QJ8008LH4TP

Triacs Overview

The Littelfuse QJ8008LH4TP is an Alternistor TRIAC rated for 800V V(DRM) and 8A I(T)RMS. It utilizes an isolated TO-220AB package with three pins, designed for high reliability applications. Key electrical characteristics include a maximum DC gate trigger current of 35 mA, a maximum DC gate trigger voltage of 1.3 V, and a holding current of 35 mA. The device exhibits a critical rate of rise of off-state voltage of 200 V/us and a critical rate of rise of on-state current of 25 V/us. It features a low on-state voltage of 1.6 V and a low off-state leakage current of 10 uA under VDRM IDRM conditions.

Triacs Feature Summary

• Isolated TO-220AB flange mount construction for enhanced thermal management and safety
• High reliability design suitable for demanding power control environments
• Low on-state voltage for improved efficiency in AC switching applications

Triacs Applications

• Industrial motor control systems
• Solid state relays
• Power regulation circuits

Triacs Procurement Notes

Verify the exact part number against official Littelfuse documentation to confirm availability and specifications. Ensure compatibility with existing circuit designs regarding voltage ratings and thermal requirements. Check for any specific ordering suffixes that may affect performance or packaging. Confirm compliance with relevant industry standards before finalizing procurement decisions.

Triacs Selection Notes

Select this component for applications requiring robust AC power control with isolation capabilities. Consider the 800V rating and 8A current capacity when designing circuits. Evaluate thermal dissipation needs due to the TO-220AB package. Compare gate trigger parameters with driving circuit capabilities to ensure reliable switching.

Triacs Part Context

This part belongs to the Qxx08xHx series of Alternistor TRIACs from Littelfuse. These devices are engineered for high-performance power switching. The series offers various voltage and current ratings within standardized packages. This specific model provides a balance of voltage handling and current capacity for general industrial use.

Triacs Replacement Considerations

Consult Littelfuse datasheets for direct replacements within the same series. Verify pinout compatibility and thermal resistance values. Ensure substitute components meet or exceed the original 800V and 8A ratings. Cross-reference gate trigger specifications with available alternatives.