BT138Y-800E,127

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Thyristors - TRIACs are one of the most important types of electronic semiconductor devices used in electronic circuits. The BT138Y-800E is a TRIAC device which is used in many applications that involve switching, timing, and power control.

The BT138Y-800E is a three-terminal device that consists of a gate, main terminal, and anode terminal. It is an extremely efficient device, capable of providing extremely low on-resistance down to just 800 ohms. It is designed to handle currents of up to 10 amps and voltages up to 600V.

The BT138Y-800E is primarily used in AC switching applications and motor control. It is most commonly used as a speed control unit in motor speed control applications. It is also used in power control applications, such as in dimmer switches, speed regulators, and in devices used to control the power input of sensitive electronic components.

The BT138Y-800E utilises the principle of variable resistor phase control which works by controlling the amount of phase lag between an AC current and its associated voltage. This allows for extremely precise control over the current, enabling the user to adjust the voltage or current as needed.

The device is a non-polarised thyristor and offers both synchronous and asynchronous control, which means it can control both AC and DC currents. The BT138Y-800E also has a low forward voltage drop, making it extremely energy efficient.

The device is also highly reliable and has a long life span. It is resistant to both shock and vibration, making it highly suitable for use in industrial, automotive, and consumer applications. The BT138Y-800E is also available in a variety of packages, making it easy to integrate into nearly any circuit design.

In summary, the BT138Y-800E is a highly reliable and efficient device that is used in a wide range of AC switching, motor control, and power control applications. It features an extremely low on-resistance of just 800 ohms, and is capable of handling currents of up to 10 amps and voltages up to 600V. It utilises the principle of variable resistor phase control and is able to provide synchronous and asynchronous control over both AC and DC currents. The device is also highly reliable, resistant to shock and vibration, and available in a variety of packages.

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