WSD520S-40 Surface Mount Schottky Barrier Diodes SMALL SIGNAL SCHOTTKY DIODES 200m AMPERES 40 VOLTS P b Lead(Pb)-Free Feature: *Extrmely High Switching Speed. *Low Forward Voltage and Low Reverse Current. *High Reliability. *Schottky Barrier Diodes Encapsulated in a SOD-523 Package 1 2 Description: 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. SOD-523 SOD-523 Outline Dimensions Unit:mm A C HE V M A D 0 A 0.5 1mm scale E b p DIMENSIONS (mm are the original dimensions) UNIT mm max min A 0.7 0.5 bp 0.35 0.25 c 0.2 0.1 D 1.3 1.1 E 0.9 0.7 HE 1.7 1.5 V 0.15 Note1. The marking bar indicates the cathode. OUTLINE VERSION SOD-523 WEITRON http://www.weitron.com.tw REFERENCES IEC JEDEC EIAJ SC-79 1/4 EUROPEAN PROJECTION ISSUE DATE 98-11-25 01-Feb-08 WSD520S-40 Maximum Ratings (TA=25°C Unless otherwise noted) Characteristic Reverse Voltage Peak Forward Surge Current (1) Symbol Value Unit VR 40 V IF(AV) 200 mA IFSM 1.0 A TJ 125 °C Tstg -40 to +125 °C Operating Junction Temperature Range Storage Temperature Range Electrical Characteristics (TA=25°C Unless otherwise noted) Characteristic Symbol Min Max Unit V(BR)R 40 - V Forward Voltage IF = 10mA VF - 0.39 V Reverse Leakage VR = 10V IR - 1.0 µA Reverse Breakdown Voltage IR = 100µA NOTE: 1. 60HZ for 1 Device Marking Item Marking WSD520S-40 D WEITRON http://www.weitron.com.tw Eqivalent Circuitdiagram 1 2/4 2 01-Feb-08 WSD520S-40 Electrical characteristic curves WEITRON http://www.weitron.com.tw 3/4 01-Feb-08 WSD520S-40 Electrical characteristic curves(Ta=25ºC) Mounted on epoxy board WEITRON http://www.weitron.com.tw 4/4 01-Feb-08