4554R-102J

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Fixed inductors are essential electrical components found in various types of circuits and sometimes referred to as coils, chokes, or reactors. These components are used to provide inductance in a circuit and are designed to have their inductance remain constant even as current varies. In modern circuits, however, these inductors are on the verge of becoming obsolete due to the availability and affordability of newer, more efficient components. That said, some applications still rely on fixed inductors, which is why it is important to understand their working principle and application field.

The 4554R-102J is an example of a fixed inductor that can be used in a variety of applications. It is a monolithic inductor with a tangential lead frame construction and is available in a wide range of inductance values, ranging from 1.0μH to 390μH, and voltages ranging from 3-45 volts. The 4554R-102J is designed to have low tolerances and low DCR values, making it suitable for many applications.

The 4554R-102J operates on the principle of inductance, which is a property of electricity that is capable of storing energy in a magnetic field. Essentially, when an electrical current is applied to a coil, it will generate a magnetic field around it. This field will cause a characteristic electromagnetic force which resists any change in the current that passes through it. The larger the inductance of the coil, the more resistance it will provide to the current. As the current is increased, the magnetic field will increase proportionally, resulting in a voltage increase across the coil.

The 4554R-102J can be used in a variety of applications, including power supplies, switching power supplies, charging circuits, power converters, and DC-DC converters. It is particularly useful in applications that require higher frequencies, such as switching power supplies, as the 4554R-102J has a low self-resonance frequency of 300KHz. Additionally, it is also suitable for applications that require low loss, such as audio circuits and power converters, as it has a low distributed inductance of 0.10mH.

The 4554R-102J is also capable of withstanding higher current levels than most inductors, which makes it suitable for heavy-duty power applications. The monolithic inductor construction also helps to reduce size and noise while preserving a high degree of stability and reliability.

In conclusion, the 4554R-102J is an example of a fixed inductor that has a wide range of applications, including power supplies, switching power supplies, charging circuits, power converters, and DC-DC converters. It is capable of withstanding higher current levels than most inductors, while having a low self-resonance frequency and low distributed inductance. It operates on the principle of inductance, where a magnetic field is generated around a coil when an electrical current is applied, resulting in a voltage increase across the coil. As such, the 4554R-102J is an invaluable component for many applications that require better performance from their inductors.

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