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Product Detailed Parameters
- Description：DIODE SCHOTTKY 30V 1A DIE
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：30 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：600 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：100 µA @ 30 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：Die
- Supplier Device Package：Die
- Operating Temperature - Junction：-55°C ~ 125°C
- Grade：Military
- Qualification：MIL-PRF-19500/586
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Overview
The CD5818 is a silicon Schottky barrier rectifier manufactured by Microchip Technology. It features a maximum repetitive peak reverse voltage of 40 V and an average forward rectified current of 3 A. The device utilizes a surface-mount die configuration, designated as DIE-1 or DIE-2 depending on the specific variant. Key electrical characteristics include a low forward voltage drop and fast switching capabilities typical of Schottky technology, designed for high-efficiency power conversion applications.
Feature Summary
- Schottky barrier construction for low forward voltage drop
- High current handling capability up to 3 A
- Surface-mount die package options available
Applications
- High-frequency power supply rectification
- DC-DC converter output stages
- Free-wheeling diodes in inductive load circuits
Procurement Notes
Verify the specific die type (DIE-1 or DIE-2) required for your application when sourcing. Confirm RoHS compliance status with the manufacturer as specifications may vary by production batch. Ensure proper thermal management is integrated into the design due to the high current rating of the component.
Selection Notes
Select this component for applications requiring robust 3 A current capacity in a compact surface-mount form factor. Compare against through-hole equivalents if board space allows, but prioritize this die version for automated assembly processes. Verify that the 40 V reverse voltage rating exceeds the maximum circuit operating voltage with adequate safety margin.
Part Context
The CD5818 belongs to Microchip's discrete semiconductor portfolio, specifically within the Schottky diode and rectifier category. It is part of a family including related models such as CD5817 and CD5819, which share similar structural characteristics but differ in voltage or current ratings. This series supports various industrial and commercial power management designs.
Replacement Considerations
Publicly confirmed substitute part numbers are not explicitly listed in the provided source material for direct cross-referencing. Engineers should evaluate other 3 A, 40 V Schottky diodes from compatible manufacturers based on pinout compatibility and thermal performance metrics.
