VK105MK151R030P050

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Varistors, also known as voltage-dependent resistors (VDRs), are semiconductor devices used to protect electrical systems by limiting overvoltages. Metal oxide varistors (MOVs), a type of varistor, are the most commonly used type of varistor today due to their robust construction and cost-effectiveness. The VK105MK151R030P050 is an MOV designed specifically for transient voltage surge suppression (TVSS) applications, and is particularly well-suited for high-energy duties such as lightning strikes, high transients, or power surges. The device is designed to withstand up to a whopping 10,000A for 5µs, which makes it ideal for a wide range of applications. Here, we\'ll take a closer look at the VK105MK151R030P050\'s application field and working principle.

The VK105MK151R030P050 is well-suited for a variety of industrial, commercial, and residential applications due to its high surge current handling capability. Examples of applications include surge suppressor modules, power supplies, HVAC systems, and DC-to-DC converters. Additionally, the device is compliant with IEC 61000-4-5, and can be used in a variety of UL and CSA listed applications. The device\'s dimensions and weight make it a convenient option for those looking to save space. Furthermore, the device has a wide operating temperature range of -55°C to 125°C, making it suitable for a variety of applications.

The VK105MK151R030P050 is a multi-layered MOV that utilizes three layers of metal oxide material to provide superior performance. The three layers are encased in a insulated plastic case that also acts as a heat sink. The case is designed to provide effective thermal dissipation and minimize irregular leakage due to overheating or capacitor movement. The device also features a unique copper shell design which helps to maintain its electrical characteristics and operating temperature. This copper shell allows the device to withstand high surge current and surge voltage while minimizing the risk of premature aging and increasing the lifespan of the device.

The device works by temporarily switching electrical resistance when exposed to a surge or high voltage. When exposed to a surge, the MOV will provide a low resistance while absorbing and dissipating the energy as heat. This reduces the amount of energy reaching the protected circuit and keeps voltage within the desired range. When the surge is over, the device will return to its original resistance state, allowing the circuit to resume normal operation. This process is repeated for each surge and helps to protect the circuit from further damage.

In summary, the VK105MK151R030P050 is an ideal choice for a wide range of TVSS applications due to its high surge current handling capability and surge voltage rating. Its unique copper shell design enables it to withstand high surge currents and voltages while minimizing the risk of premature aging and increasing its lifespan. It is also compliant with IEC 61000-4-5 and UL/CSA certified, making it suitable for a variety of industrial, commercial, and residential applications. With its compact size and wide operating temperature range, this device is the perfect choice for those looking for a reliable MOV that can withstand the toughest surges.

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