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1N4937G-T
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Product Detailed Parameters
- Description：DIODE STANDARD 600V 1A DO41
- Series：-
- Mfr：Diodes Incorporated
- 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：-
- 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 1N4937G-T is a fast recovery glass passivated rectifier manufactured by Diodes Incorporated. It features a DO-41 molded plastic case with a peak repetitive reverse voltage of 600 V and an average rectified output current of 1.0 A at 75°C ambient temperature. The device exhibits a maximum forward voltage of 1.2 V at 1.0 A and a reverse recovery time of 200 ns. It supports a non-repetitive peak forward surge current of 30 A and operates within a junction temperature range of -65 to +150 °C.
Feature Summary
- Glass passivated die construction for enhanced reliability
- Fast switching characteristics designed for high efficiency applications
- High current capability combined with low forward voltage drop
- Lead-free finish compliant with RoHS standards
Applications
- General purpose rectification in power supplies
- Freewheeling diodes in inductive load circuits
- DC blocking applications requiring fast recovery
Procurement Notes
Verify the specific ordering suffix matches the required packaging configuration, as the -T suffix indicates tape and reel delivery. Confirm that the component meets all applicable RoHS exemptions listed in the datasheet notes. Ensure the procurement documentation aligns with the manufacturer's specifications for the DO-41 package and terminal finish.
Selection Notes
Select this component when a 600 V reverse voltage rating and 1 A continuous current capacity are required. Consider the 200 ns reverse recovery time for switching frequencies where standard rectifiers may exhibit excessive losses. Verify thermal management requirements against the specified junction-to-ambient thermal resistance and derating curves for the intended operating environment.
Part Context
This part belongs to the 1N4933G through 1N4937G series of fast recovery rectifiers from Diodes Incorporated. The series shares identical electrical characteristics except for the peak repetitive reverse voltage rating, which ranges from 50 V to 600 V across the lineup. All variants utilize the same DO-41 package and glass passivation technology.
Replacement Considerations
Cross-reference with other manufacturers' 1N4937 equivalents such as those from Vishay or onsemi. Verify that substitute components match the 600 V reverse voltage, 1.0 A forward current, and 200 ns reverse recovery time specifications. Ensure the replacement package is compatible with the existing DO-41 footprint.
