PE-0402CH2N7STT

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Fixed inductors are electrical components that have a fixed inductance, meaning that they are used to a particular design to store energy in a magnetic field. PE-0402CH2N7STT is one of types of fixed inductors and it is especially designed for certain application fields. A brief introduction of application field and its working principle of PE-0402CH2N7STT is given in this article.

Application Field

PE-0402CH2N7STT is a fixed inductor that is a common component of many switched-mode power supplies (SMPS) and electronic filters. It’s designed for higher current applications, with a molded black silicon dioxide magnetic core and high saturation current capacity. The use of such inductors can reduce the size and cost of certain components in SMPSs. It is mainly used for mobile phone, notebook PC, PDA, digital camera, DC/DC converter, cellular phone, power adapter and other fields.

Working Principle

A fixed inductor works with a current flowing through a coil, which establishes a magnetic field. This magnetic field is than used to store energy as the current changes, since the current will cause the magnetic field to change as well. When current changes, the magnetic field collapses at the speed of light, and the opposing force generates a voltage that can be used to store the energy. The voltage developed due to this reaction is called back EMF (electromotive force), and is directed against the current flow. The combined effect of the electric field and the magnetic field is to create inductance.

In practical applications, PE-0402CH2N7STT inductors are used to modify electric signals for electronic filters; suppress high-frequency noise; or regulate and isolate signals in various circuits. They are used together with capacitors to create a filter circuit which is used in applications such as audio equipment, radio frequency signals and other electronic equipment.

In summary, PE-0402CH2N7STT is a kind of fixed inductor designed specially for certain application fields. It works by creating a circuit which has inductance, resulting in a state of storing energy in a magnetic field when the current through the circuit is changing. This can be used in various applications for modifying, suppressing and regulating signals in electronic equipment.

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