V20H385P

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TVS, Varistors, or MOVs – transient voltage surge suppressors – are important components when it comes to electrical circuit protection. These devices protect the system from any voltage spike or surge that occurs due to switch-mode power supplies, electrostatic discharge, and lightning events. The V20H385P is part of this family, and it is an important solution when it comes to solving overvoltage problems.

The V20H385P is a 20mm square shape chip-type varistor designed to prevent overvoltage from occurring in systems. The device features a highly linear, non-linear breakdown voltage of 385V (±20%) for effective protection. It also has a high surge energy rating of 26J, making it suitable for high-voltage operations. In addition, it has a low temperature coefficient value of -0.1%, which ensures a high degree of accuracy between breakdown voltage and ambient temperature.

The application of the V20H385P is typically in fields where high-voltage operations are required. This can include power grids, industrial, medical, aerospace, military appliances, etc. It is also frequently used in automotive applications, such as sensors, fuel systems, and radio wave-emitting systems. Other common examples of applications are electrical motors, photovoltaic installations, and more.

The working principle of the V20H385P is quite simple. When the device is exposed to a voltage above its breakdown voltage, the varistor immediately starts conducting. This, in turn, provides a low resistance path for the current to pass through, diverting the voltage away from the system it is protecting. In addition, once the voltage returns to normal, the low resistance dissipates, and the device is once again nonconducting.

The V20H385P is also designed to remain in a stable state for long periods of time, even after massive surges. This is known as a “self-healing” phenomenon, and it eliminates the need for frequent replacement and maintenance. The device is housed in an epoxy glue package, which provides maximum protection and a high degree of insulation. Additionally, it has an operation temperature range of -40°C to 85°C, making it suitable for a wide variety of industrial and commercial applications.

The V20H385P is ideal for high-voltage protection due to its high surge rating, linear breakdown voltage, and low temperature coefficient value. Its “self-healing” capabilities make it an ideal choice for long-term protection. In addition, the device is highly reliable and offers a great degree of insulation. Due to its wide range of applications, the V20H385P is an ideal choice for a variety of electrical circuit protection requirements.

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