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1N4937 TR TIN/LEAD
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Product Detailed Parameters
- Description：1A 600V TH RECTIFIER-FAST RECOVE
- Series：-
- Mfr：Central Semiconductor Corp
- 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：-
- Grade：-
- Qualification：-
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Overview
The Central Semiconductor Corp 1N4937 TR TIN/LEAD is a silicon signal rectifier diode designed for through-hole mounting in the DO-41 axial package. It features a maximum repetitive peak reverse voltage of 600 V and supports a continuous forward current of 1 A. The device exhibits a maximum reverse recovery time of 200 ns, ensuring fast switching performance. It operates within a junction temperature range of -65°C to +150°C and utilizes tin/lead terminal plating.
Feature Summary
- Fast switching capability with a maximum reverse recovery time of 200 ns
- High thermal stability supporting operation up to +150°C junction temperature
- Robust construction utilizing void-free molded plastic technique
Applications
- General purpose rectification in power supply circuits
- High efficiency switching applications requiring fast recovery
- Signal processing circuits involving high voltage isolation
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to confirm the presence of tin/lead plating and reel packaging configuration. Ensure the component meets required RoHS exemptions if applicable. Cross-reference the datasheet revision date to validate electrical parameters before integration into design specifications.
Selection Notes
Select this component when a 600 V blocking voltage and 1 A current rating are required in an axial leaded package. The fast recovery characteristic makes it suitable for higher frequency rectification compared to standard slow recovery diodes. Confirm that the operating environment stays within the specified temperature limits for reliable long-term performance.
Part Context
This part belongs to the 1N493x series of fast switching plastic rectifiers manufactured by Central Semiconductor. The series covers reverse voltages from 50 V to 600 V, sharing common mechanical dimensions and thermal characteristics. The 1N4937 variant specifically addresses the upper end of the voltage range within this standardized family.
Replacement Considerations
Direct substitutes include other manufacturers' 1N4937 variants such as those from onsemi or Vishay. Verify pinout compatibility and ensure equivalent reverse recovery time and forward current ratings are maintained in alternative sourcing options.
