Description: The BTA140-800,127 is a Thyristor (also known as a TRIAC) manufactured by WeEn Semiconductors. It is a three-terminal semiconductor device that can be used to control the current in an AC circuit. It is rated for 800V and 25A, and is packaged in a TO220AB package.

Features:
- 800V rated voltage
- 25A rated current
- TO220AB package
- Low on-state voltage
- High surge current capability
- High commutation capability
- Low thermal resistance
- High temperature operation

Applications: The BTA140-800,127 Thyristor is suitable for a wide range of applications, including motor control, lighting control, heating control, and power switching. It is also suitable for use in AC power control circuits, such as dimmers, motor speed controllers, and AC power supplies.