QJ8030LH4TP

Triacs Overview

The QJ8030LH4TP is a standard high-temperature Alternistor TRIAC manufactured by Littelfuse. It features an 800 V repetitive peak off-state voltage and a 30 A RMS on-state current capability. The device utilizes a TO-220AB-L package for through-hole mounting, supporting junction temperatures up to 150°C. Key electrical parameters include a maximum gate trigger voltage of 1 V and a non-repetitive surge current rating of 290 A at 50 Hz or 350 A at 60 Hz. The component operates within a temperature range of -40°C to +150°C.

Triacs Feature Summary

• High-temperature operation with a maximum junction temperature of 150°C
• Bufferless design suitable for demanding switching applications
• Robust surge current handling capabilities for industrial loads

Triacs Applications

• Industrial motor control systems
• High-power heating regulation circuits
• Lighting dimmer applications requiring high thermal stability

Triacs Procurement Notes

Verify the specific suffix LH4TP against the manufacturer's official datasheet to confirm pinout configuration and packaging details. Ensure that the ordering information matches the exact part number required for the intended thermal and electrical specifications. Cross-reference with Littelfuse documentation to validate compliance with relevant industry standards before finalizing procurement.

Triacs Selection Notes

Select this component when an 800 V blocking voltage and 30 A continuous current are required in a through-hole format. The TO-220AB-L package facilitates effective heat dissipation for high-power scenarios. Consider the 150°C junction temperature limit when designing thermal management solutions for environments with elevated ambient temperatures.

Triacs Part Context

This device belongs to the QJxx30LH4 series of Alternistor TRIACs from Littelfuse. These components are engineered for robust performance in power control applications. The series offers standardized ratings for voltage and current, providing a reliable solution for industrial and commercial power switching requirements where high thermal endurance is critical.

Triacs Replacement Considerations

Consult Littelfuse official substitution guides for verified equivalents. Generic replacements may not match the specific thermal characteristics or gate trigger requirements of the original component.