TMOV34S111MP

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The TMOV34S111MP is a part of the Transient Voltage Suppression (TVS) product family from Littlefuse.

A TVS is a device that is designed to protect electronic equipment from voltage transients and other voltage surge events. TVS are commonly divided into three major categories; Varistors, Metal Oxide Varistors (MOVs), and Transient Suppression Diodes (TSDs). The TMOV34S111MP falls into the MOV category.

MOVs are solid-state voltage-dependent overvoltage protection devices, usually two-terminal, consisting of a nonlinear element and a metal oxide compound. They shunt transient currents to ground during an overvoltage event and then reset automatically when the voltage returns to the defined safe operating level. MOVs offer fast response, low clamping voltage, and high thermal dissipation, making them ideal for protecting circuits from ESD, lightning surges, induced surges, and switching spikes.

The TMOV34S111MP is specifically designed to protect sensitive electronic components in high-performance, high-speed data communications systems and other high-speed motors. It offers a rated working voltage of 111V and a peak pulse power dissipation of 3400W (10/1000μs). It also has fast response time (less than 5 ns), good overvoltage protection, and high current-carrying capacity (up to 0.6A).

The working principle of the TMOV34S111MP is simple. In the device, the MOV is serially shunted with a high-voltage diode. When an overvoltage transient occurs, the MOV instantly shunts the transient current to ground, thus reducing the peak voltage on the circuit. The diode functions as a clamp, reducing the voltage to a safe level, and preventing the MOV from being damaged by excessive current.

The TMOV34S111MP is an ideal device for protecting sensitive electronic components in high-speed devices. It has a fast response time, good overvoltage protection, and a high current-carrying capacity. It can be easily integrated into any system, making it a reliable source of protection for your electronic components.

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