CDBM240-HF

Overview

The CDBM240-HF is a surface-mount Schottky barrier rectifier manufactured by Comchip Technology. It features a single diode configuration in an SOD-123 package. Key electrical parameters include a maximum repetitive reverse voltage (Vrrm) of 40 V and an average forward rectified current (Io) of 2 A. The device exhibits a low forward voltage drop, typically 900 mV at 2 A, ensuring high efficiency. It supports a maximum surge forward current of 50 A and operates within a junction temperature range of -55°C to +150°C.

Feature Summary

• Low forward voltage drop for high efficiency
• High surge current capability
• Ultra-fast switching characteristics
• Guarding against overvoltage conditions

Applications

• Low profile surface mounted applications
• Power supply circuits
• Overvoltage protection
• General purpose rectification

Procurement Notes

Verify the specific datasheet version when sourcing, as manufacturing updates may occur. Confirm the package type matches the design requirements, as variations exist within the series. Ensure compliance with RoHS standards if required by the final assembly specifications. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component for applications requiring compact surface-mount solutions with moderate current handling. The 40 V rating suits low-voltage DC systems. Consider the thermal resistance and power dissipation capabilities relative to the PCB layout. Compare with other SOD-123 Schottky diodes if higher current or voltage ratings are needed.

Part Context

This component belongs to the CDBM series of Schottky Barrier Rectifiers from Comchip Technology. The series utilizes silicon epitaxial planar chips with metal-silicon junctions. These devices are designed for batch processing to ensure consistent performance in reverse leakage current and thermal resistance. They are intended for general-purpose rectification in space-constrained electronic designs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative Schottky rectifiers based on matching voltage, current, and package specifications before substitution.