V470ZT05P

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The V470ZT05P is an integrated multi-layer varistor (MLV) that is used for transient voltage suppression (TVS). This device offers a surge survivability of 20 kA, and it can protect range of equipment from the harmful effects of electric surge voltage.

Varistors are electrical components that are used in circuit designs to limit the amount of voltage that is allowed to pass through a circuit. When a voltage reaches a preset amount, known as the clamping voltage, the varistor blocks the voltage and turns the remaining energy into heat.

The V470ZT05P is a “multi-layer varistor”, which means that it is made up of multiple layers of different materials, such as zinc oxide, to create a larger surface area in order to dissipate more energy.

When the voltage across the junction rises above the rated value, the V470ZT05P immediately and instantaneously blocks the surge shortly after its occurrence, thereby preventing any damage to the connected equipment. This MLV has a maximum breakdown voltage of 5V, a maximum leakage current of 1mA, and a maximum clamping voltage of 23V.

The V470ZT05P can be used in a variety of applications including security systems, power supplies, motor control circuits, and audio/video systems. In motor control circuits, the V470ZT05P can be used to protect the motor from voltage spikes generated by short-term loads or capacitor switching. In audio and video systems, the V470ZT05P is used to protect against power surges that can degrade the quality of signals.

The working principle of the V470ZT05P is relatively simple. It consists of a junction between two layers of zinc oxide, each with a different bandgap energy. When a surge voltage occurs, electrons in the higher energy bandgap are energized and tunnel into the lower bandgap, creating an electric field which blocks the surge voltage.

The V470ZT05P, with its multi-layer varistor technology, provides superior performance and reliability. It offers excellent surge protection in a wide range of applications, making it an ideal choice for designers who need to protect their designs from voltage spikes.

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