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Product Detailed Parameters
- Description：DIODE STANDARD 990V 1A A SQMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- 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)：60 ns
- Current - Reverse Leakage @ Vr：500 nA @ 990 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, A
- Supplier Device Package：A, SQ-MELF
- Operating Temperature - Junction：-65°C ~ 150°C
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Overview
The Microchip Technology 1N6624U/TR is a single ultra-fast recovery rectifier designed for surface-mount applications. It features a reverse voltage rating of 990 V and an average forward current capacity of 1.5 A. The device exhibits a maximum forward voltage drop of 1.8 V at rated current and maintains a low reverse leakage current of 500 nA. Its ultra-fast recovery time is specified at 60 ns, supporting high-frequency switching operations. The component operates within a junction temperature range of -65 °C to +150 °C and utilizes the SQ-MELF (D-5B) package.
Feature Summary
- Ultra-fast recovery characteristics enable efficient performance in high-frequency switching circuits.
- High thermal stability supports reliable operation across extended industrial temperature ranges.
- Surface-mount construction facilitates automated assembly and compact board layout.
Applications
- High-frequency power supply rectification
- Free-wheeling diodes in DC-DC converters
- Snubber circuits in switch-mode power supplies
Procurement Notes
Verify the specific suffix 'U/TR' against official Microchip documentation to confirm the tape-and-reel packaging configuration and exact electrical tolerances. Ensure compatibility with RoHS exemption requirements if applicable, as military-grade variants often carry specific compliance statuses distinct from commercial equivalents.
Selection Notes
Select this component when designing circuits requiring high-voltage blocking capabilities combined with rapid reverse recovery times. The surface-mount form factor is suitable for space-constrained designs. Evaluate thermal management strategies to maintain junction temperatures within the specified operational limits during continuous conduction.
Part Context
This part belongs to the 1N662x series of fast and ultra-fast recovery rectifiers manufactured by Microchip Technology. The series offers various voltage ratings and current capacities tailored for diverse rectification needs. The 'U' designation typically indicates the ultra-fast recovery variant within this product family.
Replacement Considerations
Consult official substitution guides for equivalent parts such as JANTX1N6624 or JANTXV1N6624. Verify that alternative components match the 990 V reverse voltage, 1.5 A current rating, and 60 ns recovery time specifications while maintaining compatible package dimensions.
