V18ZC2P

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TVS (transient voltage suppressor) devices are available in two major categories: varistors and MOVs (metal oxide varistors). V18ZC2P is a metal oxide varistor manufactured by Littelfuse, Inc. that is designed to protect electronic circuits from high-voltage spikes. This device is specifically designed for very fast, low-impedance protection against electrostatic discharges (ESD), lightning strikes, and high-voltage events. In this article, we will explore the applications and working principle of V18ZC2P.

V18ZC2P has a variety of applications in the industrial, automotive, and consumer electronics industries. It is suitable for use in power supplies, automotive fuel systems, medical equipment, digital audio systems, telecommunications, microwave ovens, TV/monitor protection circuits, and solar inverters. Additionally, V18ZC2P is used in RC (Radio Controlled) toys, such as RC cars and RC planes, to provide surge protection. In these applications, the device helps to ensure that the delicate circuits are not damaged by sudden electrical spikes.

The working principle of V18ZC2P is based on the resistance properties of zinc oxide. When voltage is applied to the device, a small electric current is generated that produces increased resistance. This increased resistance limits the current and dissipates the excess energy generated by the electrical spike, thus preventing damage to the circuit. The device has a wide operating temperature range of -40°C to 125°C and can withstand transient voltages of up to 5.5kV. Additionally, the device has a low typical operating current of 100μA and a low total capacitance of 0.614pF.

The V18ZC2P has a voltage range of 5 to 36V and peak current ratings of 37.5A and 75A (see datasheet for specifics). The device also has a very low failure rate of 1 per 100,000 specimens. This makes the device highly suitable for a variety of industrial, automotive, and consumer electronics applications where reliable and robust surge protection is required.

In summary, V18ZC2P is a popular metal oxide varistor that is designed for low-impedance protection against various transient events such as electrostatic discharge and lightning strikes. It has a wide operating temperature range and can be used in a variety of applications, including power supplies, automotive fuel systems, and RC toys. Its low typical operating current and low total capacitance make it highly suitable for a variety of industrial, automotive, and consumer electronics applications that require reliable and robust surge protection.

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