CW201212-18NJ

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A fixed inductor, also known as a true inductor, features a set amount of inductance that is selected by the manufacturer. This is different from adjustable inductors, which allow the user to modify the inductance to achieve specific requirements. The CW201212-18NJ fixed inductor is designed to have a higher self-resonant frequency and lower low level noise when compared to other general purpose inductors. The design of this inductor can be helpful in applications such as switching power supplies, DC to DC converters, and other filtering applications.

The CW201212-18NJ fixed inductor has a rating of 1.8uH and an inductance tolerance of ±45%. The inductor\'s saturation current is 2.27A, while it also features a rated current of 1.09A. Additionally, the CW201212-18NJ fixed inductor features an operating temperature range of -40C to 150C, with a stable frequency range of 0.1MHz to 1MHz.

The working principle of a fixed inductor is based on Faraday\'s Law, which states that the amount of induced voltage in an inductor is dependent on how quickly the kinetic energy is changing. The inductor, upon being exposed to a changing magnetic field, generates an electrical current that is proportional to the rate of change of the flux. "Flux" is defined as the magnetic field lines passing through the inductor\'s core.

The purpose of an inductor is to store energy in its magnetic field and then be released when needed. This process is commonly referred to as inductive reactance, which occurs due to the opposing magnetic fields generated by the inductor when a current is applied. This results in a drop of the current, while at the same time the voltage is increased.

The CW201212-18NJ fixed inductor features a wide operating temperature range and low noise, making it ideal for use in a variety of applications. The inductor is typically used in switch-mode power supplies, DC to DC converters, power inverters, and other filtering circuit designs. It is also a good choice for high current noise filtering applications and for Suppression ofSwitch Transients in automotive applications, as well as high frequency switching.

In summary, the CW201212-18NJ fixed inductor features a high self-resonant frequency, low noise, and wide operating temperature range, making it ideal for use in diverse applications. When powered with a current, the inductor creates an opposing magnetic field that results in inductive reactance, providing voltage and current regulation. This makes the CW201212-18NJ fixed inductor an ideal choice for applications such as switching power supplies, DC to DC converters, power inverters, and other filtering designs.

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