AIAP-02-4R7K

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Fixed Inductors

A fixed inductor, like the AIAP-02-4R7K, is an electronic component that stores energy in its magnetic field. It consists of wire wound around a core, either ferromagnetic (or "ferrite") or air. The purpose of an inductor is to induce a limited amount of AC current (or voltage) into the overall circuit, as opposed to a capacitor, which stores relatively large amounts of energy.

Application Field and Working Principle

The AIAP-02-4R7K fixed inductor is designed for use in mobile applications, such as smartphones and tablets, where it can provide significant current filtering and smoothing. It can also be used in audio applications, such as microphones and speaker systems. The inductor works by using an inductive loop to store energy in the form of a magnetic field. The inductor stores energy in the form of a self-inductive current loop. This has the effect of "smoothing" the current passing through the inductor. As the current moves through the loop, it induces a magnetic field, which in turn induces an opposing voltage in the loop, effectively dampening the current.

The AIAP-02-4R7K fixed inductor also has the capability to reduce electromagnetic interference (EMI) in high frequency circuits, since it has an inductance value of 4.7uH. The inductance value helps reduce the rate of current change in the circuit, resulting in less electromagnetic radiation.

The AIAP-02-4R7K is a small size fixed inductor, measuring just 2.2mm x 1.5mm. This makes it ideal for use in heavily crowded circuit boards, as it is able to fit into tight spaces. It is also leadless, eliminating the need for long wires to be soldered onto the board. The heavy duty packaging also helps to protect the inductor from damage during installation.

The AIAP-02-4R7K is rated at a temperature of 70°C and an operating temperature range of -40°C to +105°C. This means it is suitable for use in most environments. It has an operating frequency range of 20kHz to 300kHz, making it ideal for audio applications. Its maximum reflow temperature is 250°C, making it suitable for most reflow soldering processes.

In summary, the AIAP-02-4R7K fixed inductor is a small size component designed for use in high frequency and mobile applications. It is able to store energy in the form of a magnetic field, which helps reduce the rate of current change in the circuit. The heavy duty packaging helps to protect the inductor during installation, while the operating temperature range of -40°C to +105°C makes it suitable for use in most environments.

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