STMicroelectronics BTA26-800BW Triac

The BTA26-800BW is a high power bi-directional triac manufactured by STMicroelectronics, designed for AC switching and phase control applications such as motor control, heating regulation, and lighting control. This robust and versatile triac is suitable for a wide range of high current applications thanks to its high blocking voltage and surge current capabilities.

Key Features

• High Blocking Voltage: The BTA26-800BW offers an impressive blocking voltage of 800V, making it suitable for applications requiring high voltage operation.
• High Surge Current: With a non-repetitive surge peak on-state current of 260A, this triac can handle high peak currents, ensuring reliable performance during surge conditions.
• Rated RMS On-State Current: A high RMS on-state current of 25A allows for continuous operation in high power applications.
• Snubberless Technology: This triac incorporates STMicroelectronics' snubberless technology, which allows it to be used in applications without additional snubber circuits, simplifying design and reducing component count.
• High Immunity to dV/dt: The device can withstand high dV/dt, ensuring stable operation under fast voltage transients.
• Gate Trigger Current: The gate trigger current is specified at a maximum of 50mA, which is low enough to be driven by microcontrollers and other logic-level devices.

Applications

The BTA26-800BW is ideal for a variety of applications where efficient AC power control is required. It is commonly used in:

• Motor speed controllers
• Domestic lighting dimmers
• Industrial heating systems
• Static relays
• AC power tools

Package and Quality

This triac comes in a robust and isolated RD91 package, providing excellent thermal performance and ensuring high reliability. STMicroelectronics' commitment to quality means that the BTA26-800BW is designed and manufactured to meet the highest industry standards for performance and durability.