ER1025-00JM

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Fixed Inductors

Fixed inductors, also known as chokes, are available in various shapes and sizes, depending on the application and design source. They are typically in the form of a coil or a parallel coil, with or without internal ferrite core, but may also be constructed with torroidal or trifilar cores. Inductors have a wide range of uses and are often used in high-frequency electronic circuits. One such example of a fixed inductor is the ER1025-00JM.

ER1025-00JM Application Field and Working Principle

The ER1025-00JM is a surface mount fixed inductor designed for use in high-frequency DC/AC electronics. It is based on a ferrite core which is wound with copper-coated Litz wires. The core and winding together create a coil-type inductor with a uniform inductance value throughout.The ER1025-00JM is primarily designed for use in variable frequency drive (VFD) and switch-mode power supplies (SMPS). It offers excellent magnetic shielding due to its high permeability, and low skin and proximity effect of the Litz wires. The inductance value of the ER1025-00JM is 1.2mH, and it can handle up to 1.5A of DC current and up to 10A of AC current. It has a low overall DC resistance of 12mΩ and an operating temperature range of -40°C to +125°C.

The working principle of the ER1025-00JM is based on the electromagnetic induction principle. It is essentially a coil wound around a ferrite core. The current passing through the coil creates a magnetic field that, when lined up with the core, induces a magnetic field in the core. This phenomenon is known as inductance, and the coil is an inductor. The induction of the coil affects the flow of electric current by causing it to slow down. This creation of a magnetic field with electric current is the principle behind all inductors.

The ER1025-00JM is a high-frequency inductor designed to withstand a wide range of temperatures and to provide efficient electromagnetic shielding. Its magnetic shielding properties, low overall resistance, and high operating temperature range make it ideal for use in variable frequency drive and switch-mode power supplies.

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