B72520V0170K062

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TVSs or transient voltage suppressors, MOVs or metal oxide varistors, and VDRs or varistors are passive electronics components designed to protect delicate electronics from high voltage transients, surges, and electrostatic discharges. The B72520V0170K062 is a popular MOV produced by EPCOS that is primarily used for telecoms applications, such as Ethernet and serial communications. This guide will discuss the B72520V0170K062\'s application field and working principle.

The B72520V0170K062 is a radial-leaded MOV integrated with additional measures against thermal shocks and mechanical stresses. It\'s suitable for use in wide voltage ranges since it has an operating voltage of 170V (max. DC) and a surge voltage of 590V (max., 8/20µs). The B72520V0170K062\'s electrical characteristics correspond to its surge current ratings with a maximum clamping voltage of +150V.

Typical applications for the B72520V0170K062 can be found across various industries, such as telecommunications and automotive. In telecommunications, the B72520V0170K062 is an ideal choice for Ethernet and serial communications, as it provides robust EMC protection. It is also used in industrial automation, motor control applications, and HVAC systems. In the automotive industry, the B72520V0170K062 can be used as a protection device in ADAS (Advanced Driver Assistance Systems) and other onboard electronic systems.

Now let’s move on to the working principle of the B72520V0170K062. The B72520V0170K062 is composed of a semiconductor structure that contains two layers of a cermet material. This two-layer structure is a form of varistor, meaning it can be used to reduce lineside and equipment transients. When a transient voltage is applied across the B72520V0170K062, it will produce a result known as clamping. This is where the device acts as a short circuit and acts as a shunt to the line to reduce the voltage to an acceptable level. Once the voltage is released, the device will reset itself to its original state.

In summary, the B72520V0170K062 is a radial-leaded VDR suitable for various applications, particularly in telecommunications and automotive. It can withstand a wide range of voltages and offers a maximum clamping voltage of 150V. The working principle of the B72520V0170K062 is based on a two-layer cermet varistor that acts as a short circuit during transients, reducing the voltage to an acceptable level. Understanding how this device works and what it can do is key to ensuring reliable protection for a variety of electronic systems.

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