Q4016RH667

Triacs Overview

The Littelfuse Q4016RH667 is a bidirectional triac belonging to the Qxx16xHx series, designed for power control applications. It features a maximum repetitive peak off-state voltage (VDRM) of 600 V and an on-state current (IT(RMS)) rating of 16 A. The device operates within a junction temperature range of -40°C to +125°C and exhibits a typical on-state voltage drop of 1.6 V at rated current. Packaged in a TO-220-2 insulated tab configuration, it offers low leakage current of 5 µA. This component is engineered for robust performance in AC switching circuits requiring high reliability and thermal stability.

Triacs Feature Summary

• Bidirectional conduction capability for AC load control
• High thermal stability with extended operating temperature range
• Insulated tab package design for efficient heat dissipation

Triacs Applications

• AC motor speed control systems
• Solid-state relay implementations
• Lighting dimmer circuits

Triacs Procurement Notes

Verify the specific suffix '667' against official Littelfuse documentation to confirm packaging details and compliance status. Ensure compatibility with existing thermal management solutions given the TO-220-2 form factor. Cross-reference pinout configurations with circuit schematics prior to integration to prevent installation errors.

Triacs Selection Notes

Select this component when a 16 A RMS current rating and 600 V blocking voltage are required for AC switching. The TO-220-2 package suits applications needing direct heatsinking or board mounting with electrical isolation considerations. Evaluate gate trigger characteristics against driver capabilities to ensure reliable turn-on under varying load conditions.

Triacs Part Context

This part belongs to the Qxx16xHx family of high-power triacs from Littelfuse. These devices are characterized by their rugged construction and suitability for industrial power control environments. The series provides standardized pinouts and thermal profiles to simplify design transitions across different voltage ratings within the same current class.

Triacs Replacement Considerations

Consult Littelfuse datasheets for equivalent parts within the Qxx16xHx series with matching voltage ratings. Verify that alternative triacs maintain compatible gate trigger currents and holding currents to ensure circuit functionality without modification.