ROV05H331K-2

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TVS – Varistors, MOVs are electrical components used to protect application circuits from transient overvoltage events (surges) or small ESD events. The ROV05H331K-2 is a classic Varistor from the ROV Series of Products manufactured by WAVESHARE.

The ROV05H331K-2 offers high peak surge current capability and enhanced reliability with hermetically sealed construction, which makes it ideally used in outdoor and long life applications. Hermetically sealed components have a better power-cycling life and environmental stability, which deliver an extended 10 years life expectancy.

The ROV05H331K-2 has an operating voltage range from 0 V to 420 V, and a rated volt of 85 VAC. It is housed in a 3040 package which makes it suitable for a wide range of applications, especially those not requiring much printed board space. Its small external dimensions and high peak current capability make it an ideal choice for lightning protection in outdoor and telecom applications.

The ROV05H331K-2 works on the principle of two advanced SiO2 layers. When an overvoltage (transient) happens, the layers creates an electrical barrier that act as a diode and absorbs the excess energy. The outer layer acts as a negative differential resistance path to discharge the energy absorbed. The transient voltage is dissipated as heat energy and the circuit is protected.

The ROV05H331K-2 applications include: exterior lightning protection, charge capacitors, electrical mains protection and transient voltage surge suppression. It also could be used as a lead thru filter for low-pass filter and high-pass filter applications. Many of these applications are predominantly used in the telecom industry, power supplies, and industrial automation.

The ROV05H331K-2 is a versatile and efficient device for providing protection from transients. It provides excellent surge current rating capabilities while not taking up much space. Its hermetically sealed construction allows it to be used in outdoor applications, which provides it with a longer life expectancy than other similar devices. This combined with its surge capabilities makes it an ideal choice for applications requiring transients protection.

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