VE2220K122R030 Circuit Protection

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TVS (Transient Voltage Suppressors) can be used to protect sensitive electronic systems from transients, overvoltages, voltage spikes, and other source of overvoltage transients. Varistors (also known as metal oxide varistors) and MOVs (Metal Oxide Varistors) are typically used for this purpose and are able to absorb and dissipate large amounts of energy. The VE2220K122R030 is one such device and is often used in applications such as automotive, communication, and industrial power systems. In this article, we will discuss the application field and working principle of the VE2220K122R030.

The VE2220K122R030 is a 2.2kV/12.2V varistor with an energy rating of 30 joules. It is an 80mm disc-type device designed for transient overvoltage protection and is able to withstand high voltages. Its unique design allows for low leakage currents and high energy dissipation and, as such, it is suitable for a variety of applications. The device is available with an operating temperature range of -40°C to +85°C, making it suitable for a wide range of applications.

In terms of application field, the VE2220K122R030 is primarily used in automotive, communication, and industrial power systems. It is used to protect sensitive electronics from overvoltages, transients, voltage spikes, and other sources of overvoltage transients. This device is suitable for use in automotive and industrial automotive systems because it has a low clamping voltage, excellent surge handling capability, and fast response time. It is also used in communication systems due to its high surge capability and lightning protection.

The working principle of the VE2220K122R030 is based on the fact that a varistor is a device that has a nonlinear voltage-current relationship, known as the voltage coefficient of capacitance. When a voltage transient exceeds the varistor\'s maximum rated voltage, the varistor begins to conduct and effectively dissipates and lowers the voltage to a safe level. The VE2220K122R030 is made of metal-oxide and is composed of two parts. The outer part is composed of two electrodes with an insulating layer between them while the inner part consists of small, metal-oxide particles that can move freely when a voltage is applied. When the voltage across the varistor exceeds its maximum rated voltage, the metal-oxide particles move and form a conductive path which limits the voltage to the varistor\'s clamping voltage level and dissipates incoming energy as heat. This helps protect sensitive electronic systems from electrical pulses.

In conclusion, the VE2220K122R030 is a 2.2kV/12.2V varistor with an energy rating of 30 joules. It is an 80mm disc-type device designed for transient overvoltage protection and is often used in a variety of applications such as automotive, communication, and industrial power systems. The working principle of the VE2220K122R030 is based on the fact that a varistor has a nonlinear voltage-current relationship which limits the voltage to the varistor’s clamping voltage level and dissipates incoming energy as heat, thus protecting sensitive electronic systems from electrical pulses.

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