Q4006L4

Triacs Overview

The Littelfuse Q4006L4 is a bidirectional triac belonging to the Qxx06xx series, designed for AC power control applications. It features a TO-220-2 package and supports a repetitive peak off-state voltage of 400V with an on-state current rating of 6A. The device exhibits a holding current range of 25mA to 25mA and latching current specifications within the same 25mA boundary. Key electrical parameters include a maximum on-state voltage of 1.6V and a maximum off-state leakage current of 50µA under VDRM conditions.

Triacs Feature Summary

• Bidirectional switching capability for alternating current circuits
• High thermal stability in TO-220-2 through-hole packaging
• Low on-state voltage drop for efficient power handling

Triacs Applications

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

Triacs Procurement Notes

Verify component authenticity by cross-referencing the manufacturer's part number with official Littelfuse documentation. Confirm RoHS compliance status via the specific datasheet revision. Ensure the TO-220-2 package variant matches the design requirements before finalizing procurement orders.

Triacs Selection Notes

Select this component when designing circuits requiring 400V blocking capability and 6A continuous conduction. The TO-220-2 package facilitates effective heat dissipation for moderate power levels. Verify that the gate trigger current requirements align with the driving logic interface constraints.

Triacs Part Context

This triac is part of the Qxx06xx family from Littelfuse, optimized for general-purpose AC switching. The series provides standardized performance metrics for industrial and consumer electronics. It serves as a reliable solid-state alternative to mechanical relays in high-cycle environments.

Triacs Replacement Considerations

Consult Littelfuse official substitution guides for compatible triacs with matching voltage and current ratings. Verify pinout compatibility and thermal resistance values before implementing any alternative components in existing designs.