Q4010R4TP

Triacs Overview

The Q4010R4TP is a bidirectional triac manufactured by Littelfuse, designed for AC power control applications. It features a rated repetitive peak off-state voltage (VDRM) of 400 V and an RMS on-state current (IT(RMS)) of 10 A. The device operates within a junction temperature range of -40°C to +125°C. Key electrical characteristics include a maximum holding current of 25 mA and a gate trigger current of 25 mA. The component exhibits a low on-state voltage of 1.6 V and a low off-state leakage current of 10 µA. It is housed in a TO-220-2 package, suitable for through-hole mounting.

Triacs Feature Summary

• Bidirectional conduction capability for alternating current switching
• High thermal stability with extended operating temperature range
• Low on-state voltage drop for improved efficiency
• Robust construction in a standard through-hole package

Triacs Applications

• AC motor speed control circuits
• Solid-state relay designs
• Lighting dimmer applications

Triacs Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and variant selection. Confirm RoHS compliance status directly from the latest documentation before procurement. Cross-reference the part number with authorized distributors to validate authenticity and supply chain integrity.

Triacs Selection Notes

Select this component based on its 400 V blocking voltage and 10 A current rating requirements. Ensure the TO-220-2 package fits the mechanical constraints of the design. Verify that the gate trigger parameters align with the driving circuit capabilities. Consider thermal management solutions given the 125°C maximum junction temperature limit.

Triacs Part Context

This triac belongs to the Qxx10xx series from Littelfuse, which focuses on general-purpose power control devices. The series offers various voltage ratings while maintaining consistent current handling capabilities. This specific model targets applications requiring reliable AC switching with moderate power levels.

Triacs Replacement Considerations

Consult official Littelfuse substitution guides for verified equivalents. Generic replacements may differ in gate sensitivity or thermal performance. Validate any alternative part against the original specifications before implementation.