TMOV34S551EP

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TMOV34S551EP is a unidirectional overvoltage protection device that belongs to the TVS - Varistors, MOVs product family. It is used mainly for protecting systems against transient overvoltages, enabling reliable and safe operation of electrical equipment. This device has a wide range of applications, including protection for electromechanical systems, power supplies and audio/video devices.

The TMOV34S551EP consists of two voltage-variable components, a metal oxide varistor (MOV) and a solid state voltage regulator (SSVR), which provide a highly reliable solution for frequent overvoltage protection. The MOV and SSVR work together to ensure that the voltage level is under control and the overvoltage protection is activated when necessary. For this device, the protection voltage is nominally set to 34V. When the voltage exceeds this level, the MOV will clamp the voltage and reduce the overvoltage stress on the protected system.

The component also features built-in protection circuitry that prevents the breakdown of the MOV. This reduces the risk of damage to the device due to sustained overvoltage. The MOV is also protected from ESD transients by an electrostatic discharge protection diode. This diode will divert any excess charges away from the MOV to ensure its proper operation.

The TMOV34S551EP is designed to be used in extreme environments and can handle a wide temperature range, from -40°C to +125°C. It is also highly resistant to vibration, humidity, and corrosion, making it suitable for use in extreme conditions. The device is also UL Recognized and RoHS compliant, ensuring that it meets international safety and environmental standards.

The working principle of the TMOV34S551EP is fairly simple, yet highly effective. When the input voltage exceeds the specified protection voltage, the MOV will quickly clamp the voltage, reducing the amount of overvoltage that reaches the protected system. The SSVR then maintains the voltage at a safe level, preventing it from exceeding the specified limit and protecting the system from damage.

The TMOV34S551EP is a highly reliable and cost-effective solution for overvoltage protection in any system. It provides superior protection against transient overvoltages, ensuring reliable and safe operation of power supplies, audio/video equipment, and other electrical equipment. This device is a great choice for applications that require enhanced protection against frequent overvoltage events.

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