TMOV34S551MP

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TMOV34S551MP is a product by Su\'scon that is part of the company\'s Transient Voltage Suppressors (TVS) which includes Varistors, MOVs (Metal Oxide Varistors) and other devices.

In terms of application, the TMOV34S551MP can effectively and reliably protect against lightning, transients, and surges on all ungrounded and neutral wiring. It is commonly used in power supply, ungrounded connectors, motor controls and more. TMOV34S551MP can also be used in equipment that are exposed to high voltages, such as Industrial Control Equipment, Meter Boxes, Gas Pumps, and Automotive Applications.

In terms of working principle, when a large voltage or surge is encountered, TMOV34S551MP diverts the surge current away from the circuit, thus protecting the main components and wiring from destruction. A metal oxide varistor is made using a special kind of ceramic material which is build in a sandwich type construction. That is, its structure is made from a combination of highly resistive semiconductor and oxide layers.

When a voltage is applied to this structure, the entire structure changes its resistance, such that current begins to flow and the voltage is reduced. This process reduces the voltage experienced by the circuit, thus providing the necessary protection. Furthermore, when the voltage drops, the resistance returns to its original state, resulting in the protection being disabled until the next surge is experienced.

In terms of design, the TMOV34S551MP has a high surge capacity of 600 A @ 8/20 usec Wave Form, with a maximum Clamping Voltage of 653V (8/20 usec). It also has a high DC voltage capability of 850V, as well as a low capacitance of 4500pF. Furthermore, it has a wide Operating Temperature Range of -60°C to 150°C, making it suitable for many different applications.

In summary, the TMOV34S551MP is a versatile device which can protect against surges and transients, and can be used in many different industrial and automotive applications. Its metal oxide varistor construction allows it to provide reliable and effective protection. Furthermore, it has a high surge capacity, a wide operating temperature range, and low capacitance.

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