123NQ100R-1

Overview

The 123NQ100R-1 is a high-voltage rectifier diode manufactured by SMC Diode Solutions. It features a maximum repetitive peak reverse voltage of 100V and an average forward rectified current rating of 123A at a case temperature of 85°C. The device utilizes a planar passivation structure for enhanced reliability under harsh conditions. Key electrical specifications include a maximum RMS isolation voltage of 4000V and a low forward voltage drop to minimize conduction losses. The component is designed for robust performance in industrial power conversion applications requiring high current handling capabilities.

Feature Summary

• Planar passivation technology ensures long-term stability and resistance to environmental stressors.
• High surge current capability provides protection against transient overloads during operation.
• Low thermal impedance design facilitates efficient heat dissipation in compact assemblies.

Applications

• Industrial motor drives and variable frequency drives
• DC-to-AC inverters for renewable energy systems
• Battery charging circuits in electric vehicles

Procurement Notes

Verify the specific suffix 'R' indicates the correct tape and reel packaging configuration required for automated surface-mount assembly processes. Confirm that the lead-free status aligns with RoHS compliance requirements for your target market. Ensure the ordering quantity matches the standard reel size specified in the manufacturer's documentation to avoid partial reel handling issues.

Selection Notes

Select this component when designing circuits requiring high current density and reliable reverse blocking characteristics. Evaluate the thermal management strategy to ensure the junction temperature remains within safe operating limits under peak load conditions. Compare the forward voltage drop against system efficiency targets to determine suitability for low-loss power conversion designs.

Part Context

This diode belongs to the NQ series of fast recovery rectifiers from SMC Diode Solutions, engineered for high-efficiency power electronics. The series is characterized by its ability to handle significant forward currents while maintaining fast switching speeds. It serves as a critical component in modern power supplies where space constraints and thermal performance are primary design drivers.

Replacement Considerations

Consult official cross-reference guides for equivalent parts with matching current ratings and voltage withstand capabilities. Verify pinout compatibility and package dimensions before substituting to ensure mechanical fit. Confirm that alternative components meet the same thermal and electrical performance standards defined in the original datasheet.