CDBF0340

Overview

The CDBF0340 is a surface-mount Schottky Barrier Diode manufactured by Comchip Technology. It features a single diode configuration in an SMD/SMT package, specifically the 1005 (2512 metric) footprint. The device utilizes silicon epitaxial planar chip technology with metal-silicon junction construction. Key electrical specifications include a maximum repetitive reverse voltage of 40 V and a forward current rating of 300 mA. The component exhibits a low forward voltage drop and minimal reverse leakage current, supporting efficient power conversion in compact electronic designs.

Feature Summary

• Majority carrier conduction for ultra-fast switching performance
• Low profile surface mount design optimized for board space efficiency
• High surge current capability to withstand transient loads
• Lead-free construction compliant with environmental standards

Applications

• DC-DC converter rectification circuits
• Power supply freewheeling diodes
• Reverse polarity protection in portable devices
• Clamping applications in signal processing

Procurement Notes

Verify the specific suffix designation against official Comchip Technology documentation to confirm exact electrical tolerances and packaging variations. Ensure the selected variant matches the required thermal management and mounting orientation for the target PCB layout. Cross-reference the RoHS compliance status with the latest manufacturer release notes before finalizing procurement orders.

Selection Notes

Select this component when a compact surface-mount solution is required for low-voltage rectification tasks. The 1005 package size suits high-density assembly processes where space constraints are critical. Evaluate the forward voltage characteristics against system efficiency requirements and ensure the operating temperature range aligns with the intended application environment.

Part Context

This part belongs to the Comchip Technology CDBF series of small signal Schottky barrier diodes. The series is characterized by its thin leadless package design, which facilitates automated surface mounting. These components are engineered for high reliability in consumer electronics and industrial control systems requiring fast recovery times and low power loss.

Replacement Considerations

Direct substitutes within the same series may include variants with adjusted current ratings or voltage limits. Verify pin compatibility and thermal resistance values when considering alternative manufacturers' equivalents to ensure seamless integration without circuit modification.