V85MLA1210A

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TVS (Transient Voltage Suppressors), MOVs (Metal Oxide Varistor) and V85MLA1210A are all important components that play a vital role in protecting equipment from voltage spikes and surges. This article is designed to review the application field and working principle of V85MLA1210A. V85MLA1210A is a type of TVS/MOV (Transient Voltage Suppressor/Metal Oxide Varistor), which can protect circuit from over-voltage transients and catastrophic events caused by lightning or transmission failure. It can absorb high-energy discharges up to 8,500amps and clamp surge voltage to a safe level in μsec timespan. Furthermore, it can offer protection to both AC and DC voltages. V85MLA1210A has good stability and endurance to achieve the purpose of protecting equipment from lightning or transmission failure. It has two layers of internal construction, an N-type MOSFET and a P-type MOSFET in parallel, providing the devices to clamp quickly while maintaining a low on-state resistance. The highly uniform microscopic crystal structure gives V85MLA1210A outstanding performance, better reliability, and higher high-energy capability.In terms of the application field, V85MLA1210A is mainly used in electronic and electrical systems, such as communication systems, industrial control systems, automotive equipment, medical equipment and other equipment with lightning protection requirements. It is also used in communication networks, such as coaxial cables and optical fibers, as well as for power cables and signal cables such as CAT 5/6.In terms of its working principle, when a voltage spike or surge occurs, an avalanche conduction phenomenon occurs in V85MLA1210A. The P-type MOSFET and N-type MOSFET in V85MLA1210A are rendered conductive and a current passes through them to carry out a voltage clamping process. When the voltage spike is greater than the avalanche threshold of V85MLA1210A, the avalanche effect will occur, and the voltage across the device will be clamped and the excess surge energy will be dissipated as heat. Then the voltage at both ends of the device is clamped to a relatively safe level, thus protecting other components in the circuit.To sum up, V85MLA1210A is a highly reliable TVS/MOV device with outstanding performance and higher high-energy capability, which is mainly used in electronic and electrical systems with lightning protection requirements. It can protect circuit from over-voltage transients and catastrophic events caused by lightning or transmission failure, while the working principle involves an avalanche conduction phenomenon that clamps the voltage to a safe level in microseconds.

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