CF28B1937

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Ferrite Cores - Cables and Wiring

A type of ferrite core, CF28B1937 is an essential component in establishing electromagnetic and filter applications. This type of core is constructed from ferrite mix, often referred to as ferrite 77 which is mixed with manganese-zinc (MZ) ferrite. It consists of an inner core of clad steel with a high nickel content. CF28B1937 is designed to be a low-inductance core with high saturation current capabilities, providing proper filtering and signal quality for various applications.

Application Field

CF28B1937 can be used in a variety of applications, such as transformers, chokes, filters, motor controls, mains filter cores, inverters, and frequency converter cores. It is also widely used to make loudspeaker transformers, antenna cores, filter cores, and or anything where the core is needed. The typical characteristic of this core is high saturation current, low inductance, and excellent magnetic shielding properties. As such, this type of core is suitable for a range of applications, such as filters, medical devices, electronic circuits, automatic control, professional audio, personal computers, and communications measurements.

Working Principle

At its core, a CF28B1937 ferrite core works using the principle of electromagnetism. It creates a magnetic field when electricity flows through it. This type of core converts the energy from the electricity into magnetic energy. Depending on the application, the magnetic flux that is created by the core can be controlled by the strength of the electrical field. This core is designed to convert the electric field energy to the magnetic field energy with minimum losses.

The core has two parts, the inner core and the outer core. The inner core consists of ferrite mix, or ferrite 77, and the outer core is made of alloy steel strip. The inner core is designed to absorb the magnetic flux and offer low inductance for the upcoming applications. The outer core is made of special alloy steel strip which allows proper alignment of flux lines around the inner core. This unique construction enables the core to have excellent wear resistance, high saturation current, and low leakage inductance.

When power is applied to the core, it creates a magnetic field. This magnetic field is used to store the energy. The magnetic field is strongest near the inner core, and the strength of the magnetic field is determined by the power applied. The strength of the magnetic field depends on the current flowing through the inner core. The strength of the magnetic field determines the amount of magnetic energy that is released from the core when power is cut off.

CF28B1937 is designed to be a low-inductance core with high saturation current capabilities. The core is used to store energy in the form of a magnetic field and when the power is applied, it acts as a filter. The core helps to filter out unwanted frequencies, reduce noise, and improve signal quality. Since this type of core has excellent magnetic shielding properties and low inductance, it is suitable for various applications.

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