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Product Detailed Parameters
- Description：DIODE STANDARD 990V 1A AXIAL
- Series：-
- Mfr：Microchip Technology
- Package：Bag
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：990 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.55 V @ 500 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：60 ns
- Current - Reverse Leakage @ Vr：500 nA @ 900 V
- Capacitance @ Vr, F：10pF @ 10V, 1MHz
- Mounting Type：Through Hole
- Package / Case：A, Axial
- Supplier Device Package：A, Axial
- Operating Temperature - Junction：-65°C ~ 150°C
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Overview
The Microchip Technology 1N6624 is a military-qualified ultrafast recovery rectifier diode designed for high-reliability applications. It features a reverse voltage rating of 900V and a forward current of 1A. Key electrical parameters include a maximum reverse leakage current of 500nA at 900V, a forward voltage of 1.8V, and a reverse recovery time of 50ns to 60ns. The device supports a max surge current of 20A and has a junction capacitance of 10pF. It is housed in an A-Package-2 (DO-35) axial through-hole package.
Feature Summary
- Military qualification compliant with MIL-PRF-19500/585 standards
- Ultrafast recovery characteristics suitable for high-frequency switching
- Hermetically sealed glass construction for environmental stability
Applications
- High-reliability aerospace power supplies
- Military-grade rectification circuits
- Fast-switching DC-DC converters
Procurement Notes
Verify the specific suffix (e.g., U, TR) against the datasheet to confirm package type and tape-and-reel status. Confirm that the component meets current MIL-PRF-19500/585 requirements. Check for obsolescence notices as some variants may be nearing end-of-life. Ensure the supplier provides traceability documentation required for defense contracts.
Selection Notes
Select this component when ultrafast recovery is critical to minimize switching losses. The 900V rating provides headroom for high-voltage transient environments. Compare the 50ns recovery time against standard rectifiers if speed is a primary design constraint. Ensure the through-hole A-package fits the PCB layout constraints.
Part Context
This part belongs to the 1N6624 series of ultrafast recovery rectifiers manufactured by Microchip/Microsemi. It is distinct from commercial equivalents due to its rigorous military qualification and hermetic sealing. The series is designed to replace older discrete solutions in legacy military systems requiring high reliability.
Replacement Considerations
Direct substitutes include JANTX1N6624U and JANTXV1N6624U. Verify that replacement parts maintain the same MIL-PRF-19500/585 qualification level and physical dimensions.
