V22ZA05

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Variable voltage suppressors (VVS) are a type of semi-conductive electronic component that is used to protect sensitive equipment from overvoltage, EMI, and transient spikes.They are also called Transient Voltage Suppressors (TVSs).

The V22ZA05 is a zinc oxide based transient voltage suppressor (TVS) designed specifically for protecting AC and DC power supply rails, EMI/RFI input lines, and signal lines from voltage spikes and transient overvoltage. It is composed of an array of zinc oxide varistors, typically in a radial lead configuration or an integrated circuit, and can be used for both AC and DC voltage suppression. The varistors used in the V22ZA05 are made of zinc oxide, which has a higher breakdown voltage than the more common silicon varistors.

The V22ZA05 portion of the varistor is usually found in the front-end of any power supply system and is used to protect sensitive components from overvoltage. It operates by actively diverting overvoltage away from vulnerable components, such as input and output terminals, and it is also used to provide EMI/RFI noise filtering and transient voltage protection. It can be used for both single-phase and three-phase systems.

When an overvoltage occurs, the zinc oxide varistors in the V22ZA05 will be activated and absorb the excess voltage. The power supply system is protected from overvoltage, while the zinc oxide varistors act as an insulator against EMI/RFI. When the overvoltage subsides, the varistors will reset and return to their normal operating state.

These components are typically constructed using a radial lead configuration with a leaded design or SMT type components, and they can be easily integrated into existing power supply systems. The V22ZA05 is typically available in a wide range of voltage ratings, from 8 to 440 volts, and they come in two models – UL and TÜV-approved. They also come with a variety of mounting options, for use in both standard and custom applications, and with various insulation levels for use in high temperature environments.

In order to protect the varistor against thermal overloading and electrical overloading, the V22ZA05 should be operated within the allowable peak current surge rating. This device has an operating temperature range of -55 to +105°C and is rated to dissipate up to 600 watts of power. It also has an equivalent series inductance of 0.1µH.

Overall, the V22ZA05 is a rugged and reliable varistor that is ideal for protection against overvoltage transients and EMI/RFI noise. It is has a wide voltage rating, is easy to implement in existing power supply systems, and is available in a variety of mounting options. With its robust design and reliable performance, the V22ZA05 is an excellent choice for any application that requires reliable voltage protection.

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