CDBFR0340

Overview

The CDBFR0340 is a single Schottky barrier rectifier manufactured by Comchip Technology. It features a maximum repetitive reverse voltage (VRRM) of 40 V and an average forward current (IF) of 350 mA. The device utilizes silicon epitaxial planar technology with majority carrier conduction, resulting in low stored charge and ultra-high-speed switching capabilities. It is housed in a compact SOD-323F surface-mount package designed for small board space optimization.

Feature Summary

• Majority carrier conduction ensures low stored charge and fast switching speeds
• Extremely thin leadless package design optimizes printed circuit board area
• Silicon epitaxial planar chip construction provides robust thermal performance

Applications

• Surface-mounted power supply circuits requiring high efficiency
• Low-voltage DC-DC converter output rectification
• Reverse polarity protection in portable electronic devices

Procurement Notes

Verify the specific suffix designation against official documentation to confirm environmental compliance status. Ensure the selected variant matches the required package type and electrical ratings for the target application. Cross-reference datasheet revisions to confirm parameter consistency before finalizing procurement specifications.

Selection Notes

Select this component for applications prioritizing minimal footprint and high-frequency operation. The SOD-323F package suits tight spatial constraints. Evaluate thermal management requirements based on the specified power dissipation limits under expected operating conditions to ensure reliable long-term performance.

Part Context

This part belongs to Comchip Technology's CDBFR series of surface-mount Schottky diodes. The series emphasizes low-profile designs suitable for modern electronics manufacturing. These components are engineered to replace bulkier through-hole alternatives while maintaining high reliability standards for consumer and industrial markets.

Replacement Considerations

Consult official substitution guides for verified equivalents. Generic replacements may differ in forward voltage drop or reverse leakage characteristics. Validate pinout compatibility and thermal resistance metrics before integrating alternative parts into existing designs.