ASPI-0704S-221M-T Inductors, Coils, Chokes

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Fixed inductors are passive electronic components that are essential to any electronic design, ranging from regulated power supplies to radio-frequency applications. One such component is the ASPI-0704S-221M-T. This inductor has a variety of uses and can be applied in a wide range of circuits. It is not to be confused with variable inductors, which will be discussed separately.

The ASPI-0704S-221M-T is a surface-mount 4-pin fixed inductor, meaning it has a consistent electrical resistance and inductance. Its pins are rated at 0.5 Amp with a maximum current rating of 0.16 A. The package size is 0.6mm, and the inductance range spans from 20 to 220 nH. It is made with self-healing LFAQ/H cores with coil wire of 27 AWG size for improved efficiency. It operates between -55°C to +125°C and is rated for wetness with a humidity range of up to 85%. On top of this, it is also RoHS compliant, meaning its use as a safety component in the electrical equipment market is widespread.

The ASPI-0704S-221M-T is commonly used in radio-frequency applications such as multiband cellular handsets, base station amplifiers, and many other areas of the telecom market. In addition, its use is also standard in computer motherboards, digital television sets, and industrial equipment.

When it comes to its working principle, the inductor will, when placed in an electrical circuit, resist changes in current. This is because on top of it producing a magnetic field, it also stores energy in the form of a magnetic field. The reaction of the inductor to current changes is proportional to its inductance. As current rises, the inductor can be designed to redirect a proportion of the current, and as current decreases it forces out a proportion of the stored energy.

To summarize, the ASPI-0704S-221M-T is a 4-pin, surface-mount, fixed inductor with 0.5 Amp pins and an inductance range of 20 to 220 nH. It is widely used in both telecom and industrial applications and works via generating a magnetic field in an electrical circuit and redirecting or forcing out a proportion of the current or stored energy, respectively.

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