CDBF0520-HF

Overview

The CDBF0520-HF is a Schottky barrier rectifier manufactured by Comchip Technology, housed in the SOD-323F surface-mount package. It features a maximum repetitive peak reverse voltage of 20 V and an average forward rectified current rating of 500 mA. The device utilizes silicon epitaxial planar chip technology with a metal-silicon junction to ensure high efficiency and low power loss. Key electrical characteristics include a low forward voltage drop for enhanced performance and ultra-high-speed switching capabilities suitable for compact electronic designs.

Feature Summary

• Low forward voltage drop for high efficiency
• Ultra-high-speed switching capability
• Guardring structure for overvoltage protection

Applications

• Low profile surface mount applications
• High frequency rectification circuits
• Power supply output rectifiers

Procurement Notes

Verify the specific suffix and package variant when sourcing, as distributors may list similar part numbers with different packaging options such as cut tape or reel quantities. Confirm RoHS compliance status and halogen-free designation against the latest manufacturer datasheet to ensure adherence to environmental regulations required for your assembly process.

Selection Notes

Select this component for designs requiring a small footprint Schottky diode with moderate current handling. Ensure the operating temperature range aligns with the specified junction limits. Compare forward voltage specifications at expected load currents against alternative SOD-323F devices to optimize thermal management and overall circuit efficiency.

Part Context

This component belongs to Comchip Technology's series of surface-mount Schottky barrier rectifiers designed for space-constrained applications. The SOD-323F package provides a compact form factor compared to larger through-hole or standard SMD packages, facilitating automated assembly and higher density PCB layouts while maintaining reliable rectification performance.

Replacement Considerations

Check for direct substitutes within the same voltage and current ratings from other manufacturers offering identical SOD-323F footprints. Verify pinout compatibility and thermal characteristics before substitution to ensure seamless integration without redesigning the printed circuit board layout.