V120RA8

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Surge protection components are an important first line of defence against surges and other power irregularities on the AC line (such as spikes, electrostatic discharge, lightning, and line noise). Varistors, also known as voltage dependent resistors (VDR), are the most commonly used components for surge protection, but non-linear resistors such as the MOV (metal oxide varistor) or PTC (positive temperature coefficient) can also be used for this purpose. The V120RA8 is a specialised varistor device designed to provide excellent protection against surges and other power irregularities on the AC line.

The V120RA8 is an 8-pin varistor that is designed to be mounted in DIP (dual in-line package) packages. It has the capability to handle large overload and transient voltages, up to 1500Vdc and 600Vac, respectively. This makes the device suitable for AC line surge suppressors, as well as for transient protection of high-voltage surge circuits and AC line equipment.

The device is composed of a zinc oxide (ZnO) core, two metal plates attached to either end of the varistor, and a ceramic material coating the zinc oxide core. This design provides high impedance and low-loss characteristics, which helps to reduce peak current levels and protect sensitive electronics. The device is also designed to provide over-voltage protection, allowing the maximum current to be reached without damage to the device. This helps to ensure the safety of connected devices.

The V120RA8 is typically used in AC line surge suppressors to protect sensitive electronics equipment from power induced spikes and transients. Its zinc oxide core provides high impedance and low-loss characteristics so that peak currents can be reduced to safe levels and connected electronics remain safe. Over-voltage protection also ensures that the device will not be damaged by the transient itself.

In addition to surge protection, the V120RA8 can also be used for AC line EMI filtering. Its ceramic coating helps to filter out high-frequency noise and reduce EMI interference in the AC line. This makes the device ideal for applications that require reliable AC power and noise-free performance.

The V120RA8 is a versatile varistor device that can be used for many applications in power electronics. Its zinc oxide core provides high impedance and low-loss characteristics making it ideal for surge protection, EMI filtering, and other AC line applications. Its over-voltage protection ensures that connected devices remain safe during transient events.

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