BT139-800E,127

The BT139-800E,127 is a high-performance triac manufactured by WeEn Semiconductors, designed for use in various AC switching applications. This component is particularly well-suited for controlling power in lighting, heating, and motor control systems.

Key Features:

1. Type: Triac

   • The BT139-800E is a bidirectional device, meaning it can conduct current in both directions, making it ideal for AC applications.

2. Voltage Rating: 800V

   • This triac can handle a maximum voltage of 800 volts, allowing it to be used in high-voltage applications without the risk of breakdown.

3. Current Rating: 4A

   • It has a maximum on-state current of 4 amperes, which makes it suitable for moderate power applications.

4. Package Type: TO-220

   • The device is housed in a TO-220 package, which provides good thermal performance and allows for easy mounting on heatsinks for better heat dissipation.

5. Gate Trigger Current: Low

   • The BT139-800E features a low gate trigger current, which means it can be activated with minimal input, making it efficient and easy to control.

6. Temperature Range: -40°C to +125°C

   • The operational temperature range allows for versatility in various environmental conditions, ensuring reliable performance in both low and high-temperature settings.

7. Applications:

   • Commonly used in light dimmers, motor speed controls, and other AC power control applications. It is also suitable for use in solid-state relays and other switching devices.

8. Electrical Characteristics:

   • The device exhibits low on-state voltage drop and fast switching capabilities, contributing to its efficiency in power control applications.

Summary:

The BT139-800E,127 from WeEn Semiconductors is a robust and versatile triac that offers high voltage and moderate current handling capabilities, making it an excellent choice for a variety of AC control applications. Its low gate trigger current and wide temperature range further enhance its usability in different environments and applications.