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Fixed Inductors

SC32-270 Application Field and Working Principle

Fixed inductors, also known as electronic inductors, are passive electronic components that store energy in the form of a magnetic field. The fixed inductors have a wide range of applications such as filtering, harmonic suppression, motor control, and power supply. The SC32-270 Inductor is a type of fixed inductor, characterized mainly by its low profile, high current, and high frequency resistance. This paper provides a detailed account of the SC32-270 inductor, from its application field to its working principle.

Application Field

The SC32-270 inductor is mainly used for applications that require a compact size with high efficiency. It is, therefore, most popular in mobile devices, including but not limited to smartphones, tablets, and laptops. Its low profile makes it ideal for densely populated electronic devices. The SC32-270 is also commonly used for CCTV power supplies, LED lighting, and battery charging applications. Its high current and frequency resistance allow it to effectively filter, suppress harmonics, and provide protection in these applications.

Structure and Shell Material

The structure of the SC32-270 inductor consists of an iron core with a high permeability plastic- resin enclosure. The induction coil is wrapped around the core and is constructed using high-quality oxygen-free copper wire. The shell material is normally a PET thermoplastic which is UL 94 V-0 approved and provides excellent electrical insulation. The shell is also RoHS compliant, which ensures compliance with the latest environmental regulations.

Specifications

The major specifications of the SC32-270 inductor are:

• Inductance range: 15-150 uH.
• Rated current: 20-80 mA.
• Operating frequency range: low-frequency to high-frequency.
• Withstand voltage: up to 600V.

The SC32-270 is also renowned for its high energy efficiency and low profile, making it an optimal choice for a variety of environments. Its high stability also ensures a consistent performance over a period of time.

Working Principle

The basic working principle of the SC32-270 is in line with the basic definition of an inductor. An inductor works on the principle of electromagnetic induction, whereby, an electric current passing through an inductor produces a magnetic field around it. This field is responsible for the energy storage capabilities of the inductor. The SC32-270 works on the same principle, except that the magnetic field is generated within the core, thus eliminating the need for a bulky external magnetic circuit.

The SC32-270 works by providing a low-resistance path for an AC current to pass through. This current then generates an opposing magnetic field within the core, which in turn, resists the current, thus providing the desired inductance. The higher the frequency of the AC current, the higher is the inductance provided by the SC32-270.

Conclusion

The SC32-270 is a type of fixed inductor which is mostly used for mobile devices, CCTV power supplies, LED lighting, and battery charging applications. It is characterized by its low profile, high current, and high frequency resistance. The structure of the SC32-270 has a high permeability plastic-resin enclosure with an induction coil wrapped around the core, made of high-quality oxygen-free copper wire. The working principle of the SC32-270 is based on electromagnetic induction, and it provides a low-resistance path for the AC current to pass through, generating an opposing magnetic field within the core, thus providing the desired inductance.

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