WSD551H SMALL SIGNAL SCHOTTKY DIODES 500m AMPERES 30 VOLTS P b Lead(Pb)-Free SOD-323 1 WEITRON http://www.weitron.com.tw 1/3 28-Oct-2013 WSD551H Maximum Ratings (T a=25°C Unless otherwise noted) Symbol Characteristic Peak Reverse Voltage VRM DC Reverse Voltage Mean Rectifying Current Peak Forward Surge Current WSD551H VR 30 20 Volts Volts IO 500 mA I FSM 2.0 A (1) Junction Temperature Range Storage Temperature Range Electrical Characteristics Unit TJ °C -40 to +125 Tstg (T A=25 C Unless otherwise noted) Characteristic Symbol Min Max Unit Forward Voltage IF=100mA IF=500mA VF 0.36 0.54 Volts Reverse Leakage VR=20V IR 100 µAdc NOTE: 1. 60HZ for 1 Device Marking Item WSD551H WEITRON http://www.weitron.com.tw Marking Eqivalent Circuit diagram D 1 2/3 2 28-Oct-2013 WSD551H Electrical characteristic curves (Ta=25 C) 1000.0 1.0 Ct (pF) I F(A) 100.0 0.5 10.0 0 25 50 75 Ta (°C) 100 125 1.0 150 0.0 20.0 30.0 40.0 V R (V) Fig.3 Capacitance between terminals characteristics Fig.4 Derating curve 10A 100mA 125˚C 10mA 1A 1mA IR (A) 100mA I F (A) 10.0 125˚C 75 ˚C 10mA 25˚C 75˚C 100µA 25˚C 10µA 25 ˚C 1mA 25˚C 1µA 100µA 0.0 0.1 0.2 0.3 0.4 100nA 0.5 20 30 40 Fig.2 Reverse characteristics Fig.1 Forward characteristics http://www.weitron.com.tw 10 VR (V) VF (V) WEITRON 0 3/3 28-Oct-2013