BT136B-800E,118

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Thyristors - TRIACs

The BT136B-800E,118 is a TRIACs—a type of Thyristors—designated by its unique industry-specific numbering system and specifications. TRIACs are three-terminal bistable semiconductor switches most commonly used in AC circuits. These devices, unlike diode and SCR Thyristors, are bidirectional, meaning they can pass current in both directions.

Functionally, the BT136B-800E,118 TRIAC can be used to switch AC current similar to other Thyristor circuits. However, the obvious advantage of a TRIAC comes with its ability to pass current simultaneously in both directions, as compared to the other Thyristors (which can only conduct during one half of the AC cycle). This makes it very useful in applications such as light dimmers, motor control, and in many other ways around the home.

Typically, the BT136B-800E,118 has a working voltage of 800 volts and a maximum current rating of 118 amps, making it suitable for controlling large loads. It also has a twenty-micron gate oxide coating, which provides increased reliability and immunity to noise and spikes of current. Other features of this device are a low turn-on/turn-off time and an integrated temperature regulator.

Performance-wise, the BT136B-800E,118 TRIAC has a limited gate current in order to ensure reliable operation. This current is typically too small to provide a significant heating effect over the entire device. Its normal gate triggering voltage is 400 V, with a range of between 4 and 8 V, giving it a high trigger level. There is also an IGBT auxiliary control terminal which is used to modify the gate current according to the application.

The BT136B-800E,118 TRIAC can be used in several AC applications, including motor control, light dimmers, power supplies, and home appliance control. In motor control applications, it can be used to vary the amount of current passing through a motor, thereby allowing the motor to operate at different speeds and functions. In home appliance control, it can be used to switch AC current to and from any appliance.

In summary, the BT136B-800E,118 is a general-purpose TRIACs device used in AC applications. With a voltage rating of 800 volts and a current rating of 118 amps, it’s suitable for controlling large loads and can be used for motor control, light dimmers, power supplies, and home appliance control. Its twenty-micron gate oxide coating increases its reliability, and it can be triggered with a wide range of input voltages. It also features a low turn-on/turn-off time and an integrated temperature regulator, making it a helpful addition to any electronic circuit.

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