ER1025-09JP

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Fixed Inductors

Fixed inductors are a type of electronic component which consists of a coil of wire and a core that is wound around an insulated core material, such as ceramic or ferrite. They are used to provide a steady current that is either stored in the inductor itself (a current source) or used to induce a current in an adjacent electrical circuit (an inductor-based circuit). The ER1025-09JP is a specific type of fixed inductor manufactured by Epcos.

Application Field

The ER1025-09JP is a low-profile, wide-range inductor designed for use in a variety of applications. These include power supplies, DC-DC converters, signal and RF filters, and high-frequency switching circuits. It is suitable for both digital and analog circuits, and can be used in a range of power from 1 mA to 2 A. Its small size makes it ideal for use in compact systems.

Working Principle

When a current is applied to the inductor, the magnetic field created by the coil induces a voltage in the core. This voltage opposes the applied current and acts as a counter-force, resulting in an impedance which varies depending on the frequency of the current. By using an inductor in a circuit, the flow of current can be managed and directed towards the desired components. The ER1025-09JP provides predictable and repeatable inductance values.

Performance

The ER1025-09JP features a shield that reduces the electromagnetic interference (EMI) generated by the inductor. It has excellent power dissipation characteristics, allowing it to handle up to two amps of current without thermal breakdown, and a high operating frequency of up to 1.5 MHz. It also offers a high saturation current rating, allowing it to support current spikes without dropping below the saturation level. With its small size and excellent performance, the ER1025-09JP is one of the top-performing fixed inductors on the market.

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