V42MLA1206NH Circuit Protection

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V42MLA1206NH is a leaded type metallized varistor. The V42MLA1206NH is a voltage dependent resistors (VDR) designed to protect circuits against surge, transient voltages, ESD, EFT, and O load dumps. It is suitable for applications like power electronics, communication, automotive, military and industrial control systems.

With a diameter of 6.8 mm and a height of 4.2 mm, the V42MLA1206NH provide industry-leading ultraminiature size and weight and excellent performance. The V42MLA1206NH features low leakage current, fast response time, low series impedance, and excellent repeatability.

In terms of application fields, the V42MLA1206NH is suitable for various applications including AC adapters, battery-powered electronics, automotive electronic computers, PDs, optical communicators, and all types of circuits with similar capacity.

The working principle of V42MLA1206NH is the same as other metallized varistors, which is electric current control. When an excessive voltage appears in the V42MLA1206NH, the electric current through the device will increase due to their non-linear resistance. When the current through the V42MLA1206NH reaches its limit, the voltage across the device will start to reduce because of the additional electric current, thus reducing the voltage between two metal electrodes.

In terms of work, after surge voltage, the V42MLA1206NH can limit excessive electric current and absorb it. It also can decrease the reverse voltage, reduce voltage stress, and keep the electric circuit from damage. Furthermore, V42MLA1206NH can provide the side function of safety against ESD, EFT, and O load dump.

In summary, V42MLA1206NH belongs to TVS - Varistors, MOVs. It has the characteristics of small size, low leakage current, high breakdown voltage, fast response time, and excellent repeatability. It is suitable for various applications like AC adapters, battery powered electronics, automotive electronic computers, PDs, optical communicators, and all types of circuits with similar capacity.

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