NP0120TAT1G Circuit Protection

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TVS - Thyristors

A thyristor is a three-terminal active semiconductor device, commonly referred to as a TRIAC, which functions as a switch for controlling alternating current. It is composed of two PN junctions that are connected by a section of metal. It can be used to control large amounts of power for various applications. One of the most commonly used thyristors is the NP0120TAT1G.

NP0120TAT1G Application Field

The NP0120TAT1G is suitable for use in switching and phase control applications such as motor speed controls, lighting, and heating regulation. It is also suitable for use in the power supply circuits of computers, telecommunication, and audio and video equipment. The voltage ratings of the NP0120TAT1G range from 10V to 300V, so it is highly versatile.

NP0120TAT1G Working Principle

The basic operating principle of thyristors is based on the differences between positive and negative voltages and the movement of electrons through a semiconductor junction. The NP0120TAT1G amplifies this concept by using a PNPN structure to control the current flow. The PNPN structure consists of two PN junctions in series; one of them acts as an on/off switch which can be controlled by applying the current. When the current is applied to the gate, the electron flow from the gate to the base of the PN junction triggers the thyristor into a conducting state. This conducting state will remain until either the current through the thyristor is reversed or the supply voltage is dropped below the gate voltage.

The NP0120TAT1G is a fast-recovery thyristor and is designed for applications that require fast switching at high power levels. It is made of a single layer construction and can handle current ratings up to 100mA.

The NP0120TAT1G can be used in AC and DC applications. When used in an AC setting, it can switch alternating current of up to 600V. When used in a DC setting, it can switch up to 75V.

The NP0120TAT1G is an essential part of many electrical systems, and its use is increasing due to its low cost and simplicity. It provides excellent current control for a variety of applications and is an important part of modern technology.

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