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1N4937-E3/73
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Product Detailed Parameters
- Description：DIODE STANDARD 600V 1A DO204AL
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Cut Tape (CT),Tape & Box (TB)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：600 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：200 ns
- Current - Reverse Leakage @ Vr：5 µA @ 600 V
- Capacitance @ Vr, F：12pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-204AL (DO-41)
- Operating Temperature - Junction：-50°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The Vishay 1N4937-E3/73 is a fast switching plastic rectifier featuring a maximum average forward rectified current of 1.0 A and a maximum repetitive peak reverse voltage of 600 V. It operates within a junction temperature range of -50 to +150 °C, with a maximum DC reverse current of 5.0 μA at rated blocking voltage. The device exhibits a typical junction capacitance of 12 pF and a maximum instantaneous forward voltage of 1.2 V at 1.0 A. It supports a peak forward surge current of 30 A and has a maximum reverse recovery time of 200 ns.
Feature Summary
- Fast switching for high efficiency
- Low forward voltage drop
- High forward surge capability
Applications
- Fast switching rectification of power supplies
- Inverters and converters
- Freewheeling diodes for consumer and telecommunication equipment
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm packaging details. The /73 designation indicates an ammo pack delivery mode with a base quantity of 3000 units. Confirm RoHS compliance status and terminal plating specifications directly from the manufacturer datasheet before procurement.
Selection Notes
Select this component for applications requiring fast switching characteristics and low leakage current in standard rectification circuits. Ensure the circuit design accommodates the specified 600 V reverse voltage rating and 1.0 A continuous forward current limits under expected thermal conditions.
Part Context
This part belongs to the 1N4933 through 1N4937 series of fast switching plastic rectifiers manufactured by Vishay General Semiconductor. The series utilizes a DO-41 (DO-204AL) molded epoxy body with matte tin plated leads. The E3 suffix denotes RoHS compliance, while the 73 suffix specifies the ammo pack packaging format.
Replacement Considerations
Consult official Vishay documentation for verified substitute part numbers. Cross-referencing requires matching electrical parameters such as 600 V reverse voltage, 1.0 A forward current, and 200 ns reverse recovery time.
