V3.5MLA1206NH Circuit Protection

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TheTVS - Varistors, MOVs, is the industry term that encapsulates both varistors and metal oxide varistors, such as theV3.5MLA1206NH. This type of device is used to protect connected circuitry from voltage transients or electrical surge. It works by clamping voltages above an adjustable level, diverting the energy away from the protected circuit for either absorption or dissipation.

The V3.5MLA1206NH is a particularly well-suited varistor for TVS applications. It provides high surge-energy absorption capable of countering transient voltages or electrical surge up to 40A (8/20 μs). It has a peak ac voltage rating of 600V and a peak pulse current of 40A (Ipp) as well as a maximum static voltage of 230V. The device is just 3.5mm in diameter and has RoHS compliant lead-free termination.

A typical application for theV3.5MLA1206NH would be in power supplies or motor controllers. Here, the device is typically connected in parallel with the circuit that is being protected. When a voltage spike or surge occurs, the device will divert the excess energy away from the protected circuit. This prevents the damage that could be caused due to excess voltage or electrical surge.

The working principle of theV3.5MLA1206NH is based on the principle of the metal-oxide varistor. The device is composed of two layers of zinc oxide, which are charged with either a positive or negative electric current. This electric current creates an electric field between the two layers, which is now able to resist the influx of energy in the form of voltage or current surges, and divert it away from the circuitry.

TheV3.5MLA1206NH is an excellent device for providing protection for sensitive electronic components, but it should not be used as a replacement for regular fusing. Fuses are also necessary to protect circuits in the event of faults, such as shorts, and will ensure that damage is minimised in the event of an electrical fault.

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