12CWQ15FN

Overview

The 12CWQ15FN is a Schottky rectifier diode array manufactured by SMC Diode Solutions. It features a common cathode configuration with two diodes integrated into a single surface-mount package. The device is rated for a maximum repetitive peak reverse voltage of 150 V and operates within a junction temperature range of -55°C to 150°C. It utilizes the TO-252-3, DPAK (2 Leads + Tab), SC-63 package format, designed for efficient thermal management in compact electronic circuits requiring fast recovery characteristics.

Feature Summary

• Schottky barrier technology for low forward voltage drop
• Common cathode dual diode configuration
• Guard ring structure for enhanced ruggedness
• Surface mountable design for automated assembly

Applications

• DC-DC converter output rectification
• Free-wheeling diode applications in power supplies
• Polarity protection circuits
• Low voltage high frequency rectification

Procurement Notes

Verify the manufacturer part number against official SMC Diode Solutions documentation to ensure authenticity. Confirm that the received components match the specified TO-252-3 package and electrical ratings. Check for any ordering suffixes that may indicate specific tape-and-reel configurations or testing variations. Ensure storage conditions comply with moisture sensitivity levels defined in the datasheet to maintain device reliability before soldering.

Selection Notes

Select this component when a dual common cathode Schottky rectifier is required for space-constrained designs. The TO-252-3 package offers a balance between current handling capability and board space efficiency. Consider the 150 V reverse voltage rating and thermal performance characteristics relative to the specific circuit load requirements. Ensure the application environment stays within the specified -55°C to 150°C operating temperature range for optimal performance.

Part Context

This component belongs to the SMC Diode Solutions Schottky rectifier family, specifically designed for surface-mount applications. The '12CWQ' series typically denotes dual common cathode configurations with varying voltage ratings. The '15' indicates the 150 V reverse voltage class, while 'FN' specifies the particular package type and pinout configuration compatible with standard DPAK footprints.

Replacement Considerations

Direct replacements must match the 150 V reverse voltage, common cathode configuration, and TO-252-3 package dimensions. Verify that substitute parts offer comparable forward voltage drop and reverse leakage current specifications. Ensure thermal resistance characteristics are suitable for the intended heat dissipation requirements in the target application.