ELL-4LM2R0N Inductors, Coils, Chokes

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Fixed Inductors: ELL-4LM2R0N Application Field and Working Principle

The fixed inductors are one of the most important components in electronic circuits. Its main feature is that it stores energy in the form of magnetic field. The magnetic field will be generated when a current passes through it. Fixed inductors are commonly used in different applications such as signal filtering, wave shaping, and radio or telecom signal transmission etc. Among them, ELL-4LM2R0N is one of the most popular fixed inductors.

The ELL-4LM2R0N is an efficient and flat inductor, designed with a patented automated winding production process. The application field of this inductor is communications, computers, TVs and audio, security and surveillance, medical and home audio systems etc. It is especially suitable for 48V DC-DC converter, car audio and general consumer applications.

ELL-4LM2R0N is composed of four main components: magnetic core, insulated winding wires, resin coating and heat dissipation film. The magnetic core is made of powdered iron and has good permeability and soft saturation characteristics. The insulated winding wire is coated with resin to further enhance the insulation performance and uniformity of the winding. The resin coating is used to strengthen the strength and resistance of the winding to environmental and external factors. The heat dissipation film is used to dissipate the generated heat from the winding.

The working principle of the ELL-4LM2R0N is quite simple. When an electric current passes through the windings of the inductor, the magnetic field is generated between the coil windings and the magnetic core. This magnetic field generates a force in the winding which opposes the electric current. This force will increase the inductance of the component and thus limit the electric current passing through the inductor.

The the highest rated temperature of the ELL-4LM2R0N is 125℃ and the highest peak temperature is 150℃. The rated current ranges from 500mA to 3.5A and the parasitic resistances are at 0.085Ω for 0.6A version and 0.2Ω for 5.0A version. The rated inductance ranges from 2.2mH to 89mH which is ideal for DC/DC converters and professional audio applications.

ELL-4LM2R0N is an ideal choice for several applications due to its superior performance and features and also its good cost-effectiveness and energy efficiency. Comparing to other inductors, the ELL-4LM2R0N provides better characteristics and features and its smaller size makes it suitable to fit in limited space as well.

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