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1N4933-T
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Product Detailed Parameters
- Description：DIODE STANDARD 50V 1A DO41
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：15pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-41
- Operating Temperature - Junction：-65°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The Diodes Incorporated 1N4933-T is a single-phase, half-wave fast recovery rectifier diode housed in the DO-41 plastic package. It features a diffused junction and supports a peak repetitive reverse voltage of 50V with an average rectified output current of 1.0A at +75°C ambient temperature. The device exhibits a maximum forward voltage drop of 1.2V at 1.0A and a peak reverse leakage current of 5.0µA at rated DC blocking voltage. It withstands non-repetitive peak forward surge currents up to 30A and operates within a temperature range of -65°C to +150°C.
Feature Summary
- Fast switching capability designed for high efficiency applications
- High current capability combined with low forward voltage drop
- Surge overload rating supporting up to 30A peak current
- Low reverse leakage current characteristics
Applications
- General-purpose rectification in power supply circuits
- Free-wheeling diode applications in inductive loads
- DC blocking functions in electronic systems
Procurement Notes
Verify component authenticity through authorized distribution channels only. Confirm RoHS compliance status and lead-free finish specifications against the latest manufacturer documentation. Ensure ordering suffixes match required packaging formats such as tape and reel quantities. Validate that procurement sources adhere to Diodes Incorporated quality standards to avoid unauthorized channel risks.
Selection Notes
Select this component for general rectification tasks requiring fast recovery characteristics. Consider derating average forward current by 20% when used with capacitive loads. Evaluate thermal resistance limits for ambient operating conditions exceeding standard ratings. Verify compatibility with specific circuit requirements regarding reverse voltage margins and surge current handling capabilities.
Part Context
This part belongs to the 1N4933-1N4937 series of 1.0A fast recovery rectifiers manufactured by Diodes Incorporated. The datasheet explicitly states it is not recommended for new designs, suggesting the RS1A-RS1J series as alternatives. The product utilizes molded plastic case material with UL flammability classification 94V-0 and bright tin plated leads.
Replacement Considerations
Diodes Incorporated recommends using the RS1A-RS1J series as replacements for new designs. These alternative components offer similar performance characteristics while adhering to updated design guidelines provided by the manufacturer.
