V250SM7 Circuit Protection

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

A TVS or Transient Voltage Suppressor, also known as a Varistor or Metal-Oxide Varistor (MOV), is a critical component in the protection of electronic devices. The V250SM7 is a type of Varistor specifically designed to provide robust protection for sensitive electronics from damage or destruction caused by transient voltage events. It works by shunt routing high energy surges to ground, safeguarding the connected components from the effects of overvoltage.

This varistor is specifically designed for AC power line surge protection. It features low clamping voltage, high energy absorption, and tight tolerance of the clamping voltage, making it ideal for high surge protection applications. The V250SM7 is composed of a ceramic body, stamped metal end caps, and a zinc-oxide layer. It has a high dV/dt and low thermal coefficient which allows it to provide high quality protection from surges and spikes.

When selecting a suitable TVS device for AC line protection, the time domain of the transient voltage can be used as a key factor in determining which device is most suited to the application. Ideally, the V250SM7 should be placed very close to the protected components, so the device can react quickly to transient voltage events by shunt routing them to ground with minimal delays.

The typical peak pulse current of the V250SM7 is 2500A, and it has a capacitance of less than 5pF, making it ideal for applications that require a low impedance shunt path. Furthermore, the varistor has a low limiting voltage of 17V, ensuring that all sensitive components in the circuit are protected from overvoltages caused by transient voltage events. It also has a low thermal coefficient, which allows it to manage and absorb a large amount of energy without overheating.

In operation, the V250SM7 senses when its connected load is exposed to a transient voltage event and reacts quickly, shunting the surge to ground. This reduces the amount of time that the connected components are exposed to the negative effects of overvoltage, such as damage or destruction of the connected components. This makes it ideal for applications where overvoltages could potentially cause catastrophic damage.

The V250SM7 is a versatile and reliable Varistor, with a wide range of applications such as AC power line surge protection, power supplies, industrial control systems, telecom equipment, and other sensitive electronics. Its low clamping voltage, high energy absorption, and tight tolerance of the clamping voltage make it ideal for high surge protection applications, allowing it to provide robust protection from transient spikes and surges.

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