MLV1812E33003T Circuit Protection

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TVS (transient voltage suppression) devices are used to protect devices from over-voltage or transient over-voltage caused by fault or other issues. They have the feature of being able to clamp and divert the excess voltage from sensitive components. Varistors, MOVs (metal oxide varistors) and other devices are part of TVS family. MLV1812E33003T is one of these devices and its application field and working principle are explained below.

MLV1812E33003T is designed for use in a variety of applications such as telecommunications, automotive, and industrial applications. This device features an ESD (electrostatic discharge) protection of up to 45kV, and is UL (Underwriters Laboratories) recognized and RoHS (Restriction of Hazardous Substances) compliant. The component offers excellent surge protection for up to 5,000W.

The working principle of MLV1812E33003T is based on the concept of clamping. The device acts as a clamp which captures and diverts the excess voltage, thereby protecting the connected equipment. When the voltage on the line increases due to a surge, energy is dissipated in the form of heat. Since the device is non-conductive, it will not cause short circuits during these over-voltage or surge conditions.

The device works by clamping voltage across the component when the voltage reaches its rated operation voltage level, which is usually located between 5V to 30V. When the voltage exceeds this level, the device will absorb the excess energy which will be dissipated in the form of heat. The voltage clamping feature also helps to reduce EMI/RFI interference.

MLV1812E33003T is an efficient means of protecting sensitive electronic components from over-voltage and power surge. It offers excellent ESD protection and provides reliable surge protection up to 5,000W. With its clamping feature, it can absorb and divert the excess voltage, thereby protecting the connected equipment.

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