SB28B0937

Series:	--
Part Status:	Active
Type:	Flat
Design:	Hinged (Snap On)
Impedance @ Frequency:	34 Ohm @ 100MHz
Material:	28
Inner Dimension:	0.449" Dia (11.40mm)
Outer Dimension:	0.937" W x 0.469" H (23.80mm x 11.90mm)
Ratings:	--
Mounting Type:	Free Hanging
Length:	0.551" (14.00mm)

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Introduction

Ferrite Cores - Cables and Wiring are commonly seen in any electronics equipment or device including computers, cell phones, radios and televisions. They are used to provide an electromagnetic field - a force field of energy waves which can be either transmitted or shielded. As technology advances, these materials are being increasingly used in a variety of settings to control and manage the flow of electromagnetic energy in order to improve signal integrity and minimize interference. SB28B0937 is one of the most commonly used ferrite cores, and this article will provide an overview of its application field and working principle.

Application Field

SB28B0937 ferrite cores are specifically designed to be used in the form of tape wound cores, or beads cores. They are mostly applied to eliminate electromagnetic interference (EMI) and radio frequency (RF) electromagnetic radiation in electronic equipment. Commonly, SB28B0937 is used to isolate EMI signals from interfering with nearby electrical components such as motors and transformers. They are also used in leading-edge applications such as cellular base stations, wireless base stations, and automotive applications.

Working Principle

SB28B0937 ferrite cores are designed with a particular ability to control and direct electromagnetic energy. The ferrite material itself consists of iron oxide mixed with other materials like zinc, manganese, and barium - all of which interact with nearby electrical fields. When an external, perpendicular, electrical field comes near the ferrite core, it creates an internal alignment of electrons to match the field. This means that the electrons within the ferrite core start to move along it, creating a current. This current then creates a field which can either be transmitted or shielded, depending on how the core is wired and the kind of application it is being used for.In terms of EMI control, the ferrite core works like a barrier that absorbs and blocks surrounding electromagnetic radiation. This is why it is used in electronic and communications equipment to reduce EMI noise, as it effectively shields against the potentially damaging electromagnetic fields. It can also serve as an inductor, a device used to store energy in an electronic circuit. This is done by controlling the direction of current and contributing to the generation of magnetic fields. As the core has a magnetic permeability, it allows the current carrying conductors to be wound in the correct way in order to form a magnetic circuit.

Conclusion

SB28B0937 ferrite cores are one of the most widely used ferrite cores, and provide an effective solution to controlling electromagnetic fields. They are used in a variety of settings, from EMI control in electronic and communications equipment, to inductors and as shields in leading-edge applications. In order to understand and benefit from the working principle of the SB28B0937 ferrite core, it’s important to have a good understanding of how electromagnetic fields interact and how the ferrite material works. Knowing the advantages and limitations of this type of ferrite core can help to ensure that the most effective solution is chosen in order to achieve the desired effect.

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