The BTA04-400A is a high-performance triac manufactured by STMicroelectronics, designed for AC power control applications. This semiconductor device is capable of switching and controlling high-current loads up to 4A, with a maximum voltage of 400V, making it an excellent choice for a wide range of applications, including motor control, lighting dimmers, and heating regulation.

Key Features

• Current Rating: The BTA04-400A can handle currents up to 4A, which is suitable for moderate power applications.
• Repetitive Peak Off-state Voltage (Vdrm): With a maximum repetitive peak off-state voltage of 400V, this triac can be used in applications with high voltage requirements.
• Gate Trigger Voltage (Vgt): A low gate trigger voltage ensures that the triac can be easily driven by a microcontroller or another low-power gate signal source.
• Surge Current: It has a non-repetitive surge peak on-state current for a sinusoidal pulse with a width of 10ms, providing robust performance during short overcurrent conditions.
• Package: Available in a TO-220AB package, the BTA04-400A is designed for easy mounting on a heatsink, which is crucial for thermal management in high-power applications.

Applications

The versatility of the BTA04-400A allows it to be used in various AC power control environments. Typical applications include:

• Home appliances such as electric fans, kitchen appliances, and electric heaters
• Lighting systems including dimmers and automated lighting controls
• Industrial motor control for conveyors, pumps, and small machinery
• Temperature control systems and thermostats

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality and reliability, and the BTA04-400A is no exception. This triac is designed to meet stringent industry standards, ensuring a reliable performance in even the most demanding applications. With its robust design and proven manufacturing process, the BTA04-400A is a product that engineers and designers can trust for their AC power control needs.