VK103MK151R050P050 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

Surge protection components play an increasingly essential role in applications across a wide range of industries. Chief among these components is surge protection devices, or SPDs, which are primarily composed of three categories of components— transient voltage suppressors (TVS), metal oxide varistors (MOVs), and gas discharge tube (GDT) surge arresters. TVS devices, in particular, have broad functionality and excellent efficiency as it is able to combat a variety of transients. Herein discusses a common application of a TVS device, the VK103MK151R050P050 Varistor, and its working principles for TVS - Varistors, MOVs.

The VK103MK151R050P050 model is a nonlinear, overvoltage protection diode in a compact package. It is specifically designed to protect sensitive equipment and systems from transient overvoltages due to lightning or ESD. The device\'s main applications include high-speed data lines, low voltage alternate currents and low-voltage directs currents, and is even suitable for providing protection in high temperature environments. Its working main principle, which is the cause of its flexibility in application, can be broken down into two parts: the avalanche voltage breakdown mechanism, and the electronic gas arc discharge.

The VK103MK151R050P050 Varistor is composed of a electrodes and a zinc oxide (ZnO) material between them. When a transient voltage is greater than the varistor’s peak clamping voltage, the ZnO material becomes resistive, forming an avalanche voltage breakdown. This identifies the slow recovery region of the device, which can range from a few microseconds to a few hundred microseconds. Within this region, the current will be limited and clamping voltage stabilized, reducing the voltage to a safe level.

Besides the ZnO breakdown, there are occasions when inrush current can become large enough to cause the discharge of an electronic gas arc, known as an arcing mechanism. This mechanism occurs when the power of the transient surge is enough to raise the arc voltage, resulting in the active generation of current. This allows for short duration, high energy pulses to be absorbed, which is especially beneficial in data communication line protection.

Based on the above-mentioned working principles, the VK103MK151R050P050 Varistor is well-suited for protecting sensitive circuitry from transient overvoltages caused by lightning or ESD. In addition, it has excellent capability for absorbing short duration, high energy pulses, which makes it ideal for high-speed data line protection. Overall, the VK103MK151R050P050 Varistor is a tremendous asset for applications across a wide range of industries for TVS - Varistors, MOVs.

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