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Product Detailed Parameters
- Description：DIODE STANDARD 600V 3A D5B
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：600 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 9 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：400 ns
- Current - Reverse Leakage @ Vr：1 µA @ 600 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, E
- Supplier Device Package：D-5B
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N5420US is a single-element, fast recovery rectifier diode designed for high-reliability applications. It features a maximum repetitive reverse voltage of 600 V and an average forward current rating of 3 A. The device exhibits a maximum forward voltage of 1.5 V at rated current and a typical reverse leakage current of 1 µA. It supports a non-repetitive peak surge current of 80 A and has a maximum reverse recovery time of 400 ns. Operating temperatures range from -65 °C to +175 °C. The component is housed in a surface-mount B-SQ-MELF-2 package.
Feature Summary
- Military qualified per MIL-PRF-19500/411 for high-reliability environments
- Fast recovery characteristics suitable for high-frequency switching
- Voidless hermetically sealed construction for environmental stability
Applications
- Spacecraft power systems
- Commercial and military aircraft electronics
- High-reliability industrial rectification circuits
Procurement Notes
Verify the specific suffix US against the manufacturer's official datasheet to confirm package type and qualification level. Ensure the procurement source provides valid traceability documentation required for military-grade components. Confirm RoHS status as N indicates leaded content, which may impact assembly processes. Validate that the supplier is an authorized distributor to guarantee authenticity.
Selection Notes
Select this component when a fast recovery rectifier with high thermal stability is required. The 600 V rating suits medium-voltage DC applications. The surface-mount MELF package facilitates automated assembly. Consider the 175 °C maximum junction temperature for high-temperature operational environments. Verify compatibility with existing PCB footprints for the B-SQ-MELF-2 package.
Part Context
This part belongs to the 1N5415US through 1N5420US series of fast recovery rectifiers. The series is characterized by voidless hermetic sealing and military qualification. These diodes are engineered to replace standard rectifiers in applications where failure is not an option. The 1N5420US specifically offers the highest reverse voltage rating within this common series configuration.
Replacement Considerations
Equivalent parts include JANTX1N5420US and JANTXV1N5420US. Verify electrical parameters such as reverse recovery time and forward voltage drop match the original design requirements. Ensure the replacement maintains the same hermetic seal and military qualification standards.
