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| WEITRON Surface Mount Schottky Barrier Diodes P b Lead(Pb)-Free Features: * Low Forward Voltage * Very Small Conduction Losses * Schottky Barrier Diodes Encapsulated in a SOT-323 Package WSD461F SMALL SIGNAL SCHOTTKY DIODES 700m AMPERES 20 VOLTS 3 Applications: * Low current rectification 1 2 SOT-323(SC-70) SOT-323 Outline Demensions Unit:mm A T OP V IE W B C D E G H K L J M Dim A B C D E G H J K L M SOT-323 Min 0.30 1.15 2.00 0.30 1.20 1.80 0.00 0.80 0.42 0.10 Max 0.40 1.35 2.40 0.65 0.40 1.40 2.20 0.10 1.00 0.53 0.25 WEITRON hpp://www.weitron.com.tw 1/3 09-Jan-06 WSD461F Maximum Ratings (TA=25C Unless otherwise noted) Characteristic Reverse Voltage Average Rectifier Forward Current1 Peak Forward Surge Current1 Power Dissipation @TA=25C Operating Junction Temperature Range Storage Temperature Range Note:1. 60Hz for 1 Symbol VR IO IFSM PD TJ Tstg Value 20 700 3.0 150 +150 WEITRON Unit V mA A mW C C -55 to +150 Electrical Characteristics Characteristic Reverse Breakdown Voltage IR=1.0mA Forward Voltage IF=700mA Reverse Leakage VR=20V (TA=25C Unless otherwise noted) Symbol V(BR) VF IR Min 20 Typ Max 0.49 200 Unit V V A Device Marking Item WSD461F Marking 3B Eqivalent Circuit diagram 3 1 http://www.weitron.com.tw WEITRON 2/3 09-Jan-06 WSD461F Characteristic Curves FORWARD CURRENT IF(mA) 10 WEITRON 1 Ta=125 Ta=75 0.1 Ta=-25 Ta=25 0.01 PEAK SURGE FORFWARD CURRENT IFSM(A) IFSM 8.3ms 8.3ms 5 1cyc 0 1 10 100 0.001 0 100 200 300 400 500 600 NUMBER OF CYCLES Fig.1 IFSM, CYCLE CHARACTERISTICS Fig.2 VF-IF CHARACTERISTICS FORWARD VOLTAGE VF(mV) 100000 Ta=125 CAPACITANCE BETWEEN TERMINALS CT(pF) 100 f=1MHz REVERSE CURRENT IR(nA) 10000 1000 100 10 1 0.1 0 10 20 30 Ta=-25 Ta=75 Ta=25 10 1 0 5 10 15 20 REVERSE VOLTAGE VR(V) REVERSE VOLTAGE:VR(V) Fig.3 VR-IR CHARACTERISTICS Fig.4 VR-Ct CHARACTERISTICS http://www.weitron.com.tw WEITRON 3/3 09-Jan-06 |
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