ELJ-NCR27JF Inductors, Coils, Chokes

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Fixed inductors are widely used in electronic circuits for many purposes - including power supply filtering, seismic detectors, signal filtering and high frequency stabilization. The ELJ-NCR27JF is one example of a fixed inductor that can be used for many of these purposes. This article looks at the application field of the ELJ-NCR27JF, and it also explains the principles of its working.

Application field

The ELJ-NCR27JF is a surface-mounted, high performance, fixed inductor that is typically used in high frequency switching power supplies, SMPS, DC-DC converters, cellular transceivers and chargers. It can handle a temperature range of -55 to +105℃ and can operate at frequencies up to 2MHz. Its rated current is 2.2A, and its low DC resistance allows for high frequency stability. It is also halogen-free and available in a variety of sizes, making it suitable for applications where size or weight restrictions are important.

Working principle

The working principle of the ELJ-NCR27JF is based on Faraday’s Law of Induction, which states that a changing magnetic field will induce a voltage across a conductor. The ELJ-NCR27JF is made up of coils of copper wire that are surrounded by a ferrite core. When an alternating current passes through the copper coils, a changing magnetic field is generated, which induces a voltage across the conductor. This voltage drives the current through the conductor, creating a changing electrical field. The ferrite core helps to maintain the flux concentration, which in turn increases the inductance of the coils. The ELJ-NCR27JF is designed to provide a consistent inductor capability across a wide frequency range.

The ELJ-NCR27JF is reversible, meaning that it can be used in both positive and negative current flow situations. This is useful in switching power supplies, as the ELJ-NCR27JF can act as an inductor or an inverter, depending on the current flow. Additionally, the ELJ-NCR27JF features a low DC resistance that helps reduce the EMI noise generated by the inductor, as well as improving the efficiency of the circuit.

The ELJ-NCR27JF also includes a copper shielding can that helps to protect the inductor from the effects of EMI. This helps to ensure that the inductor is able to operate at a high frequency, without any interference or distortion. The inductor also includes an internal terminal that helps to reduce external wiring, ensuring a much more orderly and neat assembly. This helps to improve the reliability and performance of the inductor, as well as making the assembly process much easier.

In conclusion, the ELJ-NCR27JF is a high performance, surface-mounted fixed inductor that can be used for a wide range of applications. It is designed to withstand a wide temperature range, making it suitable for use in numerous electronic circuit designs. Its reversible capability and low DC resistance ensure that it can be used in both positive and negative current flow situations, making it very versatile. Additionally, its internal terminal and copper shielding can make the assembly process much easier, as well as providing protection against the effects of EMI.

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