CDBC520-G

Overview

The CDBC520-G is a Schottky barrier rectifier manufactured by Comchip Technology, designed for surface-mount applications in the DO-214AB (SMC) package. It features a maximum DC reverse voltage of 20 V and an average forward current rating of 5 A. The device exhibits a low forward voltage drop of 500 mV at 5 A and a maximum reverse leakage current of 500 µA at 20 V. Operating junction temperature ranges from -50°C to 175°C, with a typical capacitance of 380 pF at 4 V and 1 MHz.

Feature Summary

• Utilizes silicon epitaxial planar chip technology for high-efficiency power dissipation
• Provides ultra-high-speed switching capabilities suitable for low-loss applications
• Offers high surge current capability for robust overvoltage protection

Applications

• Low-profile surface-mounted power supply circuits
• High-frequency rectification in consumer electronics
• Overvoltage protection stages in sensitive electronic systems

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm functional equivalence between the -G and -HF designations. Ensure compliance with RoHS3 standards and check moisture sensitivity level classifications prior to assembly. Confirm package dimensions match the DO-214AB specification for proper PCB footprint integration.

Selection Notes

Select this component for designs requiring high current handling in compact surface-mount layouts. The low forward voltage drop contributes to improved system efficiency. Verify thermal management requirements given the wide operating temperature range and ensure the reverse voltage rating exceeds peak circuit voltages.

Part Context

This part belongs to the CDBC series of Schottky barrier rectifiers from Comchip Technology. The series emphasizes batch process design for consistent performance. These devices are engineered to optimize board space while maintaining high reliability in demanding power management environments.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.