MLV1206E34003T Circuit Protection

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TVS –Varistors, MOVs are essential components in automation systems, which protect sensitive electronics from power line surge discharges in power distribution systems as well as in industrial, medical and data communication applications. The MLV1206E34003T is a transient voltage suppressor (TVS) from the MLV Series of surge protection devices (SPDs) that offers robust, reliable protection from the stresses associated with surges and lightning. The MLV1206E34003T can be used in both industrial and consumer-level applications in order to safeguard equipment from overvoltage events.

The MLV1206E34003T is a Unidirectional VDC TVS device with a low capacitance of 5 pF (maximum) and a low Clamping Voltage of 3.4 V maximum. With its minimum breakdown 6 V, reverse voltage protection is assured. Also, this TVS device has the capability to dissipate up to 6 W of energy for transient protection during high-energy surge events. The high-speed response time of the MLV1206E34003T is an added advantage as it ensures that sensitive equipment is not subjected to dangerous voltage levels for an extended period of time.

The MLV1206E34003T is ideal for applications such as industrial control systems, AC/DC adapters, appliances, motor drivers, solar inverters, wiring systems, and UPS applications. Additionally, it can also be used in automotive, telecom, and medical equipment.

The working principle of the MLV1206E34003T is based on the avalanche principle, where the voltage across the device is inversely proportional to the current passing through it. Transistors and MOVs (Metal Oxide Varistors) both use this principle to limit overvoltages from exceeding a certain threshold, and they are used in conjunction with each other in the MLV1206E34003T.

The MLV1206E34003T consists of two layers – the PN junction layer and the avalanche layer. In the PN junction layer, when a voltage is applied across the device, a current flows from the P to the N side as the PN junction is reverse biased. This current decreases as the voltage increases, until the avalanche breakdown occurs at the avalanche layer.

This is when the current begins to increase exponentially, no matter how much voltage is applied, and it acts as a conduction path to protect sensitive equipment from high energy pulses. This current is then limited by the MOV, which dissipates the energy stored in the capacitor connected to the line.

The MLV1206E34003T is a robust, reliable, and cost-effective solution for surge protection and lightning protection applications. With its low-profile package, it is perfect for space-constrained industrial environments, and its high-speed response time and low capacitance ensure protection from damaging overvoltage events.

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