VC1210M251R004 Circuit Protection

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VC1210M251R004 Application Field and Working Principle

TVS (transient voltage suppression) diodes are used effectively in electronics for over-voltage spike protection. A Variety of protective elements like varistors, metal oxide varistors (MOVs), and transient voltage suppression diodes are available. MOVs provide voltage dependent protection by diverting excess electrical energy away from critical components of the structure and into the MOV, thereby protecting the electrical devices from potential damage.

The VC1210M251R004 is a multi-layer, surface mount, metal oxide varistor (MOV) which is specifically designed to protect electrical and electronic equipment from transient voltage surges. This MOV features a 1210 form factor, and is rated for a peak pulse current of 25A (10/1000µs). The VC1210M251R004 is specifically designed to provide overvoltage protection to a variety of electrical and electronic devices.

Application Field

The VC1210M251R004 is widely used in variety of electrical and electronic devices. It is ideal for applications such as telecommunications, servers, smart devices, supervisory control and data acquisition systems, military/aerospace applications, security systems, consumer electronics, and much more. It can be used on a large number of DC/AC circuits in both consumer and industrial applications. These include home appliances such as refrigerators, washing machines and dryers, air conditioners, personal computers, laptops, TV’s, audio systems, portable chargers and multi-tone switches. It is also suitable for any industrial electronic, electrical, laboratory, telecommunications, and automotive equipment. It is also widely used to protect power supplies, motor drives, connectors, semiconductors, and a variety of other components.

Working Principle

The VC1210M251R004 is a self-healing, single-component device that performs voltage-protected overvoltage protection from transient events of up to 250V. It features a varistor-based nonlinear element that responds to an overvoltage condition to divert and limit the voltage to a safe level. When a voltage spike occurs, the MOV device diverts the extra electrical energy away from the protected component to itself, thus protecting it from damage.

The MOV device is designed with a robust steel core that helps to dissipate heat quickly. The MOV incorporates a specifically designed varistor element that ensures reliable over-voltage protection even at very low temperatures. The varistor element is able to absorb and dissipate any excess voltage quickly, limiting its transfer to other components. The MOV also exhibits a very low dynamic impedance, which ensures that the MOV does not become a source of excessive electrical noise within the application.

In summary, the VC1210M251R004 is a highly reliable over-voltage protection device that can be used in a wide range of applications. It provides effective protection against over-voltage transients and ensures that other components are protected from damage. The MOV is able to handle up to 250V and features a robust steel core that helps to dissipate heat quickly. The varistor element integrated into the MOV ensures reliable overvoltage protection even at very low temperatures.

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