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1N4936
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Product Detailed Parameters
- Description：DIODE STANDARD 400V 1A DO41
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 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)：150 ns
- Current - Reverse Leakage @ Vr：5 µA @ 400 V
- Capacitance @ Vr, F：12pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-41
- Operating Temperature - Junction：-50°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The onsemi 1N4936 is an axial-lead fast-recovery rectifier rated for a peak repetitive reverse voltage of 400 V and an average rectified forward current of 1.0 A. It features a typical reverse recovery time of 150 ns, supporting high-efficiency operation at frequencies up to 250 kHz. The device operates within a junction temperature range of -65°C to +150°C and exhibits a maximum instantaneous forward voltage of 1.2 V at 150°C. It utilizes a molded epoxy case with corrosion-resistant external surfaces.
Feature Summary
- Fast-recovery design optimized for high-frequency switching applications
- Axial-lead construction in a molded epoxy package
- Capable of handling non-repetitive peak surge currents up to 30 A
Applications
- DC power supplies
- Inverters and converters
- Ultrasonic systems
- Choppers
- Free wheeling diodes
Procurement Notes
Verify the specific ordering suffix when purchasing. The base part number denotes the electrical characteristics, while suffixes such as 'G' indicate lead-free packaging and 'RL' indicates tape and reel shipping formats. Confirm that the received component matches the required voltage rating and package style before integration into the circuit design.
Selection Notes
Select this component for circuits requiring fast recovery characteristics at moderate current levels. Ensure the operating frequency does not exceed 250 kHz to maintain efficiency. Verify that the reverse voltage requirements do not surpass the 400 V rating under all expected load conditions and transient events.
Part Context
This device belongs to the 1N493x series of fast-recovery rectifiers manufactured by onsemi. The series includes variants with different reverse voltage ratings, ranging from 50 V to 600 V. All members share similar physical dimensions and thermal characteristics, differing primarily in their blocking voltage capabilities.
Replacement Considerations
Compatible substitutes include other 1N4936 equivalents from manufacturers such as Vishay or Littelfuse, provided they meet the 400 V reverse voltage, 1.0 A forward current, and 150 ns reverse recovery time specifications.
