http://www.weitron.com.tw weitron WSD520S-40 small signal schottky diodes 200m amperes 40 volts *extrmely high switching speed. *low forward voltage and low reverse current. *high reliability. *schottky barrier diodes encapsulated in a sod-523 package description: feature: these schottky barrier diodes are designed for high speed switching applications circuit protection, and voltage clamping, extremely low forward voltage reduces conduction loss, miniature surface mount package is excellent for hand held and portable applications where space is limited. surface mount schottky barrier diodes sod-523 outline dimensions unit:mm 1/4 sod-523 lead(pb)-free p b 1 2 01-feb-08 a d e b p v m a scale 0.5 1mm 0 a c h e outline version references european projection dimensions (mm are the original dimensions) a b p c d e h e v 0.7 0.35 0.2 1.3 0.9 1.7 0.15 0.5 0.25 0.1 1.1 0.7 1.5 issue date iec jedec eiaj sc-79 98-11-25 note1. the marking bar indicates the cathode. sod-523 mm max min unit
maximum ratings (t a =25c unless otherwise noted) 40 200 1.0 v a c device marking 2 1 c electrical characteristics (t a =25c unless otherwise noted) 40 - - - v v d 125 WSD520S-40 item marking eqivalent circuitdiagram reverse voltage operating junction temperature range storage temperature range peak forward surge current (1) reverse breakdown voltage i r = 100a characteristic characteristic symbol min max unit symbol unit a ma forward voltage i f = 10ma reverse leakage v r = 10v 0.39 1.0 v (br)r v f i r note: 1. 60hz for 1 -40 to +125 value v r i f(av) i fsm t j t stg http://www.weitron.com.tw weitron WSD520S-40 2/4 01-feb-08
http://www.weitron.com.tw weitron WSD520S-40 3/4 01-feb-08 electrical characteristic curves
weitron http://www.weitron.com.tw 4/4 01-feb-08 WSD520S-40 electrical characteristic curves(ta=25oc) mounted on epoxy board
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