semiconductor sd101a thur SD101C small signal schottky diodes features mechanical data for general purpose applications the sd101 series is a metal-on-silicon junction schottky barrier device which is protected by a pn junction guard ring. the low forward voltage drop and fast switching make it ideal for protection of mos devices, steering, biasing, and coupling diodes for fast switching and low logic level applications. these diodes are also available in the mini-melf case with the type designation ll101a to ll101c , in the sod-123 case type with the type designation sd101aw to sw101cw, in the sod-323 case type with the type designation sd101aws to sw101cws do-35 dimensions in inches and (millimeters) case weight : : do-35 glass case approx. 0.05 gram polarity : color band denotes cathode end absolute ratings(limiting values) electrical characteristics reverse breakover voltage at i =10 a r leakage current at v =50v r v =40v v =30v r r forward voltage drop at i =1ma f (ratings at 25 c ambient temperature unless otherwise specified) 200 200 200 2.0 2.1 2.2 0.41 0.4 0.39 1 1 0.95 0.9 i =15ma f reverse recovery time at i =i =5ma,recover to 0.1 r fr i thermal resistance,junction to ambient junction capacitance at v =0v ,f=1mhz r v rrm v r v r v r v rrm v rrm mw a v v t stg p tot t j power dissipation (infinite heat sink) peak reverse voltage storage temperature range junction temperature maximum single cycle surge 10 s square wave -55 to+150 c c v v v v v v v v v na na na pf pf pf ns k/w i fsm v f v f v f v f v f v f i r i r i r c j c j c j r ja t rr 125 2.0 400 300 1) 1) 60 60 50 50 40 40 1) valid provided that leads at a distance of 4mm from case are kept at ambient temperature 1) valid provided that leads at a distance of 4mm from case are kept at ambient temperature symbols units value min. typ. max. unis symbols sd101a sd101b SD101C sd101a sd101b SD101C sd101a sd101b SD101C sd101a sd101b SD101C sd101a sd101b SD101C sd101a sd101b SD101C jinan jingheng co., ltd. no.51 heping road pr china tel:86-531-6943657 fax:86-531-6947096 www.jifusemicon.com small signal chottky diodes 2-108
ratins and characteristics curves sd101a th u SD101C r figure 1. typical variation of fwd.current vs.fwd. voltage for primary conduction through the schottky barrier figure 2. typical forward conduction curve of combination schottky barrier and pn junction guard ring figure 4. typical capacitance curve as a function of reverse voltage ma ma ma v f v r v r v f i f i r i r i f a b c a a b b c c ma figure 3.typical variation of reverse current at various temperatures jinan jingheng co., ltd. no.51 heping road pr china tel:86-531-6943657 fax:86-531-6947096 www.jifusemicon.com small signal chottky diodes 2-109
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