MOV-20D301KTR Circuit Protection

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A MOV-20D301KTR is a type of TVS (Transient Voltage Suppressor) Varistor, and more broadly a Metallized Polymer Overvoltage Protection (MOV). MOVs are intended to protect electrical circuits from excessive voltage surges, and can be used as a surge current protection, a surge arrester, a lightning arrester, or an overvoltage protector.

MOVs are composed of sintered multilayer ceramic disks made from zinc oxide, and are often referred to as varistors. They are designed to absorb and divert the excess voltage away from sensitive electronic components. Specifically, the MOV-20D301KTR is a 20V radial-lead varistor device that is used to protect against overvoltage or transient events.

The MOV provides protection by limiting the voltage across a device. When the voltageacross the device exceeds its maximum rated limit, the MOV allows the excess voltage to be diverted to the ground, thus keeping the device protected from damage. This protection is achieved by using a characteristic known as voltage dependent resistance (VDR), which is a nonlinear feature of the MOV.

The MOV-20D301KTR is ideal for protecting against surge events up to 1000VDC or 600VAC. Its rated maximum operating voltage is 20V, and its maximum peak clamping voltage is 33V. The device also provides a maximum surge current capability of 180A, and can handle up to 500A of peak pulse current. The MOV is also designed to protect against reverse polarity, which can help prevent further damage in the event of a power surge or current overload.

The MOV-20D301KTR is designed for use in a wide range of equipment, including automotive, personal electronics, telecommunications, industrial control, and consumer electronics applications. It is commonly used in applications that require protection from surges and overvoltage events such as power supplies, motors, automotive systems, power over Ethernet, and more.

In conclusion, the MOV-20D301KTR is a popular type of TVS Varistor that is designed to provide protection against overvoltage and transient events. It has a wide range of applications, and its nonlinear voltage dependent resistance allows it to absorb and divert excess voltages away from sensitive devices. It also has a high surge current capability and is designed to protect against reverse polarity. With all of these features, the MOV-20D301KTR is an ideal choice for protecting sensitive electronic components from damage caused by overvoltage events.

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