TMOV14R175E

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TVS (Transient Voltage Suppressor) diodes and MOVs (Metal Oxide Varistor) are essential components in various protection circuits commonly employed in consumer electronics, smart power grids, telecommunications, and automotive systems. The TMOV14R175E is a 14mm radial lead module with a peak pulse power of 125A and 1750V breakdown voltage.

The main application fields of the TMOV14R175E are:

• Data and communication equipment protection, such as computers, LAN, modems, telephones, etc.
• Consumer electronics protection, such as TVs, microwave ovens, DVD players, video cameras, game consoles, etc.
• Protection circuits for power supplies, solar cells and battery charging systems.
• Automotive systems, such as ECU, airbag systems, instrumentation.

Through its high elasticity and low impedance, an MOV is able to rapidly absorb an excessive current form a protection circuit and release it back to the circuit, thereby limiting the voltage fluctuations. The TMOV14R175E is designed to protect against over-voltage and over-current surges. To enhance its protective ability, the TMOV14R175E also features over-temperature protection and lower-leakage current.

The working principle of the TMOV14R175E relies on its low-resistive film when it’s functioning normally. It is then arranged parallel to the existing circuit. Under this configuration, when a transient occurs, the low-resistive film quickly drains the excess current from the circuit while being able to withstand a sufficient amount of over-voltage.

The film consists of a plurality of metal oxides with a variety of properties. Undervoltage and overvoltage conditions lead to successive improvements in the electric field of the thin-film layers and breaking down of the insulation within the configuration. After a while, the over-voltage and over-current surges are brought under control, draining the excess current off to a safe level and protecting the circuit.

In summary, the TMOV14R175E is a 14mm radial lead module designed to protect circuits from transient and surge voltage. It is used for a wide range of consumer electronics, data and communication equipment, automotive systems, solar cells, and power supplies. With its over-temperature protection and lower-leakage current feature, it is well-suited for sensitive electronic systems. As with any protection device, the TMOV14R175E shall be connected in accordance with the approved circuit, and with consideration for other components in the circuit.

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