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| WSD521D Surface Mount Schottky Barrier Diodes P b Lead(Pb)-Free * Slicon Epitaxial Planer * Low Forward Voltage and Low Reverse Current * High Reliability * Schottky Barrier Diodes Encapsulated in a SOD-923 Package Feature: SMALL SIGNAL SCHOTTKY DIODES 100m AMPERES 30 VOLTS 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-923 SOD-923 Outline Dimensions D -X- -Y- E 1 b 2X 0.08 (0.0032) Unit:mm MILLIMETERS DIM A b c D E HE L MIN NOM MAX 2 XY A C L HE 0.36 0.15 0.07 0.75 0.55 0.95 0.05 0.40 0.20 0.12 0.80 0.60 1.00 0.10 0.43 0.25 0.17 0.85 0.65 1.05 0.15 0.90 0.40 0.30 SOLDERING FOOTPRINT WEITRON http://www.weitron.com.tw 1/3 Rev.A 05-Aug-09 WSD521D Maximum Ratings (TA=25C Unless otherwise noted) Characteristic DC Reverse Voltage Symbol VR IO Peak Forward Surge Current(1) Thermal Resistance, Junction to Ambient Power Dissipation Operation Junction Temperature Range Storage Temperature Range IFSM RJA PD TJ Tstg Value 30 100 500 520 150 150 -40 to +150 Unit V mA mA C/W mW C C Electrical Characteristics Characteristic Forward Voltage IF=10mA Reverse Leakage VR=10V NOTE: 1. 60HZ for 1 (TA=25C Unless otherwise noted) Symbol VF IR Min Typ Max 0.35 10 Unit V A - Device Marking Item WSD521D Marking F Eqivalent Circuit diagram 1 2 WEITRON http://www.weitron.com.tw 2/3 Rev.A 05-Aug-09 WSD521D Electrical Characteristic Curves 1000 (TA =25C) 10000 TA=125C TA=75C TA=-25C TA=25C REVERSE CURRENT:IR(A) FORWARD CURRENT:IF(mA) TA=125C TA=75C TA=25C 100 10 1 0.1 0.01 0.001 0 1000 100 10 1 0.1 0.01 TA=-25C 100 200 300 400 500 600 0 10 20 30 VF-IF CHARACTERISTICS Fig.1 FORWARD VOLTAGEVF(mV) VR-IR CHARACTERISTICS Fig.2 REVERSE VOLTAGE:VR(V) 100 CAPACITANCE BETWEEN f=1MHz TERMINALS:Ct(pF) 10 1 0 5 10 15 VR-Ct CHARACTERISTICS Fig.3 REVERSE VOLTAGE:VR(V) 20 WEITRON http://www.weitron.com.tw 3/3 Rev.A 05-Aug-09 |
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