V20E17P

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TVS - Varistors, MOVs has become a reliable, widely used component in EMC filter applications. The V20E17P series is a good example of MOVs. It is used to protect components and circuits against damage by transient voltage and current. Below, we will look at its application field and the working principle of the V20E17P.

Application Field of V20E17P

The V20E17P broadly applies to the following types of applications:

• Surge / over-voltage protection for external power lines (AC or DC)
• Input damage suppression for internal lines such as I/O, signal and data
• Circuit protection against ESD (electrostatic discharge)
• Signal line protection against over voltage events
• Circuit protection against high frequency digital noise

V20E17P boasts high performance, making it suitable for various applications. It has excellent surge capacity performance, wide working temperature range, low clamping voltage, and very high current capability.

Working Principle of V20E17P

MOVs operate based on their multilayer structure or Varistor principle. They consist of alternating layers of different semiconductors (which can be metallic and non-metallic). When a voltage pulse is applied to the terminal, an electric field occurs in these layers. The charge carriers generated by this electric field are accelerated by the electric field, and the surplus energy dissipates in the form of heat.

V20E17P’s unique non-linear characteristic is used to dissipate energy. MOVs do not consume power, but instead release excess energy from electrical transients. When voltage on a line rises, MOVs will reduce the voltage, blocking surge currents.

MOVs are designed with extremely high withstanding voltage range and low leakage current. These features give it excellent surge handling capability with limited impact on noise immunity. It has high surge voltage protection level ranging from 5V up to 275V. This makes it adequate for circuits and equipments.

Conclusion:

Conclusively, V20E17P is an excellent component for EMC filter applications. It has broad application fields including surge/over-voltage protection for external power lines, circuit protection against ESD and high frequency digital noise, and signal line protection against over voltage events. Its unique non-linear characteristic and multilayer structure make it very reliable and efficient at reducing voltage and dissipating energy. Coupled with its high surge voltage and low leakage current, MOVs are an ideal choice for various applications.

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