403CNQ600R-1

Diode Arrays Overview

The 403CNQ600R-1 is a high-voltage rectifier diode manufactured by SMC Diode Solutions. It features a 600V repetitive peak reverse voltage rating and a continuous forward current capacity of 40A per leg in a dual common cathode configuration. The device utilizes a planar chip structure for enhanced reliability and low leakage current characteristics. Designed for robust performance, it operates within a junction temperature range of -55°C to +175°C. The component is housed in a TO-247AC package, providing efficient thermal dissipation capabilities suitable for demanding power conversion environments.

Diode Arrays Feature Summary

• Dual common cathode configuration for bridge rectifier applications
• Planar chip technology ensuring stable electrical performance
• High thermal efficiency via TO-247AC packaging

Diode Arrays Applications

• Industrial motor drives
• Uninterruptible power supplies (UPS)
• DC-DC converters

Diode Arrays Procurement Notes

Verify the specific suffix R-1 against official SMC Diode Solutions documentation to confirm exact pinout and mechanical dimensions. Ensure compatibility with existing heatsinking requirements due to the TO-247AC form factor. Cross-reference datasheet revisions to validate thermal resistance values before final integration into power supply designs.

Diode Arrays Selection Notes

Select this component when a dual common cathode arrangement is required for three-phase or full-wave rectification. Evaluate the 600V rating against peak inverse voltage transients in the target circuit. Consider the 40A current handling capability relative to load demands and ambient operating temperatures to ensure adequate thermal management without exceeding junction limits.

Diode Arrays Part Context

This part belongs to SMC Diode Solutions' high-power rectifier series designed for industrial and commercial power electronics. The 403CNQ series typically offers rugged construction for harsh environments. The specific model integrates two diodes in one package to save board space and simplify assembly compared to discrete solutions.

Diode Arrays Replacement Considerations

Consult official substitution guides from SMC Diode Solutions for direct equivalents. Verify that any alternative maintains identical voltage ratings, current capacities, and package dimensions to ensure mechanical and electrical compatibility without redesigning the PCB layout.