The BT136Â TRIAC designed with 4A maximum terminal current. The gate threshold voltage of the BT136 set to low so that easily driven by digital circuits. Since TRIACs exist as a bi-directional switching device they are widely used for switching AC applications. So if you looking to switch of control (dim, speed control) an AC load that consumes less than 6A with a digital device like microcontroller or microprocessor then BT136 might be the right for you.
A Triac designed as a solid state silicon AC switch in which the gate triggered from an off-state to an on-state for either polarity of applied voltage. Triacs are one of the most prominent device in the electronic system that are widely used in AC power control applications. These devices are capable of switching to high voltages and high levels of current, and over both parts of an AC waveform. This makes triac circuits perfect for use in a range of applications where power switching is necessary. Triac circuits most commonly used in light dimmers for domestic lighting, and also used in many other power control situations.
Due to the high performance of the device, Triacs tend to used for low to medium power electronic switching applications. Triac comes with three terminals named as Annode 1, Annode 2and Gate. Gate terminals in the Triac function as a trigger to turn the device on. In addition to this the other terminals are Anodes, or Main Terminals. These terminal named as Anode 1 and Anode 2 or Main Terminal 1 and Main Terminal 2 (MT1 and MT2). While operating triacs, it is both MT1 and MT2 offers very similar properties.
APPLICATIONS
- AC Light dimmers
- Strode lights
- AC motor speed control
- Noise coupling circuits
- Controlling AC loads using MCU/MPU
- Ac/DC Power control
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