QJ4016NH4RP

Triacs Overview

The Littelfuse QJ4016NH4RP is a snubberless TRIAC alternistor designed for AC power control applications. It features a rated repetitive off-state voltage (VDRM) of 400 V and an on-state RMS current (It RMS) of 16 A. The device supports non-repetitive peak on-state currents of 200 A. Key electrical parameters include a maximum holding current of 50 mA, a gate trigger voltage of 1.3 V, and a gate trigger current of 35 mA. It operates within a temperature range of -40°C to +150°C and utilizes a TO-263AB-3 package.

Triacs Feature Summary

• Snubberless design eliminates the need for external RC snubber networks
• High thermal stability with operation up to 150°C junction temperature
• Robust switching capability with high dv/dt ratings

Triacs Applications

• AC motor speed control systems
• Solid-state relay implementations
• General purpose AC power switching circuits

Triacs Procurement Notes

Verify component authenticity through authorized Littelfuse distributors or certified suppliers. Confirm datasheet revision and package marking alignment with procurement orders. Ensure storage conditions comply with moisture sensitivity levels specified in the manufacturer documentation prior to assembly.

Triacs Selection Notes

Select this component for applications requiring reliable AC power switching without external snubbers. The 400V rating suits standard single-phase mains voltages. Verify that the 16A RMS current capacity meets load requirements and consider thermal management strategies given the 150°C operating limit.

Triacs Part Context

This part belongs to the Littelfuse QJ series of alternistors, which are specialized TRIACs optimized for snubberless operation. The series provides enhanced reliability in AC control applications by integrating internal design features that prevent false triggering and improve switching performance compared to standard TRIACs.

Triacs Replacement Considerations

Direct pin-compatible substitutes within the same Littelfuse family may exist but require verification of specific electrical parameters such as VDRM and It RMS against original design constraints.