CDBQR0240LR-HF

Overview

The CDBQR0240LR-HF is a single Schottky barrier diode manufactured by Comchip Technology, designed for surface-mount applications. It features an average forward rectified current of 200 mA and a repetitive peak reverse voltage of 40 V. The device utilizes a 0402/SOD-923F package with gold-plated terminals. Electrical characteristics include a typical forward voltage of 0.48 V at 100 mA and 0.58 V at 200 mA, with a maximum reverse current of 5 µA at 40 V. It supports a surge forward current of 3 A and operates within a temperature range of -40°C to +125°C.

Feature Summary

• Majority carrier conduction ensures ultra-fast switching capabilities.
• Extremely thin leadless package design optimizes board space utilization.
• Low forward voltage drop contributes to high efficiency and reduced power loss.
• Low reverse leakage current enhances performance in sensitive circuits.

Applications

• Power supply rectification
• Reverse polarity protection
• Clamping and flyback diodes

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and environmental compliance status. Ensure compatibility with standard SMD reflow soldering profiles defined in relevant manufacturing standards. Confirm that the selected packaging format aligns with automated assembly requirements. Cross-reference the manufacturer's latest revision notes for any updates to mechanical dimensions or electrical ratings prior to finalizing procurement specifications.

Selection Notes

Select this component for designs requiring minimal footprint due to its 0402 form factor. Evaluate thermal management needs based on the specified junction-to-ambient thermal resistance. Consider the low forward voltage characteristic for improving overall system efficiency in low-voltage applications. Verify that the 40 V reverse voltage rating provides sufficient margin for the intended operating conditions.

Part Context

This component belongs to the Comchip Technology SMD Schottky Barrier Diode series. It is engineered for general-purpose rectification in compact electronic devices. The product line emphasizes reliability through majority carrier technology and robust construction suitable for automated surface-mount processing.

Replacement Considerations

Consult official substitution guides for verified equivalent part numbers from Comchip Technology. Do not assume functional interchangeability with components from other manufacturers without comprehensive parameter validation.

FAQ

What is the marking code for the CDBQR0240LR-HF?

The marking code for this component is BXBX.

How is the cathode polarity indicated on the device?

Polarity is denoted by a color band located at the cathode end of the component.