WSD520D Surface Mount Schottky Barrier Diodes SMALL SIGNAL SCHOTTKY DIODES 100m AMPERES 30 VOLTS P b Lead(Pb)-Free Feature: * Slicon Epitaxial Planer * Low Forward Voltage and Low Reverse Current * High Reliability * Schottky Barrier Diodes Encapsulated in a SOD-923 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-923 SOD-923 Outline Dimensions D Unit:mm −X− −Y− MILLIMETERS E 1 b 2X 2 0.08 (0.0032) X Y A C L HE 0.90 DIM MIN NOM MAX A b c D E HE L 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 0.40 0.30 SOLDERING FOOTPRINT WEITRON http://www.weitron.com.tw 1/3 Rev.A 05-Aug-09 WSD520D Maximum Ratings (TA=25˚C Unless otherwise noted) Symbol Value Unit VR 30 V IO 100 mA Peak Forward Surge Current(1) IFSM 500 mA Thermal Resistance, Junction to Ambient RθJA 520 °C/W Power Dissipation PD 150 mW Operation Junction Temperature Range TJ 150 ˚C Tstg -40 to +150 ˚C Characteristic DC Reverse Voltage Storage Temperature Range Electrical Characteristics (TA=25˚C Unless otherwise noted) Characteristic Symbol Min Typ Max Unit Forward Voltage IF=10mA VF - - 0.45 V Reverse Leakage VR=10V IR - - 0.5 µA NOTE: 1. 60HZ for 1 Device Marking Item Marking WSD520D E WEITRON http://www.weitron.com.tw Eqivalent Circuit diagram 1 2/3 2 Rev.A 05-Aug-09 WSD520D Electrical Characteristic Curves (TA =25°C) 100 10 1000000 TA=125°C TA=75°C 1 TA=-25°C TA=25°C 0.1 0.01 0.001 0 REVERSE CURRENT:IR(nA) FORWARD CURRENT:IF(mA) 1000 100000 200 300 400 500 600 VF-IF CHARACTERISTICS Fig.1 FORWARD VOLTAGE：VF(mV) TA=75°C 10000 1000 TA=25°C 100 TA=-25°C 10 1 100 TA=125°C 0 10 20 30 VR-IR CHARACTERISTICS Fig.2 REVERSE VOLTAGE:VR(V) f=1MHz TERMINALS:Ct(pF) CAPACITANCE BETWEEN 100 10 1 WEITRON http://www.weitron.com.tw 0 5 10 15 VR-Ct CHARACTERISTICS Fig.3 REVERSE VOLTAGE:VR(V) 3/3 20 Rev.A 05-Aug-09