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1N4933-E3/73
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Product Detailed Parameters
- Description：DIODE STANDARD 50V 1A DO204AL
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Box (TB)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：50 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 @ 50 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 1N4933-E3/73 is a fast switching plastic rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum repetitive peak reverse voltage of 50 V and supports a maximum average forward rectified current of 1.0 A. The device exhibits a maximum instantaneous forward voltage of 1.2 V at 1.0 A and a peak forward surge current capability of 30 A. Electrical characteristics include a maximum DC reverse current of 5.0 μA at rated blocking voltage and a typical junction capacitance of 12 pF. The component operates within a temperature range of -50 °C to +150 °C.
Feature Summary
- Fast switching performance for high efficiency applications
- Low forward voltage drop and low leakage current
- High forward surge current capability
Applications
- Fast switching rectification in power supplies
- Inverter and converter circuits
- Freewheeling diodes for consumer electronics
- Telecommunication equipment
Procurement Notes
Verify the specific part number against official manufacturer documentation to confirm compliance with RoHS standards and material categorization requirements. Ensure that the DO-41 package dimensions and lead specifications match the design constraints. Confirm that the thermal resistance parameters align with the intended operating environment and heat dissipation capabilities.
Selection Notes
Select this component when a fast recovery rectifier with a 50 V reverse voltage rating is required. Consider the 1.0 A continuous current capacity and 30 A surge capability for load conditions. Evaluate the thermal management needs based on the specified junction-to-ambient thermal resistance. Verify compatibility with standard through-hole mounting processes and soldering temperatures up to 275 °C.
Part Context
This component belongs to the 1N4933 through 1N4937 series of fast switching plastic rectifiers from Vishay. The series covers reverse voltage ratings from 50 V to 600 V, all sharing similar mechanical and electrical characteristics such as the DO-41 package and 1.0 A current rating. The E3 suffix indicates RoHS compliance and matte tin plating.
Replacement Considerations
Other parts within the 1N4933-1N4937 series may serve as substitutes if the voltage rating is sufficient. Cross-manufacturer equivalents must be verified for matching current, voltage, and package specifications.
