QJ4016LH2TP

Triacs Overview

The Littelfuse QJ4016LH2TP is a high-temperature Alternistor TRIAC designed for robust power control applications. It features a peak repetitive off-state voltage of 400V and an on-state RMS current rating of 16A. The device supports a non-repetitive surge current of 167A to 200A, depending on specific conditions. Key electrical parameters include a maximum holding current of 15mA and a gate trigger current of 10mA. It operates within a temperature range of -40°C to +150°C junction temperature. The component utilizes a TO-220AB isolated tab package for through-hole mounting, ensuring electrical isolation between the case and terminals.

Triacs Feature Summary

• Snubberless design capability reduces external circuit complexity
• High thermal stability with a maximum junction temperature of 150°C
• Electrically isolated tab configuration for safe mounting

Triacs Applications

• Industrial motor speed control systems
• Solid-state relay switching applications
• High-temperature power regulation circuits

Triacs Procurement Notes

Verify the specific datasheet revision and electrical characteristics against the manufacturer's official documentation before integration. Confirm that the TO-220AB isolated package aligns with the thermal management and insulation requirements of the target PCB layout. Ensure gate drive signals meet the specified trigger current thresholds for reliable switching under all operating conditions.

Triacs Selection Notes

Select this component when high junction temperature tolerance and snubberless operation are required in a through-hole format. Compare the 400V blocking capability and 16A continuous current rating against system load demands. Evaluate the thermal resistance of the TO-220AB isolated package relative to available heatsinking options to maintain junction temperatures within the specified 150°C limit during peak loads.

Triacs Part Context

This part belongs to the Littelfuse QJxx16xHx series of Alternistor TRIACs. These devices are engineered for high-performance power switching where reliability under harsh thermal conditions is critical. The series offers various voltage ratings while maintaining consistent current handling capabilities across different package styles.

Triacs Replacement Considerations

QJ4016LH2 is a compatible alternative within the same product family offering similar electrical specifications.