When a sensitive circuit must under no circumstances have too high a supply voltage applied, then some means of disconnecting the supply must be provided. One way to achieve this is to trigger a ...

This application note presents different types of overvoltage protection devices for solid-state relays. The document also provides suggested recommendations on their selection and use with the Vishay ...

When testing your devices, it may become apparent that the device needs protection against an overvoltage condition. Most power supplies offer some form of overvoltage-protect (OVP) circuit. The OVP ...

With the 2020 revision of the NEC, Art. 242 replaced two individual Articles that appeared in earlier editions of the Code — Art. 280 [Surge Arrestors] and Art. 285 [Transient Voltage Surge ...

Capacitor Voltage Transformers (CVTs) are central to modern power systems, where they not only scale high transmission voltages into measurable signals but also ensure the precision needed for ...

A modern distribution system that feeds a facility having a significant environment of susceptible electronic equipment requires protection against lightning-induced overvoltages. And when an overhead ...

Integrated AC power-off detection and X capacitor discharge function Integrate various protection functions, such as VDD overvoltage/undervoltage protection, input AC ...

Voltage transformers (VT) are used in electrical grids for metering and/or protection purposes. The high requirements regarding their precision demand a calibration ...

The NCP346 from ON Semiconductor is an overvoltage protection circuit (OVP) optimized for applications with an external ac-dc adapter, a car charger accessory and/or a battery recharger. Delivering ...