V251HF34

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 (Transient Voltage Suppressor), or Varistor, is a capacitor-like device designed to protect sensitive electronic equipment from damage caused by spikes in electrical current. This type of protection is especially important if the equipment is subject to any sort of unexpected voltage spikes caused by lightning strikes or power surges. The V251HF34 is a type of polymeric TVS designed to offer protection from voltage transients up to 3000 volts. This article will discuss the application field and working principle of the V251HF34.

The V251HF34 is designed to protect systems in a variety of environments. It is able to withstand a maximum surge current of 6500A (8x20 μs) and can operate in temperatures of up to 125°C. This makes it well-suited for applications such as automotive electronics, industrial control systems, telecommunications equipment, and consumer appliances. In addition, the device is RoHS compliant and UL recognized, so it meets a variety of official requirements for safety and quality.

How does the V251HF34 work? It consists of a stack of zinc oxide discs sandwiched between two layers of electrodes, which are then connected to the circuit. The zinc oxide discs have a higher resistance to current when the voltage is low, and a lower resistance when the voltage is high. When an unexpected spike in voltage is detected, the device responds by quickly increasing its resistance, thus preventing the spike from reaching the protected circuit. In addition, the V251HF34 incorporates an external resistor that controls the clamping voltage depending on the required protection level.

As with any surge protection device, the V251HF34 should be combined with other protection methods such as fuses, circuit breakers and surge protectors for additional effectiveness. It is important to take into consideration the current flow and voltage levels of the system being protected, and select a suitable limiting voltage for the V251HF34 and other components.

In conclusion, the V251HF34 is a robust Polymeric Transient Voltage Suppressor that is useful in a variety of applications. Its low capacitance, wide operating temperature range, and high surge current make it well-suited for harsh environments. By understanding its working principles and proper application, engineers can easily integrate the V251HF34 into their designs.

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