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Fixed Inductors

Fixed inductors are electronic components used in power supplies, filtering, and energy storage applications. They are made up of two or more coils or windings, known as turns, which are connected in series or in parallel to produce desired levels of current and voltage. The inductance of an inductor is found by measuring the current and voltage across the component.

The ASPI-0428S-101M-T is a fixed inductor that is suitable for use in high frequency switching regulators and DC-DC converters. It is a 10-pin, dual-section ferrite-core type inductor with a rated inductance of 4.2uH ±20%. It is rated for maximum DC current of 1.5A and an operating frequency range of 10 - 200MHz. The inductor is also resistant to high temperatures up to 125°C and is RoHS compliant.

The working principle of an inductor is based on the law of induction, which states that a changing current will create an electromotive force in a circuit, which in turn generates an electromagnetic field. This field will induce an opposing current in the circuit, known as a counter-EMF, which opposes the original changing current. The resulting voltage difference will increase or decrease the current, depending on the type of inductor design.

In the case of the ASPI-0428S-101M-T, the changing current creates a magnetic field which induces a counter-EMF within the core of the inductor. The two section design of the ASPI-0428S-101M-T enables it to produce a higher current in the same amount of space as a single section inductor. The 10 pins provide the ability to interlock multiple inductors for better performance and increased current handling capabilities.

The combination of the dual-section design and 10 pins make the ASPI-0428S-101M-T suitable for a variety of applications, such as DC-DC converters, high frequency switching regulators, power supplies, and energy storage applications. It can also be used in powerfilters for noise suppression and EMI reduction.

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