TMOV25SP300E

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TVS (Transient Voltage Suppressor) devices are electrical components that have the purpose of providing protection from high voltage transients. Varistors, also known as Metal Oxide Varistors (MOVs) are a type of TVS component. MOVs are used in many applications, from telecommunications equipment, to domestic or automotive electronic circuits. In this article we will discuss the application fields and the working principles of TMOV25SP300E, which is one of the most commonly used MOVs.

Description

TMOV25SP300E is a standard-surge MOV, meaning it uses metal oxide varistors to absorb voltage transients. The MOV consists of two metal plates covered with a sintered film made of zinc oxide. The film and plates are held together by a ceramic housing. The two plates are connected to a lead(s) so that it can be connected to a circuit. The MOVs can be use for transient suppression in circuits spanning up to 1500 V.

Working Principle

The MOVs work by providing a specified level of electrical protection when there is a high voltage transient that occurs on the circuit. When a transient voltage occurs the MOVs reduce the peak voltage on the circuit by absorbing the excess voltage. The MOVs can absorb up to 500 volts before it needs to be replaced. The MOVs will continue to absorb excess voltage until it reaches its maximum rated voltage.

When this happens, the MOVs will begin to heat up due to the excess voltage on the circuit. This excess heat causes the MOVs to expand, which in turn causes the zinc oxide particles in the MOVs to break down, releasing the stored energy. This releases the excess voltage on the circuit and protects the other components in the circuit from damage due to the transient voltage.

Application Field

TMOV25SP300E devices can be used for a variety of applications that require transient suppression. This device is commonly used in telecommunications, automotive, and data processing applications. It is also suitable for use in the protection of equipment, and in the protection of circuits from power line disturbances.

The device is also well suited for protection of circuits in audio and video equipment. As the MOVs can protect circuits from high voltage transients that occur on the power line, it is very useful in applications where power lines are exposed to high voltages, such as power generation facilities. Additionally, it is ideal for use in circuits that are sensitive to high voltage transients, such as those found in computer and digital electronics.

In addition to protection of circuits, the device can also be used for high voltage regulation. This is due to the fact that the MOVs can absorb excess voltage without having to have an increase in current or voltage. This makes it ideal for applications in which a steady voltage supply is needed.

Overall, the TMOV25SP300E is a versatile and reliable protection device that can be used in a variety of applications that require protection. It is easy to install and is compatible with many circuit designs, making it a popular choice for many engineering applications.

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