Q8008L5

Triacs Overview

The Littelfuse Q8008L5 is a general-purpose triac designed for AC power control applications. It features an 800 V repetitive peak off-state voltage and conducts an RMS on-state current of 8 A. The device operates within a junction temperature range of -40 °C to +125 °C. Key electrical parameters include a maximum holding current of 50 mA, a gate trigger voltage of 2.5 V, and a gate trigger current ranging from 50 mA to 75 mA. It exhibits a typical on-state voltage of 1.6 V and a non-repetitive peak surge current capability between 83 A and 100 A.

Triacs Feature Summary

• Provides bidirectional switching capability for alternating current loads
• Engineered with robust thermal performance for high-temperature environments
• Designed for reliable triggering in standard AC phase control circuits

Triacs Applications

• Solid-state relays
• Lighting dimmer controls
• Motor speed controllers

Triacs Procurement Notes

Verify the exact suffix designation when ordering, as variations such as Q8008L5TP indicate specific packaging formats like tube configurations. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure that the selected component matches the required lead times and production cycles available from authorized distributors.

Triacs Selection Notes

Select this component based on its 800 V blocking voltage and 8 A continuous current rating. Evaluate the gate trigger requirements against the driving circuit capabilities, noting the specified voltage and current thresholds. Consider the TO-220 package style for appropriate heat sinking solutions to maintain safe operating temperatures during operation.

Triacs Part Context

This part belongs to the Littelfuse Q series of triacs, which are widely utilized in industrial and consumer electronics for AC power regulation. The Q8008L5 variant specifically targets applications requiring moderate current handling with high voltage isolation. It serves as a fundamental semiconductor switch for managing power delivery in resistive and inductive loads.

Triacs Replacement Considerations

Direct replacements may include other 800V 8A triacs from the same family or competitors with identical pinouts and electrical ratings. Verify compatibility regarding gate sensitivity and thermal resistance before substitution.