surface mount schottky barrie r diodes *small mold type. *low i r *high reliability. construction: silicon epitaxial planer featur es: weitron WSD450F small signal schottky diodes 100m amperes 40 v ol ts hpp://www .weitron.com.tw sot -323(sc-70) u nit:mm sot -323 outline demensions 1 2 3 a b d e g m l h j t o p v i e w k c dim a b c d e g h j k l m m i n 0 . 3 0 1 . 1 5 2 . 0 0 - 0 . 3 0 1 . 2 0 1 . 8 0 0 . 0 0 0 . 8 0 0 . 4 2 0 . 1 0 max 0.40 1.35 2.40 0.65 0.40 1.40 2.20 0.10 1.00 0.53 0.25 sot -323 1/3 16-aug-07
weitron w e i t r o n WSD450F maximum s g n i t a r ( t a =25c unless otherwise noted) characteristic r e v erse v oltage (repetitive peak) r e v erse v oltage (dc) average rectified forward current op er a ting j unc tion t emp er a tur e r ange s t or age t emp er a tur e r ange symbol v rm v r i o i fsm t j t st g value unit 45 40 100 125 -40 to +125 v olts ma ma a c c device g n i k r a m item marking eqivalent r i c cuit m a r g a i d 1 3 WSD450F b4 , kl5 electrical s c i t s i r e t c a r a h c ( t a =25 c u nless other wise not ed) characteristic symbol f or w ar d v oltage i f =10ma capacitance between terminals ( v r =10v, f=1.0mhz) r e v erse currect v f c t i r min t yp max unit - - - - 0.45 6.0 - - 1.0 v olts f p a dc http://www .weitron.com.tw f or w ar d c ur r ent surge peak (60hz , 1cyc ) 1 ( v r =10v ) 2/3 16-aug-07
weitron WSD450F http://ww w .weitron.com.tw weitron 16-aug-07 3/3 0 1 100m 10m 1m 100 10 0. 1 0. 2 0. 3 0. 4 0. 5 0. 6 0.7 ta = 125 c 75 c 25 c 25 c forward current : i f ( a) forward voltage : v f (v ) fig. 1 forward characteristics 0 5 1 0 1 5 2 0 2 5 3 0 35 10n 100n 1 10 100 1m reverse current : i r ( a) reverse voltage : v r ( v) fig. 2 reverse characteristics ta = 125 c 75 c 25 c 0 100 2 4 6 8 1 0 1 2 14 0 2 5 10 20 50 capacitance between terminals : c t ( pf) reverse voltage : v r ( v) fig. 3 capacitance between terminals characteristics 0 0 20 40 60 80 100 2 5 5 0 7 5 10 0 125 io current (%) ambient temperature : ta ( c ) fig. 4 derating curve (mounting on glass epoxy pcbs)
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