QK012LH2TP

Triacs Overview

The QK012LH2TP is a 12A RMS Alternistor TRIAC from the Qxx12xHx series, designed for AC switching and phase control. It features a 1kV off-state voltage rating and operates in a TO-220-2 package. Key electrical parameters include an on-state voltage of 1.6V and an off-state leakage current of 10uA at VDRM IDRM. This component serves as a bi-directional solid-state switch suitable for motor speed and temperature modulation applications.

Triacs Feature Summary

• Snubberless operation capability for simplified circuit design
• Bi-directional solid-state switching functionality
• Designed for AC phase control applications

Triacs Applications

• Motor speed control systems
• Temperature modulation circuits
• General AC switching applications

Triacs Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required packaging options, such as tube configurations. Confirm that the active part status aligns with long-term production requirements. Cross-reference datasheet specifications against application constraints to validate thermal and electrical performance margins before finalizing procurement decisions.

Triacs Selection Notes

Select this component when snubberless operation is required to reduce external passive components. The 12A RMS current rating and 1kV blocking voltage make it suitable for moderate power AC loads. Ensure the TO-220-2 package fits the mechanical layout and thermal management strategy of the target design.

Triacs Part Context

This device belongs to Littelfuse's Low Power TRIAC series up to 1200V. It is part of the Qxx12xHx family, which includes similar variants like the Q6012LH2TP. These parts are engineered for reliable performance in industrial and consumer electronics requiring efficient AC power control.

Triacs Replacement Considerations

Check for direct substitutes within the same Qxx12xHx series or equivalent 12A/1kV Alternistor TRIACs. Verify pinout compatibility and thermal resistance values when considering alternative manufacturers' offerings to ensure seamless integration without redesigning the PCB layout.