ER1025-29JP

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Fixed Inductors

Fixed inductors (also known as chokes) are electronic components that store energy in a magnetic form. They consist of a coil of wire wound around a core material and produce a magnetic field when current passes through the inductor. Fixed inductors are widely used in electronic circuits for various purposes, including filtering, voltage matching, and impedance control.

ER1025-29JP application field and working principle

The ER1025-29JP is a fixed inductor produced by TDK. It is designed for General Electronic Applications, featuring an inductance of 2.2 uH, rated current of 0.42 A, and a total height of 2.9 mm. Its case size measures 10.2 × 7.8 × 5.3 mm, making it suitable for use in space-constrained applications. The ER1025-29JP is RoHS compliant, making it a safe and reliable choice for many applications.

The working principle of a fixed inductor is based on electromagnetic induction. This phenomenon occurs when a current passes through a coil of wire. The current generates a magnetic field, which induces a voltage across the coil. The voltage is proportional to the rate of change of the current and the number of turns of wire in the coil. The voltage is measured across the two terminals of the inductor and the inductance of the inductor is given by the ratio of the induced voltage to the rate of change of the current.

The ER1025-29JP is designed for use in DC-DC converters, voltage-regulators, power supplies, telecommunication systems, high-frequency switching circuits, and audio equipment. It is especially suited for applications which require high inductance in a small size. The ER1025-29JP has a low profile which makes it suitable for use in applications with limited space. Additionally, its high current rating and low DC resistance makes it suitable for use in high power applications. The ER1025-29JP also offers excellent temperature stability and high reliability due to its use of high-grade ferrite material.

In conclusion, the ER1025-29JP is a high performance fixed inductor which is suitable for use in a wide range of applications. Its low profile allows it to fit into even the most space-constrained applications, and its high current rating and temperature stability make it a reliable choice for many devices.

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