Q4010RH5TP

Triacs Overview

The Q4010RH5TP is a bidirectional triac manufactured by Littelfuse, designed for AC power control applications. It features a 400V repetitive peak off-state voltage and an RMS on-state current rating of 10A. The device utilizes a TO-220-2 package for thermal management and mounting. Key electrical characteristics include a maximum holding current of 50mA and a gate trigger current of 50mA. The component exhibits a low on-state voltage drop of 1.6V and a leakage current of 10µA in the off-state. These specifications define its operational limits within thyristor circuits.

Triacs Feature Summary

• Bidirectional switching capability for alternating current control
• Integrated thermal design via TO-220-2 isolation package
• Low gate sensitivity with defined trigger thresholds

Triacs Applications

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

Triacs Procurement Notes

Verify the specific suffix 'H5' against official Littelfuse documentation to confirm pinout configuration and insulation class. Ensure the ordering part number matches the exact voltage and current ratings required for the target application. Cross-reference datasheet revisions to validate parameter consistency before finalizing procurement orders.

Triacs Selection Notes

Select this component when a 400V blocking voltage and 10A continuous current capacity are required. The TO-220-2 package facilitates heatsinking for high-power dissipation scenarios. Evaluate the 50mA gate drive requirements against the available control circuit capabilities to ensure reliable triggering under all operating conditions.

Triacs Part Context

This triac belongs to the Littelfuse Q series of power semiconductor devices. The series is engineered for robust performance in industrial and consumer AC power regulation environments. Components in this family typically offer standardized pin configurations and thermal characteristics suitable for mass production integration.

Triacs Replacement Considerations

Consult Littelfuse substitution guides for equivalent triacs with matching 400V/10A ratings. Verify that alternative parts maintain identical TO-220-2 footprint dimensions and thermal resistance values to ensure mechanical compatibility without redesign.