3090R-181H

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Fixed Inductors

A fixed inductor, also known as an inductor, is an electrical component that stores energy in its magnetic field and releases it in an electrical circuit. Fixed inductors consist of several components, including a wire wound or encased in a core of soft iron or other magnetic material. As electric current passes through the inductor, it creates a time varying magnetic field around the inductor’s core that stores energy. The inductor’s core is important due to its role of forming the magnetic field that is required for the storage and release of energy.

The 3090R-181H fixed inductor is a low-profile, surface-mount SMT component with a nominal inductance of 1.8 μH. It features an operating temperature range of -40°C to +125°C and a rated current up to 2.627 amps. The inductor is a widely used component in applications such as switching power supplies, DC-DC converters, and general high-frequency data circuit isolation. It is also an ideal choice for personal and commercial products requiring high-efficiency current delivery.

3090R-181H Application Field and Working Principle

The 3090R-181H application field includes electronic circuit protection and power management, automotive electronics, load switching and protection, AC/DC switching power supplies, DC-DC converters, and high-frequency data circuit isolation. The inductor is designed for surface mounting and can be placed directly on the PCB for maximum flexiblity and soldering accuracy, allowing for greater electrical performance. The inductor’s compact design fits well into tight spaces and its high-frequency operation makes it well suited for use in high-frequency data circuit isolation. In addition, it has a wide operating temperature range of -40°C to +125°C which makes it suitable for both indoor and outdoor operation.

The 3090R-181H fixed inductor works by storing energy in its magnetic field and releasing it in an electrical circuit. As electric current passes through the inductor, a time varying magnetic field is created around its core. This creates an electromagnetic field that stores energy that is released when the electric current flowing through the inductor changes. The stored energy in the magnetic field is proportional to the rate of change of current. The greater the changes in current, the greater the amount of energy that the inductor will store.

The inductor’s longitudinal core material acts as the inductor’s ‘magnet’, creating a path for the magnetic field. This helps to control the amount of energy that is stored in the magnetic field and releases it when the current changes. The inductor is designed to be compact and highly efficient in its operation, able to transfer energy quickly and with minimal loss. The construction of the inductor ensures that it is able to withstand vibrations and shocks, making it suitable for use in rugged applications and in areas where vibrations may be present.

The 3090R-181H fixed inductor is a highly reliable and efficient component that is well suited for a variety of applications. Its low-profile SMT design makes it perfect for use in tight spaces and its wide operating temperature range makes it suitable for both indoor and outdoor use. The inductor’s unique construction and high-frequency operation makes it ideal for use in applications such as switching power supplies, DC-DC converters, and high-frequency data circuit isolation.

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