CN1812L8G

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TVS (transient voltage suppressor) are electrical components used to protect against surges caused by electrical storms, power outages, or from extreme voltage due to short circuits on the power input line. Varistors, also known as metal oxide varistors, are the most commonly used type of TVS. Varistors are two-terminal, non-linear voltage dependent resistor (VDR) devices that provide transient voltage suppression and transient current control. MOVs (metal oxide varistors) are a class of transient voltage suppressors (TVS) that provide protection to electronic systems from transient voltages. They are used to redirect excessive transient voltages to ground.

The CN1812L8G is a metal-oxide varistor (MOV) designed for surge and ESD protection. It has an array of eight varistors in a small SOD-123 package. It is designed to protect against transient overvoltage and lightning-induced surge due to lightning strikes or AC power line disturbances. The device has a voltage rating of 180V and a family capacitance range of 8 to 15pF.

The working principle of the CN1812L8G is based on varistor technology. Varistors are two-terminal, non-linear voltage dependent resistor (VDR) devices that provide transient voltage suppression and transient current control. The device utilizes a varistor element that is composed of a ceramic material which consists of zinc oxide particles dispersed in a polymeric medium. When a voltage is applied across the device, a very small amount of current flows through it until it reaches its breakdown voltage. As the voltage increases, the current increases dramatically above the breakdown voltage. The high-current will then be redirected to a safe point such as the ground.

The device has a wide variety of applications. It is used to protect electronic systems from short-duration, transit voltage spikes with a peak pulse power rating of 500W. It can be used in telecommunications systems, aircraft and automotive systems, networking equipment, consumer electronics, solar inverters, and UPS systems. It is also suitable for applications such as lightning protection, surge protection, overcurrent overload protection, line discharge and creepage protection, ground loop protection, and ESD protection.

The CN1812L8G is a highly reliable device that combines small size and a wide operational temperature range. It is designed to protect sensitive electronic equipment from overvoltage transients, ESD, and lightning-induced surge. This device is ideal for high-frequency applications because it has a very low capacitance and excellent low-frequency noise immunity. With its compact size, excellent thermal performance, and wide operating voltage range, the CN1812L8G is ideal for a range of applications.

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