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Product Detailed Parameters
- Description：DIODE STANDARD 400V 4A D5B
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：4A
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 4 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：30 ns
- Current - Reverse Leakage @ Vr：2 µA @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, E
- Supplier Device Package：D-5B
- Operating Temperature - Junction：-
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Overview
The 1N6627U/TR is a single ultra-fast recovery rectifier manufactured by Microchip Technology. It features a maximum repetitive peak reverse voltage of 400 V and an average forward rectified current of 4 A. The device exhibits a fast recovery time of 45 ns with a maximum forward voltage drop of 1.5 V at the rated current. Reverse leakage current is specified at 2 µA. It operates within a junction temperature range of -65°C to +150°C and utilizes an E-Package-2 form factor.
Feature Summary
- Ultra-fast recovery characteristics for high-frequency switching applications
- High thermal stability supporting operation up to 150°C junction temperature
- Low reverse leakage current ensuring efficient blocking performance
Applications
- High-frequency power supply circuits
- Free-wheeling diode applications in DC-DC converters
- Snubber circuits requiring rapid recovery times
Procurement Notes
Verify the specific suffix 'U' against official Microchip documentation to confirm package type and electrical tolerances. Ensure compatibility with E-Package-2 footprints during PCB layout. Confirm RoHS status and environmental compliance requirements prior to procurement, as specifications may vary by production lot.
Selection Notes
Select this component when circuit designs require a balance of high current handling and fast switching speeds. The 400 V rating suits intermediate voltage levels, while the 4 A capacity supports moderate power stages. Evaluate thermal management needs given the 150°C maximum operating limit and ensure the chosen mounting method aligns with the through-hole or surface-mount capabilities defined in the datasheet.
Part Context
This part belongs to the 1N6627 series of ultra-fast recovery rectifiers from Microchip. It shares functional similarities with other variants in the family but differs in packaging and specific electrical parameters. The 'TR' suffix typically indicates tape and reel packaging for automated assembly processes.
Replacement Considerations
Consult official substitution guides for compatible alternatives. Verify that any substitute matches the 400 V reverse voltage, 4 A current rating, and 45 ns recovery time constraints.
