V56ZS05PX2855

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Varistors, or voltage-dependent resistors (VDRs), are discrete components that feature a non-linear, voltage-dependent resistance curve over a wide range of operating voltages and frequencies. They are widely used in modern electrical and electronic devices as means of protecting against over-voltage surges. In particular, VDRs such as the V56ZS05PX2855 are commonly employed as surge-protecting devices in a wide range of consumer and industrial applications. In this article, we will discuss the application field and working principle of the V56ZS05PX2855 model.

The V56ZS05PX2855 is an operating varistor (MOV) designed for surge protection in high current applications. It offers excellent circuit protection with high power rating, low dynamic resistance, high thermal stability, and low failure rate. The V56ZS05PX2855 is ideal for applications requiring up to 55 A of surge current, including voltage line suppression in power supply systems such as automotive, telecom, industrial automation, and residential/building automation. In addition, this varistor is suitable for protecting against lightning-induced surges and spikes.

The V56ZS05PX2855 consists of a high resistivity zinc oxide element with a designed metal oxide layer on it, with a solid-state epoxy package and end caps. It is designed to have a highly nonlinear resistive curve, in which the resistance decreases sharply with increasing voltage. This nonlinear behavior helps to protect the sensitive electronics from surges and spikes. In normal operating conditions, the V56ZS05PX2855 has a high resistance to maintain a low forward current, while under overvoltage conditions, the resistance dramatically decreases to allow for high currents to flow through the device, thus protecting the circuitry against damage.

The V56ZS05PX2855\'s nonlinear resistive behavior also helps to limit the voltage across the protected circuits. The device is connected in series with the voltage source and the load, with the breakdown voltage typically set at the maximum allowable rating of the equipment. When an over-voltage surge occurs, the device grabs the excess current and quickly diverts it away from the device. This sudden diversion of current results in a spike in the device\'s resistance, which in turn lowers the voltage across the load, thus preventing any further damage.

In conclusion, the V56ZS05PX2855 is a versatile surge-protecting device designed for high-current applications. Its nonlinear behavior helps to protect the sensitive electronics from surges and spikes, while also providing protection against excessive forward currents. Additionally, the device is easy to install and requires minimal maintenance. The V56ZS05PX2855 is a reliable and cost-effective solution for protecting sensitive electronics from overvoltage damage.

The specific data is subject to PDF, and the above content is for reference