CDBFR0520-HF

Overview

The CDBFR0520-HF is a surface-mount Schottky barrier diode manufactured by Comchip Technology. It features an average forward rectified current (IO) of 0.5 A and a peak reverse voltage (VRM) of 30 V, with a maximum repetitive reverse voltage (VR) of 20 V. The device operates within a junction temperature range of -40°C to +125°C and a storage temperature range up to +125°C. Electrical characteristics include a maximum forward voltage of 0.47 V at 500 mA and 0.36 V at 100 mA. Reverse leakage current (IR) is limited to 100 µA at 20 V reverse bias. Terminal capacitance (CT) is specified at 100 pF under 1 MHz frequency conditions with 0 VDC reverse voltage.

Feature Summary

• Low forward voltage drop for improved efficiency
• Extremely thin leadless package designed for small surface mounting
• Majority carrier conduction enabling ultra-fast switching

Applications

• High-frequency rectification in compact electronic circuits
• Power supply input protection stages
• Clamping and flyback diode applications in low-voltage systems

Procurement Notes

Verify the specific revision level against the manufacturer's datasheet before finalizing procurement orders. Confirm that the ordering suffix matches the required halogen-free and RoHS compliance specifications. Ensure the selected packaging quantity aligns with the standard reel size of 4000 pieces per 7-inch reel. Validate terminal solderability requirements against MIL-STD-750 standards if applicable to your assembly process.

Selection Notes

Select this component when circuit design requires a low-profile SMD Schottky diode with a 0.5 A current rating. The 1005/SOD-323F package is suitable for applications with strict space constraints. Consider the 20 V maximum reverse voltage limit for low-voltage DC power paths. Evaluate the 100 µA reverse leakage specification to ensure it meets system standby power requirements.

Part Context

This component belongs to the Comchip Technology SMD Schottky Barrier Diode series. It utilizes silicon epitaxial planar chip construction housed in a molded plastic case. The device is marked with a cathode band and BL code for polarity identification. It is designed as a lead-free device compliant with environmental standards.

Replacement Considerations

Direct substitutes must match the 0.5 A IO, 20 V VR, and 1005/SOD-323F package dimensions. Verify forward voltage and reverse leakage parameters to ensure equivalent performance in high-efficiency designs.