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Product Detailed Parameters
- Description：RECTIFIER UFR,FRR
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- 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 1N6543/TR is an ultrafast recovery rectifier diode manufactured by Microchip Technology. Designed for high-speed switching applications, this component features a silicon construction optimized for rapid reverse recovery characteristics. It serves as a single rectifier diode suitable for power supply circuits requiring efficient conversion and minimal switching losses.
Feature Summary
- Ultrafast recovery performance for high-speed switching
- Silicon rectifier construction
- Optimized for low reverse recovery charge
Applications
- High-frequency power supplies
- DC-DC converters
- Free-wheeling rectification in motor drives
Procurement Notes
Verify the manufacturer designation carefully, as historical listings may reference Micrel, which was acquired by Microchip Technology. Confirm the specific suffix /TR indicates tape and reel packaging if required for automated assembly. Ensure compliance with current RoHS directives by checking the latest datasheet documentation provided by the manufacturer before procurement.
Selection Notes
Select this component when ultrafast recovery time is critical to minimize switching losses and electromagnetic interference in high-frequency circuits. Compare reverse voltage ratings and forward current capabilities against the specific load requirements of the target application to ensure adequate safety margins and thermal performance under operating conditions.
Part Context
This part belongs to the family of standard discrete rectifier diodes produced by Microchip Technology. It represents a transition from legacy Micrel product lines following the company's acquisition. The device is categorized under general-purpose or specialized rectifiers depending on the specific speed class within the broader portfolio of semiconductor diodes offered by the manufacturer.
Replacement Considerations
Consult official Microchip cross-reference guides for verified substitutes. Generic ultrafast rectifiers may not match the specific reverse recovery time parameters. Verify pinout compatibility and package dimensions before integrating alternative components into existing designs.
