1 SUD493Z silicon epitaxial planar diode features ? ultra high speed ? fast reverse recovery time : t rr =1.6ns(typ.) ? small total capacitance : c t =2.2pf(typ.) ? four sds914 chips in sot-353 package ordering information type no. marking package code SUD493Z dx sot-343 outline dimensions unit : mm s s e e m m i i c c o o n n d d u u c c t t o o r r pin connections 1. anode 2. anode 3. cathode 4. cathode 4 3 1 2 1.95~2.25 0.40 max. 1.15~1.35 0.70 max. 1.30 typ. 1.90~2.10 0.85~0.95 0.10 max. 0.19 max. 0.25 min. 2 3 4 1
2 SUD493Z absolute maximum ratings (ta=25 c) characteristic symbol rating unit maximum(peak) reverse voltage v rm 85 v reverse voltage v r 80 v maximum(peak) forward current i fm 300 ma average forward current i o 100 ma surge current(10ms) i fsm 2 a power dissipation p d 150 mw junction temperature t j 150 c storage temperature range t stg -55 ~ 150 c electrical characteristics (ta=25 c) characteristic symbol test condition min. typ. max. unit v f(1) i f =1ma - 0.6 - v f(2) i f =10ma - 0.7 - forward voltage v f(3) i f =100ma - 0.9 1.2 v reverse current i r v r =80v - - 0.5 a total capacitance c t v r =0, f=1mhz - 2.2 4.0 pf reverse recovery time t rr i f =10ma - 1.6 4.0 ns
3 SUD493Z electrical characteristic curves fig. 2 i r -v r fig. 4 trr-i f fig. 3 c t -v r fig. 1 i f -v f fig. 5 reverse recovery time(trr) test circuit ? ? ? ? ? ? ? ?
4 SUD493Z the auk corp. products are intended for the use as components in general electronic equipment (office and co mmunication equipment, m easuring equipment, home appliance, etc.). please make sure that you consult with us before you use these auk corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to th e welfare of human life(atomi c energy control, airplane, spaceship, transportation, co mbustion control, all types of safety device, etc.). auk corp. cannot accept liability to any damage which may occur in case these auk corp. products were used in the mentioned equi pments without prior consultation with auk corp.. specifications mentioned in this publicati on are subject to change without notice.
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