3090R-392G

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Fixed inductors are components that store and lead electrical energy by inducing a magnetic field. The 3090R-392G is a COG (Class 2) fixed inductor suitable for use in small signal saturation standard circuit applications.

The 3090R-392G features a thin-film construction – with the winding pattern visible through the colour-coded body – and a very low DC resistance. It offers high-frequency operation (up to 1GHz) and a wide operating temperature range of -55°C to 125°C.

Sophisticated automated production techniques ensure uniform performance characteristics from inductor to inductor, and high-reliability construction ensures consistent electrical and environmental performance. The 3090R-392G is available in three physical sizes to simplify system design.

Application Field

The 3090R-392G fixed inductor provides miniature, low-profile size and exceptional performance for a range of applications across the electronics industry. Examples include voltage regulator, RF noise filter, amplifier, oscillator, and impedance matching circuits. The inductor can also be used in power supply circuits, peripheral circuits (USB, I2C, etc.), switching regulator circuits, amplifier circuits, and transmission circuits.

Working Principle

Fixed inductors work on the principle of Faraday\'s law, which states that a magnetic field will be induced around a conductor carrying a current through a changing magnetic field. The magnetic field around the inductor is proportional to the current flowing through it, so when current is flowing through the inductor, it induces a magnetic field and stores energy in the form of magnetic flux. This magnetic field induces voltage in the coil and increases the inductance of the coil. When the magnetic field changes, the energy stored in the magnetic field is released and the current decreases accordingly.

The 3090R-392G has a construction featuring a winding pattern visible through the colour-coded body. This winding pattern has a significant influence on the electrical characteristics of the inductor. The pattern of the windings helps the inductor to have a higher frequency of operation and can also be adjusted to ensure optimal operation even when working in extreme temperature ranges.

In addition, the winding pattern of the low-profile 3090R-392G helps to reduce the inductance value and the DC resistance. This increases the inductor’s efficiency and enables it to handle higher currents.

Conclusion

The 3090R-392G COG fixed inductor is suitable for use in small signal saturation standard circuit applications across the electronics industry. Its thin-film construction, winding pattern visible through the body, and very low DC resistance capability, make it suitable for high-frequency operation and wide temperature range applications. Its sophisticated automated production techniques ensure uniform performance characteristics from inductor to inductor, and high-reliability construction ensures consistent electrical and environmental performance. Its winding pattern affects its electrical characteristics, allowing it to handle higher currents. The 3090R-392G offers a miniature, low-profile size and exceptional performance for a range of applications in the electronics industry.

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