pulse generator: t p = 100ns, d = 0.05, t r = 0.6ns, r i = 50 ? oscillograph: r = 50 ? , t r = 0.35ns, c 1pf
baw 78a ... baw 78d 3 oct-08-1999 forward current i f = f ( t a *; t s ) * package mounted on epoxy 0 0.0 ehb00094 baw 78a...d f a t ; t s 50 100 ?c 150 t a s t 0.4 0.8 1.0 1.2 0.6 0.2 a forward current i f = f ( v f ) t a = 25c 0 ehb00095 baw 78a...d v f f 1v2 10 -2 -3 10 -1 10 0 10 1 10 a peak forward current i fm = f ( t p ) t a = 25c ehb00096 -6 10 baw 78a...d 10 -5 10 -4 10 -3 10 -2 10 -1 10 0 s 10 -2 10 -1 fm a 10 10 10 0 1 2 t t t p t d t = p = 0.005 d 0.01 0.05 0.02 0.1 0.2 reverse current i r = f ( t a ) v r = v rmax baw 78a...d ehb00097 max typ. 5 10 1 10 2 10 5 3 10 r 4 5 10 5 na 50 0 ? c t a 100 150
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