Q8012RH5TP

Triacs Overview

The Littelfuse Q8012RH5TP is a bidirectional triac belonging to the Qxx12xHx series, designed for high-power AC switching applications. It features an 800V rated repetitive off-state voltage and conducts a continuous RMS on-state current of 12A. The device utilizes a TO-220-2 through-hole package for robust thermal management. Key electrical characteristics include a maximum holding current of 50mA, a gate trigger current range of 50mA to 50mA, and a low on-state voltage of 1.6V. It operates within a temperature range of -40°C to +125°C and exhibits a maximum off-state leakage current of 10µA.

Triacs Feature Summary

• High-voltage blocking capability suitable for demanding AC power control environments
• Robust thermal performance enabled by the TO-220-2 leaded package design
• Sensitive gate triggering characteristics for efficient drive circuit integration

Triacs Applications

• Industrial motor speed control systems
• Solid-state relay modules for AC load switching
• High-power lighting dimmer circuits

Triacs Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number with official Littelfuse documentation. Confirm that the specific suffix indicates the correct packaging configuration. Ensure compliance with relevant safety standards required for the intended end-use application before finalizing procurement decisions.

Triacs Selection Notes

Select this component when an 800V rating and 12A continuous current capacity are required in a standard through-hole form factor. Consider the 50mA gate trigger requirement for driver compatibility. Evaluate thermal dissipation needs based on the TO-220-2 package's heat transfer capabilities relative to the expected load duty cycle.

Triacs Part Context

This triac is part of the Qxx12xHx family from Littelfuse, which focuses on high-performance thyristor solutions. The series provides standardized pinouts and electrical profiles for designers requiring reliable AC switching components. It serves as a specialized variant within the broader Littelfuse power semiconductor portfolio.

Triacs Replacement Considerations

Compatible alternatives include the Q8012RH5 and Q8012RH5V. Verify pinout compatibility and exact electrical parameter matching before substitution. Consult official datasheets to confirm interchangeability regarding thermal resistance and gate sensitivity specifications.