87CNQ020SM

Overview

The 87CNQ020SM is a dual common cathode Schottky rectifier manufactured by SMC Diode Solutions. It features a 20-volt repetitive peak reverse voltage rating and a combined average forward rectified current of 8 amperes. The device utilizes a low-profile surface-mount package designed for high-efficiency power conversion applications. Key electrical characteristics include a maximum DC forward voltage drop of 0.45 volts at specified test conditions and a non-repetitive peak forward surge current capability of 100 amperes. The component is engineered for reliability in compact electronic designs requiring fast switching speeds and minimal power loss.

Feature Summary

• Dual common cathode configuration for efficient bridge or full-wave rectification
• Low forward voltage drop to minimize conduction losses
• Fast switching characteristics suitable for high-frequency applications
• RoHS compliant construction with halogen-free materials

Applications

• DC-DC converters
• Power supply units
• Solar panel rectification

Procurement Notes

Verify the specific suffix codes on the datasheet to ensure correct packaging and tape-and-reel specifications. Confirm that the operating temperature range meets your system requirements, as thermal management is critical for this component type. Always check for updated revision notes from the manufacturer regarding pinout consistency and mechanical dimensions before finalizing procurement.

Selection Notes

Select this component when a low-voltage, high-current rectification solution is required in a small form factor. Ensure the circuit design accounts for the thermal resistance of the chosen footprint. Compare the forward voltage characteristics against alternative Schottky diodes to optimize overall system efficiency. Verify that the reverse voltage rating provides adequate margin for transient spikes in the target application environment.

Part Context

This part belongs to SMC Diode Solutions' series of surface-mount Schottky barrier rectifiers. These components are widely used in modern electronics where space constraints and energy efficiency are paramount. The dual common cathode arrangement allows for simplified circuit layouts compared to discrete single-diode solutions. This specific model represents a standard offering within their portfolio for consumer and industrial power applications.

Replacement Considerations

Consult official cross-reference lists for direct replacements. Ensure any substitute maintains identical pinout, voltage ratings, and current capabilities. Verify that alternative packages match the mechanical footprint to avoid PCB redesign.