CDBP00340-HF

Overview

The CDBP00340-HF is a silicon epitaxial planar Schottky barrier rectifier manufactured by Comchip Technology. It features a low forward voltage drop and ultra-high-speed switching capabilities, making it suitable for surface-mount applications. The device is housed in a compact SOD-723 package. Key electrical specifications include a maximum repetitive reverse voltage (VRRM) of 40 V, an average forward current (IF) of 30 mA, and a maximum forward voltage (VF) of 370 mV at the rated current. The component supports a forward surge current (IFSM) of 200 mA and exhibits a low reverse leakage current (IR) of 1 µA. It operates within a junction temperature range of -55°C to +150°C.

Feature Summary

• Ultra-high-speed switching performance with low forward voltage drop
• Silicon epitaxial planar chip construction with metal-silicon junction
• Low profile molded plastic case designed for board space optimization
• Guarding capability for overvoltage protection

Applications

• Low voltage power supply rectification
• High-frequency switching circuits
• Reverse polarity protection in portable devices

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and variant selection. Confirm RoHS compliance status and environmental certifications as required by your assembly standards. Cross-reference the datasheet revision date to ensure alignment with current design specifications. Ensure the selected package matches the footprint requirements of your PCB layout.

Selection Notes

Select this component for applications requiring fast recovery times and minimal power loss in low-current scenarios. The SOD-723 package is ideal for space-constrained designs. Evaluate the thermal resistance characteristics if operating near maximum temperature limits. Compare the forward voltage drop against system efficiency requirements to determine suitability for battery-powered or high-efficiency power paths.

Part Context

This part belongs to the Comchip Technology CDBP series of small signal Schottky diodes. The series is characterized by batch process design for consistent performance. These rectifiers are engineered for low-profile surface mount technology (SMT) applications. The family emphasizes high efficiency and reliability through optimized silicon epitaxial planar chip technology.

Replacement Considerations

Publicly confirmed substitute part numbers for CDBP00340-HF were not identified in the provided source material.