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Product Detailed Parameters
- Description：DIODE RECT ULT FAST REC A-PKG
- Series：*
- Mfr：Microchip Technology
- Package：Bulk
- Technology：-
- Voltage - DC Reverse (Vr) (Max)：-
- Current - Average Rectified (Io)：-
- Voltage - Forward (Vf) (Max) @ If：-
- Speed：-
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：-
- Capacitance @ Vr, F：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Operating Temperature - Junction：-
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Overview
The 1N6540 is a single ultra-fast recovery rectifier diode manufactured by Microchip Technology. It features an 800V maximum repetitive reverse voltage and a 1A average forward rectified current rating. The device utilizes a DO-204AC (DO-15) axial leaded package, designated as Case A in manufacturer documentation. Key electrical characteristics include a maximum reverse leakage current of 5µA at rated voltage and a typical reverse recovery time of 35ns. The component is designed for high-speed switching applications requiring fast recovery performance.
Feature Summary
- Ultra-fast recovery characteristic suitable for high-frequency switching
- High voltage blocking capability up to 800V
- Robust 1A continuous forward current handling
- Axial leaded construction for through-hole mounting
Applications
- High-frequency power supply circuits
- Free-wheeling diodes in inductive load protection
- Snubber circuits for voltage spike suppression
- General purpose ultra-fast rectification
Procurement Notes
Verify the specific datasheet version from Microchip Technology or authorized distributors to confirm exact electrical tolerances and marking codes. Ensure compliance with RoHS status requirements, as historical data indicates non-compliance for certain batches. Confirm package integrity and lead finish specifications prior to integration into PCB designs.
Selection Notes
Select this component when circuit design demands ultra-fast recovery times combined with moderate current ratings and high voltage isolation. Compare reverse recovery charge specifications against alternative diodes if efficiency is critical. Ensure the thermal management strategy accommodates the power dissipation inherent in the DO-204AC package under expected operating conditions.
Part Context
This part belongs to the standard rectifier diode family produced by Microchip Technology, formerly Microsemi. It serves as a discrete semiconductor solution for power conversion stages. The 1N series designation aligns with traditional JEDEC numbering standards for silicon rectifiers, ensuring broad industry recognition and compatibility with legacy schematics.
Replacement Considerations
Potential substitutes include other 800V ultra-fast recovery diodes in the DO-15 package such as the UF4007 series variants or equivalent parts from other manufacturers offering matching Vrrm and If ratings. Verify pinout compatibility and reverse recovery time specifications before substitution.
