QJ4025RH6TP

Triacs Overview

The QJ4025RH6TP is a high-temperature Alternistor triac manufactured by Littelfuse. It features a peak repetitive off-state voltage of 400 V and an on-state RMS current rating of 25 A. The device operates within a junction temperature range of -40°C to +150°C. Key electrical parameters include a maximum gate trigger current of 80 mA, a holding current of 100 mA, and an on-state voltage of 1.8 V. It utilizes a TO-220AB package for through-hole mounting.

Triacs Feature Summary

• High-temperature operation capability up to 150°C
• Isolated gate structure for enhanced noise immunity
• Robust 25A RMS current handling in TO-220AB package

Triacs Applications

• Industrial motor control systems
• Solid-state relay applications
• High-power AC switching circuits

Triacs Procurement Notes

Verify the specific suffix 'H' indicates high-temperature grade and isolated gate construction against official Littelfuse documentation. Confirm the TO-220AB package type matches thermal requirements. Ensure the 400V rating aligns with circuit voltage stress. Cross-reference datasheet revisions for any parameter updates before finalizing procurement specifications.

Triacs Selection Notes

Select this component for applications requiring high thermal stability and robust switching performance. The 25A current rating suits medium-to-high power loads. Verify that the 80mA gate drive capability fits the control circuit design. Consider the TO-220AB package for adequate heat dissipation without additional active cooling solutions in standard industrial environments.

Triacs Part Context

This part belongs to the QJxx25xHx series of Alternistors from Littelfuse. These devices are designed for demanding industrial environments where reliability under thermal stress is critical. The series combines high current capacity with advanced gate sensitivity, offering a balance between performance and ease of integration in power electronics designs.

Triacs Replacement Considerations

QJ4025JH6TP serves as a verified substitute within the same manufacturer's lineup, sharing similar electrical characteristics and package form factor.