VE2220K122R020

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TVS (transmissive voltage suppressors) and MOVs (metal-oxide varistors) are important components for protecting electrical and electronic equipment against transients generated by lightning strikes, power network switching, or other sources. These transients are typically in the range of several kilovolts and can be very destructive. VE2220K122R020 is a spark gap surge protector that is classified as a TVS or MOV and is designed to provide maximum protection for high-voltage systems.

Description

The VE2220K122R020 is a voltage-dependent, non-linear resistor with a variable resistance that is proportional to the voltage. It is a two terminal device which means that it can be used for either line-to-ground or line-to-line applications. It is commonly used to protect telecommunications and electrical power systems from transients generated by lightning strikes or other sources. The VE2220K122R020 is a very fast responding device with a response time of less than 0.5 nanoseconds and an operating temperature range of -40 to +85 °C.

Features

• Rated voltage of 220V
• Operating temperature range of -40 to +85 °C
• Very fast response time of less than 0.5 nanoseconds
• Two terminal device for line-to-ground or line-to-line applications
• Non-linear resistance proportional to voltage

Applications

The VE2220K122R020 is typically used for high voltage applications such as telecommunications, power line protection, and other high-end systems that require robust protection from transients. It is also commonly used in automotive and military applications for surge protection. Additionally, it is often used to protect portable electronic devices such as laptops and smartphones from damaging transients.

Working Principle

The working principle behind the VE2220K122R020 is based on the two terminal device\'s ability to convert sudden increases in voltage into a portion of a much more gradual, low-level current. When the voltage reaches a certain threshold, the device\'s non-linear resistance will increase exponentially, effectively limiting the current and absorbing the energy of the transient. This prevents the damaging current from reaching downstream components in the circuit.

The VE2220K122R020 is designed to dissipate energy when the current through it exceeds a predetermined limit. This limit is set based on the specific needs of the application. In most cases, the device is designed to dissipate up to 1,000 watts per wire without damaging itself or triggering a thermal runaway condition. This makes it an excellent choice for a wide range of applications that need robust protection from transients.

Conclusion

The VE2220K122R020 is a two-terminal device designed to provide maximum protection for high-voltage systems. It is a voltage-dependent, non-linear resistor with a variable resistance that is proportional to the voltage. It has a fast response time of less than 0.5 nanoseconds, an operating temperature range of -40 to +85 °C, and can dissipate up to 1,000 watts per wire without damage or thermal runaway. This makes it an excellent choice for high-voltage applications that require reliable transient protection.

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