Littelfuse Through Hole 3-Pin TRIAC 400 V Rated 4A Gate Trigger 1.3V Q4004L3TP

Littelfuse Q4004L3TP is a 3-pin through hole TRIAC semiconductor rated for 400 V and 4A average on-state current. Designed primarily for AC switching and phase control applications, it provides reliable performance in motor speed regulation, temperature modulation, and lighting controls.

This device features glass-passivated junctions, supporting voltage capabilities up to 1000 V and surge current ratings up to 55 A. The TRIAC operates quietly with restricted radio frequency interference, dependent on the triggering point in the AC sine wave.

The compact TO-220 package design facilitates effective heat dissipation and easy mounting on heatsinks. With gate trigger voltage of 1.3 V and maximum trigger current of 10 mA, it supports sensitive and precise control often required in digital control circuits and microprocessor-driven applications.

Designed for reliability over a wide temperature range from -40°C up to 125°C, this TRIAC ensures stable operation under harsh industrial and commercial conditions. Bi-directional solid state switching for AC power control.

Glass-passivated junctions provide durability and stability. High surge current rating supports demanding load conditions. Sensitive gate allows direct microprocessor or opto-isolator drive. Compact TO-220 package enables efficient heat management.

Wide operating temperature range suitable for various environments. Reduces electrical noise and eliminates contact wear. Ideal for motor control, lighting dimmers, and temperature regulation.

This Littelfuse TRIAC is suitable for industrial, laboratory, HVAC, manufacturing, and commercial electronic applications. It balances performance with ease of use for system designers requiring efficient AC switching solutions.

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