RLH0912-221KL

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Fixed Inductors

Inductors are one of the most important components in the world of electronic engineering. They are able to store and release electrical energy, either as a current or voltage, by creating a self-induced electromagnetic field, thus providing a form of energy storage. The RLH0912-221KL is one such example of a premium quality fixed inductor, with an applications field and working principle that makes it an ideal choice for active or passive electronic circuits.

Purpose of a Fixed Inductor

Fixed inductors are an important component in a variety of electronic circuits and devices. They are used to store electrical energy, provide impedance matching, reactance, filtering, and voltage regulation in a wide range of applications. In radio transmitters, they are used to couple signals between stages, filter undesired rf noise, and increase the transmitter power. At frequencies of 300KHz and above, fixed inductors are used for inductor resonance circuits, oscillations, pulse forming networks, and phase shifting networks. Additionally, they can be used in motor control circuits, as delay lines, and in an active power factor correction circuit.

The RLH0912-221KL Fixed Inductor

The RLH0912-221KL fixed inductor is a high-quality inductor designed to perform the wide range of applications inherent to inductors. It is designed as a single-layer type, with a winding diameter of 12mm and an inductance of 221KHZ. It consists of an electrolytic grade ferrite (Si-Fe-Ni) core, coated with self-fluxing polyurethane enamel for superior protection from oxidation, corrosion, mechanical shock, and temperature extremes. This fixed inductor is UL recognized and has a wide range of applications across many industries.

Working Principle

The working principle of a fixed inductor is based primarily on the phenomenon of inductance. When an electric current flows through a conductor, it produces a magnetic field, which causes an opposite current, or induced current, to flow in the adjacent conductor. This phenomenon is called inductance, and this is how the RLH0912-221KL fixed inductor works. The induced current, or its associated inductance, is determined by the geometry of the inductor, the number of turns in the winding, the material the winding is made of, and the applied frequency of the current. By optimizing these four characteristics, the fixed inductor can be tuned to meet the specific requirements of an application, making it an optimal choice for many applications.

Advantages and Applications of the RLH0912-221KL Fixed Inductor

The main advantage of the RLH0912-221KL fixed inductor is its stability and reliability, as it boasts an excellent temperature coefficient of inductance (TCL) and a range of self-fluxing polyurethane enamel for superior protection from oxidation, corrosion, mechanical shock, and temperature extremes. Additionally, the inductor is UL recognized and device certified, meaning it meets the requirements of major safety bodies. These characteristics make it a perfect choice for applications in various industries, including automotive, power supplies, power conversion filters, and consumer electronics. It is also a great choice for AC induction motors and generators, as well as for timing circuits.

Conclusion

The RLH0912-221KL fixed inductor is one of the most trusted and reliable inductors on the market. It is designed as a single-layer type, with a winding diameter of 12mm and an inductance of 221KHZ. Its protective self-fluxing polyurethane enamel provides it with superior protection from oxidation, corrosion, mechanical shock, and temperature extremes. This UL recognized fixed inductor is an ideal choice for a wide range of applications, including automotive, power supplies, power conversion filters, AC induction motors and generators, timing circuits, and consumer electronics.

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