schottky barrier diodes (sbd) 1 publication date: august 2001 skh00048aed MA3D761 (ma7d61) silicon epitaxial planar type (cathode common) for switching mode power supply features ? low forward voltage v f ? high dielectric breakdown voltage: > 5 kv ? easy-to-mount, due to its v cut lead end ? to-220d-a1 package absolute maximum ratings t a = 25 c parameter symbol rating unit repetitive peak reverse-voltage v rrm 90 v average forward current i f(av) 10 a non-repetitive peak forward- i fsm 100 a surge-current * junction temperature t j ? 40 to + 125 c storage temperature t stg ? 40 to + 125 c parameter symbol conditions min typ max unit reverse current (dc) i r v r = 90 v, t c = 25 c3ma forward voltage (dc) v f i f = 5 a, t c = 25 c 0.85 v high voltage rectification * r th(j-c) smoothed current (between junction and case) 3 c/w electrical characteristics t a = 25 c unit: mm 1.4 0.2 1.6 0.2 0.8 0.1 0.55 0.15 2.54 0.30 5.08 0.50 123 2.6 0.1 2.9 0.2 4.6 0.2 3.2 0.1 3.0 0.5 9.9 0.3 15.0 0.5 13.7 0.2 4.2 0.2 solder dip 1 : anode 2 : cathode (common) 3 : anode to-220d-a1 package note) * : half sine wave; 10 ms/cycle note) 1. rated input/output frequency: 150 mhz 2. * : t c = 25c note) the part number in the parenthesis shows conventional part number.
2 MA3D761 skh00048aed i f ? v f i r ? v r v f ? t a i r ? t a c t ? v r 10 ? 3 0 0.2 0.4 0.6 0.8 1.0 1.2 10 ? 2 10 ? 1 1 10 10 2 forward voltage v f ( v ) forward current i f ( a ) t a = 125 c 75 c 25 c ? 20 c 10 ? 3 0 20 40 60 80 100 120 10 ? 2 10 ? 1 1 10 10 2 reverse voltage v r ( v ) reverse current i r ( ma ) t a = 125 c 75 c 25 c 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 ? 40 0 40 80 120 160 200 ambient temperature t a ( c ) forward voltage v f ( v ) i f = 10 a 5 a 1 a 0.001 ? 40 0 40 80 120 160 200 0.01 0.1 1 10 100 ambient temperature t a ( c ) reverse current i r ( ma ) v r = 90 v 30 v 10 v 0 100 200 300 400 500 600 700 800 0 20406080100120 reverse voltage v r ( v ) terminal capacitance c t ( pf ) f = 1 mhz t a = 25 c 0 5 10 15 20 024681012 average forward current i f(av) ( a ) average forward power p d(av) ( w ) t 0 / t 1 = 1/6 1/3 1/2 t 1 t 0 dc 0 2 4 6 8 10 12 14 16 20 40 60 80 100 120 140 case temperature t c ( c ) average forward current i f(av) ( a ) t 1 t 0 t 0 / t 1 = 1/2 1/3 1/6 dc i f(av) ? t c p d(av) ? i f(av)
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