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Product Detailed Parameters
- Description：DIODE STANDARD 80V 1A D5A
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：80 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：875 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：25 ns
- Current - Reverse Leakage @ Vr：1 µA @ 75 V
- Capacitance @ Vr, F：25pF @ 10V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, A
- Supplier Device Package：D-5A
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N5803US is an ultra-fast recovery glass rectifier diode designed for surface-mount applications. It features a D-5A (SQ-MELF) package and supports a maximum repetitive peak reverse voltage of 80V with a continuous forward current rating of 1A. The device exhibits a fast reverse recovery time of 25ns and a low forward voltage drop of approximately 875mV at rated current, ensuring efficient power conversion in high-frequency circuits.
Feature Summary
- Ultra-fast recovery characteristics suitable for high-frequency switching applications
- Glass passivated junction provides robust environmental stability
- Surface-mount SQ-MELF package enables compact PCB layout
Applications
- High-frequency rectification in switch-mode power supplies
- Free-wheeling diodes in DC-DC converters
- Snubber circuits in inductive load protection
Procurement Notes
Verify the manufacturer part number against official Microchip Technology documentation to ensure authenticity. Confirm that the component matches the specified D-5A package and electrical ratings. Request original datasheets and traceability certificates from authorized distributors to mitigate counterfeiting risks during procurement.
Selection Notes
Select this component when circuit designs require rapid reverse recovery times to minimize switching losses. Ensure the operating voltage remains below the 80V peak reverse limit. Verify thermal management requirements align with the 1A continuous current capability within the constrained SQ-MELF footprint.
Part Context
This component belongs to the family of ultra-fast recovery glass rectifiers manufactured by Microchip Technology. It serves as a specialized discrete semiconductor device optimized for efficiency in modern electronic power systems where speed and reliability are critical performance factors.
Replacement Considerations
Consult official substitution guides for compatible equivalents. Verify pinout compatibility and electrical parameter margins before integrating alternative components into existing designs.
