V220CH8S

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A V220CH8S is a variable resistor used to protect sensitive circuits against transient overvoltage. It is commonly used in audio and video equipment, as well as in various industrial applications. The V220CH8S is manufactured by Teletronx, Inc. and is a small, surface mount device, measuring just slightly over 1/8th of an inch in size. The device consists of two electrically complementary elements; a thermistor and a varistor.

The thermistor acts as a temperature-sensitive resistor, increasing its resistance as temperature increases. This helps protect the device from overheating. The varistor acts as a voltage-dependent resistor, increasing its resistance as the voltage increases. This helps protect the device from overvoltage. Together, the two components create an electrical barrier that helps protect the sensitive circuits against transient overvoltage.

When the transient overvoltage is higher than the V220CH8S rated limits, the thermistor and varistor elements increase their resistance values until the applied voltage reaches a safe level. This prevents the sensitive circuits from ever being exposed to a harmful voltage. The two elements are designed to react very quickly, typically in microseconds, ensuring a fast and effective response.

The V220CH8S can be used in a variety of applications where transient overvoltage protection is needed. It is used in illuminated switches, front panel indicators, and power supplies. It can also be used in a variety of consumer electronics such as CD players, DVD players, HDTVs, and various other types of audio and video equipment. In addition, it is used in industrial applications such as motors, generators, and transformers.

The V220CH8S is an excellent choice for providing fast and effective overvoltage protection for a variety of applications. It is easy to install and is very small, making it suitable for a wide range of uses. More importantly, it helps protect sensitive circuits from damage due to transient overvoltage, ensuring uninterrupted and reliable performance.

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