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1N4937G-K
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Product Detailed Parameters
- Description：DIODE STANDARD 600V 1A DO204AL
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR)
- 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：10pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-204AL (DO-41)
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The 1N4937G-K is a fast recovery glass passivated rectifier manufactured by Taiwan Semiconductor. It features a single silicon element with a maximum average forward rectified current of 1A and a maximum repetitive peak reverse voltage of 600V. The device utilizes a DO-204AL (DO-41) plastic axial leaded package. Key electrical characteristics include a low reverse leakage current and high forward surge capability, designed for efficient switching in general-purpose applications.
Feature Summary
- Glass passivated chip construction for enhanced reliability
- Fast switching performance suitable for high efficiency circuits
- High forward surge current handling capability
- Low reverse leakage current operation
Applications
- General purpose rectification
- Power supply input stages
- Free wheeling diode applications
Procurement Notes
Verify the specific suffix K indicates reel packaging configuration against the official datasheet. Confirm RoHS compliance status as manufacturing standards may vary by production batch. Ensure the component matches the exact 600V rating and 1A current specifications required for the target circuit design before integration.
Selection Notes
Select this component when a 600V blocking voltage and 1A continuous current are required in an axial package. The fast recovery characteristic distinguishes it from standard slow-recovery rectifiers. Verify thermal dissipation requirements align with the DO-41 package limitations for the intended operating environment.
Part Context
This part belongs to the 1N493x series of fast recovery rectifiers produced by Taiwan Semiconductor. The series offers various voltage ratings from 50V to 600V within the same physical footprint. The 1N4937 variant specifically denotes the 600V rating within this standardized product line.
Replacement Considerations
Cross-reference with Vishay 1N4937GP or Fairchild 1N4937GPT26R for pin-compatible alternatives. Verify that substitute parts meet the same 600V reverse voltage and 1A forward current ratings.
