CDBF0320

Overview

The CDBF0320-HF is a Schottky barrier rectifier manufactured by Comchip Technology, designed for surface-mount applications. It features a 20V maximum reverse voltage and an average forward current of 350mA. The device utilizes a leadless 1005 package, offering an extremely thin profile suitable for space-constrained designs. Key electrical characteristics include a low forward voltage drop and majority carrier conduction to minimize switching losses. The component is halogen-free and complies with RoHS standards.

Feature Summary

• Low forward voltage drop for improved efficiency
• Majority carrier conduction for fast switching
• Extremely thin, leadless 1005 package design
• Halogen-free construction compliant with environmental standards

Applications

• Power supply circuits requiring compact form factors
• Polarity protection in low-voltage systems
• Free-wheeling diodes in high-frequency inverters
• DC-DC converter output rectification

Procurement Notes

Verify the specific suffix (e.g., -HF) when ordering to ensure compliance with halogen-free requirements. Confirm the package type matches the 1005 footprint dimensions during PCB layout. Check manufacturer datasheets for thermal derating curves relevant to the specific mounting conditions on the final assembly.

Selection Notes

Select this component for applications prioritizing minimal board space due to its leadless 1005 package. Ensure the operating voltage remains below the 20V reverse voltage rating. Consider the 350mA current limit when designing for continuous load conditions. Verify compatibility with automated pick-and-place equipment given the small package size.

Part Context

This part belongs to Comchip Technology's series of single Schottky diodes optimized for surface-mount technology. It shares functional similarities with other models in the CDBF and CDBC families but is distinguished by its specific 1005 package and 350mA current rating. The series targets modern electronics requiring high reliability and small footprints.

Replacement Considerations

Direct substitutes may include parts from the same family with identical ratings, such as the CDBF0320-HF. Cross-referencing with other manufacturers requires matching the 20V VR, 350mA IO, and 1005 package dimensions. Verify pinout and thermal characteristics before substitution.