T507147064AQ

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Thyristors are a special type of semi-conductor devices which play a significant role in controlling electric current. One of the most commonly used thyristors is the T507147064AQ. This article provides information on the application field and working principle of the T507147064AQ.

The T507147064AQ is a three-terminal thyristor which is mainly used as a reversing switch, that is, its role is to switch the flow of electric current in devices such as alternating current (AC) motors and lighting circuits. It is also used in suppression of voltage spikes and transient voltage suppression. The T507147064AQ is characterized by its simple switching operation, high current capacity, and the ability to switch both positive and negative voltages.

The working principle of the T507147064AQ can be broken down into a few stages. A small amount of current is applied on the main controlling terminal, which is normally referred to as the gate. This small current allows a larger current to pass through the device. This larger current is known as the \'hold-on\' current. Once this hold-on current has been reached, the thyristor is said to be turned on, and will conduct current until the supply voltage is removed or the gate current is reversed.

The process of turning off theSCR(Silicon controlled rectifier or thyristor) is known as commutation. The process of commutation can be carried out in several ways, depending on the nature of the application. In AC circuits, commutation can be achieved by either reversing the polarity or reducing the applied voltage. In DC circuits, on the other hand, the process of commutation relies on the current mirror effect which reverses the current. This process is known as \'mixed commutation\' and is achieved through the use ofresistors and capacitors.

The T507147064AQ is a highly viable choice for controlling alternating current. Its various features such as wide voltage ratings, good input-output impedance matching and high blocking capability make it a preferred choice when compared to other thyristors. Additionally, its ability to be used in both AC and DC circuits and its high surge capability make it a highly versatile device.

In conclusion, the T507147064AQ is a great option for controlling AC current, and can be applied to variety of devices such as AC motors and lighting circuits. Its three-terminal design, combined with its ability to handle both AC and DC current, make it an incredibly versatile thyristor.

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