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Product Detailed Parameters
- Description：DIODE STANDARD REV 125V 20A DO4
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard, Reverse Polarity
- Voltage - DC Reverse (Vr) (Max)：125 V
- Current - Average Rectified (Io)：20A
- Voltage - Forward (Vf) (Max) @ If：950 mV @ 20 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：35 ns
- Current - Reverse Leakage @ Vr：10 µA @ 125 V
- Capacitance @ Vr, F：300pF @ 10V, 1MHz
- Mounting Type：Stud Mount
- Package / Case：DO-203AA, DO-4, Stud
- Supplier Device Package：DO-4 (DO-203AA)
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N5815R is a single fast recovery rectifier designed for stud mount applications. It features a maximum repetitive reverse voltage of 125 V and an average forward current rating of 20 A. The device exhibits a typical forward voltage drop of 950 mV at the rated current, with a maximum surge current capability of 400 A. Reverse leakage current is specified at 10 uA at 125 V. The component utilizes a DO-203AA (DO-4) package and operates within a junction temperature range of -65°C to +175°C.
Feature Summary
- Fast recovery performance with a reverse recovery time of 35 ns
- High thermal stability supporting operation up to +175°C junction temperature
- Robust surge current handling capability of 400 A
Applications
- High frequency DC to DC converters
- Free wheeling circuits in power supplies
- Polarity protection systems
Procurement Notes
Verify RoHS compliance status as the component is listed as non-compliant in available documentation. Confirm the specific packaging type, as sources indicate variations between tray and bulk configurations. Ensure the ordering suffix matches the required mechanical and electrical specifications for the target application.
Selection Notes
Select this component for applications requiring high-speed switching and robust current handling in a stud-mount form factor. Consider the 125 V reverse voltage limit and 20 A continuous current rating against circuit demands. Evaluate the thermal management requirements given the wide operating temperature range and the physical constraints of the DO-4 package.
Part Context
This part belongs to the Microchip 1N58xx series of rectifiers, which includes various voltage and current ratings. The 'R' suffix typically denotes a specific packaging or processing variant within the manufacturer's lineup. It serves as a standard replacement for legacy fast recovery diodes in industrial and commercial power electronics designs.
Replacement Considerations
Direct substitutes include other 125 V, 20 A fast recovery rectifiers in the DO-4 package from compatible manufacturers. Verify pinout compatibility and ensure equivalent reverse recovery time and thermal characteristics before substitution.
