BT139-800E

The BT139-800E is a versatile and robust triac manufactured by WeEn Semiconductors, designed for use in a variety of AC switching applications. This component is particularly well-suited for controlling electrical loads in lighting, motor control, and heating systems.

Key Features:

1. Package Type: The BT139-800E typically comes in a TO-220 package, which is a standard for power devices. This package provides good thermal performance and allows for easy mounting on heatsinks, ensuring efficient heat dissipation during operation.

2. Voltage Rating: The triac is rated for a maximum blocking voltage of 800 volts, making it suitable for high-voltage applications. This capability allows it to handle significant voltage spikes, which are common in AC circuits.

3. Current Rating: The device can handle a maximum RMS current of 16 amperes, which means it can control substantial loads without overheating or failing. This makes it ideal for applications that require reliable performance under heavy load conditions.

4. Gate Triggering: The BT139-800E features a gate trigger current that allows for easy control of the triac. The gate can be triggered with a relatively low current, making it compatible with various control circuits, including microcontrollers and other low-power devices.

5. Temperature Range: The operational temperature range of the BT139-800E is typically from -40°C to +125°C, allowing it to function effectively in a wide range of environmental conditions. This robustness is essential for applications in industrial settings or outdoor environments.

6. Applications: Common applications for the BT139-800E include:

   • Light dimmers
   • Motor speed controls
   • Solid-state relays
   • Heating control systems
   • AC power switching

7. Electrical Characteristics: The triac exhibits low on-state voltage drop and fast switching capabilities, which contribute to its efficiency and performance in AC applications.

8. Safety and Compliance: The BT139-800E is designed to meet various safety standards, ensuring reliable operation in consumer and industrial applications. It is also RoHS compliant, indicating that it is free from hazardous substances.

Conclusion:

The BT139-800E from WeEn Semiconductors is a high-performance triac that combines high voltage and current ratings with excellent thermal management capabilities. Its versatility and reliability make it a popular choice for engineers and designers looking to implement efficient AC control solutions in a wide range of applications.