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Product Detailed Parameters
- Description：DIODE STANDARD 990V 1A AMELF
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：990 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.55 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：50 ns
- Current - Reverse Leakage @ Vr：500 nA @ 990 V
- Capacitance @ Vr, F：10pF @ 10V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, A
- Supplier Device Package：A-MELF
- Operating Temperature - Junction：-65°C ~ 150°C
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Overview
The Microchip Technology 1N6624US is a single ultrafast recovery rectifier diode designed for surface-mount applications. It utilizes the D-5A (A-MELF) package and is constructed from silicon. The device features a maximum repetitive peak reverse voltage of 900 V and an average forward rectified current rating of 1 A. It is characterized by fast switching capabilities, making it suitable for high-frequency power conversion circuits.
Feature Summary
- Ultrafast recovery characteristics for efficient high-speed switching
- Hermetically sealed glass MELF package for environmental robustness
- High voltage blocking capability for demanding power applications
Applications
- High-frequency DC-DC converters
- Free-wheeling rectification in switch-mode power supplies
- Snubber circuits in inductive load protection
Procurement Notes
Verify the specific suffix designation against official Microchip documentation to confirm exact electrical tolerances and packaging variations. Ensure the procurement channel provides valid manufacturer traceability for quality assurance. Confirm compliance requirements such as RoHS status prior to ordering, as specifications may vary by production batch or regional regulatory standards.
Selection Notes
Select this component when circuit designs require high reverse voltage tolerance combined with rapid recovery times. The D-5A package offers a compact footprint suitable for space-constrained printed circuit board layouts. Evaluate thermal management needs based on the 1 A continuous current rating and ensure the operating temperature range aligns with system environmental constraints.
Part Context
This part belongs to the standard rectifier diode family manufactured by Microchip Technology. It serves as a surface-mount alternative to through-hole equivalents, providing similar electrical performance in a smaller form factor. The 1N6624US is distinct from Zener regulators and general-purpose switching diodes within the broader diode portfolio.
Replacement Considerations
Cross-reference with JANTXV1N6624U for military-grade variants. Verify pinout compatibility and thermal resistance parameters before substituting with other ultrafast rectifiers from different manufacturers.
