CDBB5150-HF

Overview

The CDBB5150-HF is a Schottky barrier rectifier manufactured by Comchip Technology, designed for surface mount applications. It features a DO-214AA (SMB) package and provides a maximum repetitive peak reverse voltage of 150 V with an average forward rectified current of 5 A. The device utilizes silicon epitaxial planar chip technology to ensure low forward voltage drop and high efficiency. Key electrical characteristics include a maximum non-repetitive peak forward surge current capability and a specified maximum reverse current at rated voltage. It operates within a junction temperature range from -55°C to +150°C, offering robust performance for power conversion circuits requiring fast switching speeds.

Feature Summary

• Ultra-high-speed switching capability enabled by silicon epitaxial planar chip construction
• Low profile surface mount design optimized for board space efficiency
• Guardring structure provides protection against overvoltage conditions
• High surge current handling capacity combined with low forward voltage drop

Applications

• DC-to-DC converter output rectification
• Free-wheeling diodes in inductive load circuits
• Power supply input rectification stages
• Reverse polarity protection in electronic systems

Procurement Notes

Verify the specific ordering suffix and packaging configuration when sourcing. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer. Ensure the procurement channel provides valid traceability documentation. Check for any regional distribution restrictions that may affect availability. Validate that the received components match the specified DO-214AA package dimensions.

Selection Notes

Select this component for designs requiring a 5 A current rating with a 150 V blocking voltage in a compact SMB package. Consider its low forward voltage characteristic for improving overall system efficiency. Evaluate thermal management requirements based on the specified operating temperature range. Compare surge current ratings against potential transient loads in the target application circuit to ensure adequate safety margins.

Part Context

This part belongs to Comchip Technology's SMD Schottky Barrier Rectifier series. These devices are engineered for low-profile surface mount applications to optimize printed circuit board real estate. The series emphasizes high current capability and low power loss, making them suitable for modern compact power electronics. They utilize metal-silicon junction technology for reliable operation under varying thermal conditions.

Replacement Considerations

Compatible substitutes include other 5 A, 150 V Schottky rectifiers in the DO-214AA (SMB) package. Verify that alternative parts meet or exceed the original forward current, reverse voltage, and thermal specifications. Ensure pinout compatibility and physical footprint alignment before integration.