ELJ-SA181KF Inductors, Coils, Chokes

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Fixed inductors are electric components that store electrical energy in the form of a magnetic field in an enclosed volume. They are commonly used to provide a constant current for a variety of power applications. The ELJ-SA181KF is a fixed inductor with a rated inductance of 1.81 mH +/- 200 mH with an operating temperature of -55 C to 120 C. This component is typically used in switching power supplies, such as notebook adapters, and also in Class D amplifiers.

This device is constructed with a magnetic core material with high saturation flux density and a copper winding for excellent electrical performance. The ELJ-SA181KF is rated for voltage up to 100V and has a current capacity up to 1.6A. The core material used in this device is a ferrite-based core, which is composed of a ferritic alloy and a ferric oxide. The ferrite based material is highly efficient due to its low magnetostriction and resistivity.

The component has a compact size, making it ideal for design flexibility and cost efficiency. It also has strong shield capability and an excellent temperature coefficient, making it highly reliable in a broad range of temperature conditions. In addition, it has extremely low noise levels compared to traditional inductors, providing better signal fidelity and clarity.

The working principle of the ELJ-SA181KF is based on Faraday\'s law of induction. When a current-carrying wire is placed in a magnetic field, it will induce a current in the wire. The magnetic field produces a circular flux around the wire, and the induced current flows in the opposite direction to that of the original current. This induced current is referred to as the back-emf, and it opposes the applied current, reducing its intensity.

Additionally, the ELJ-SA181KF is used in applications where high inductance is required. This type of inductor effectively reduces or eliminates resonance, increases voltage stabilization, and reduces interference. It is also used to suppress spike voltages and inductive loads. Because of the low core loss of this device, it can be used to increase the efficiency of power systems, particularly in systems with high power ratings.

Overall, the ELJ-SA181KF offers high performance and reliability in the range of fixed inductors. It is energy efficient and has low noise levels. Its highly efficient design and construction allow for high inductance and make it a viable choice for a wide range of applications. Additionally, this device has good shielding and temperature coefficient, making it capable of handling a wide range of temperature conditions. Therefore, the ELJ-SA181KF is an excellent choice for energy efficient designs and switching power supplies.

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