TMOV34S331M

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TMOV34S331M is an electrical device that can protect circuits from transient overvoltage. It is categorized into TVS - Varistors, MOVs. This article will discuss the application field and working principle of the device.

In general, TMOV34S331M has a maximum 130V working voltage and 950V peak pulse power dissipation. It is widely used in consumer electronics, industrial control, automotive, telecommunication, power management, home appliance, computer, defense, and aerospace. It can protect sensitive and low power electronic equipment from overvoltage.

The MOVs are integrated circuits with construction consisting of mosaic-like electrodes on the surface of a ceramic substrate. The electrodes are typically made of metal, such as silver, nickel, or aluminum. As the voltage between the electrodes increases, the dielectric strength of the air gap between the electrodes is exceeded and an electric spark jumps, causing a short circuit. This short circuit causes a current to flow through the MOV.

Generally, TMOV34S331M is an AC voltage surge protector upon overvoltage and overcurrent conditions. It features an ultra-low leakage current, fast response time, and high surge capability. More specifically, it limits peak current to <5% of the MOV maximum current rating. This limits damage to body diodes caused by overvoltages.

The TMOV34S331M is constructed with two coils which are connected in series to form an interwinding loop. The electromagnetic effect of the current crossing through the coils produces a voltage. This voltage is used to voltage clamp the MOV. The MOV absorbs the excess voltages and limits the current to a predetermined level.

In addition, TMOV34S331M is also equipped with integrated fuses. The purpose of the fuses is to prevent overcurrent and to limit the damage to components. The fuses are made of a special material that changes shape and breaks when exposed to too much current. This ensures that the device can survive extreme currents with minimal damage.

In conclusion, TMOV34S331M is a reliable device that can protect circuits from transient overvoltage. It is widely used in various electronic devices and is equipped with a unique construction and integrated fuses. It limits peak current and absorbs overvoltages to protect sensitive and low power electronic equipment.

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