Q4004R3TP

Triacs Overview

The Littelfuse Q4004R3TP is a four-quadrant triac designed for AC power control applications. It features a TO-220AB package with three leads for through-hole mounting. The device has a rated RMS on-state current of 4 A and a repetitive peak off-state voltage of 400 V. Key electrical parameters include a maximum gate trigger current of 10 mA, a maximum gate trigger voltage of 1.3 V, and a peak on-state voltage of 1.6 V. The component supports a surge current rating of 55 A and maintains a holding current of 20 mA. It operates within a temperature range from -40°C to +125°C.

Triacs Feature Summary

• Four-quadrant sensitivity enables reliable triggering across all gate polarities.
• High surge current capability supports robust performance in inductive loads.
• TO-220AB package facilitates efficient heat dissipation for high-current applications.

Triacs Applications

• Solid-state relays
• Motor speed controls
• Lighting dimmers

Triacs Procurement Notes

Verify the specific suffix R3TP against official Littelfuse documentation to confirm pinout configuration and thermal characteristics. Ensure the selected distributor provides traceable components matching the Teccor brand specifications. Cross-reference the datasheet revision date to guarantee compliance with current manufacturing standards before finalizing orders.

Triacs Selection Notes

Select this component when a 4 A RMS current rating and 400 V blocking voltage are required for AC switching. The TO-220AB package is suitable for applications needing robust mechanical stability and effective thermal management. Verify that the gate trigger requirements align with the driving circuit capabilities, specifically noting the 10 mA maximum gate current specification.

Triacs Part Context

This part belongs to the Littelfuse Teccor Q series of four-quadrant triacs. The series is engineered for general-purpose AC power control. The Q4004R3TP variant specifically utilizes the R3TP suffix to denote the TO-220AB package style. This family offers standardized electrical characteristics for industrial and consumer electronics markets.

Triacs Replacement Considerations

Equivalent parts include the STMicroelectronics BTA16 or BTB16 series for similar current ratings. Check Littelfuse cross-reference guides for direct replacements like the Q4004L3TP, ensuring package and electrical parameter compatibility before substitution.

Triacs FAQ

What is the maximum repetitive peak off-state voltage?

The maximum repetitive peak off-state voltage (VDRM) is 400 V.

Does this triac support four-quadrant triggering?

Yes, the Q4004R3TP is a four-quadrant triac, allowing triggering with either positive or negative gate signals relative to the main terminal 1.

What is the operating temperature range?

The device operates within a junction temperature range of -40°C to +125°C.