S4924R-125J

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Fixed inductors are components widely used in various electronic circuits. The S4924R-125J is an example of a fixed inductor, which has multiple applications and a distinct working principle.

S4924R-125J is a type of surface mount inductor, made of crystal ferrite. It is suitable for power conversions and to reduce power levels, for example in AC/DC power supplies, automotive electronics, mobile phones, and other portable electronic devices. This inductor has a thermally stable construction and excellent solder ability, making it ideal for long-term reliability.

The inductance of the S4924R-125J is a standard 125nH nominal, with peak inductance deviation of +20%. It has a rated current of 1.2A, maximum rated operating frequency of 100MHz, and saturation current of 2.0A. Its self-resonant frequency is typically 80MHz and the temperature coefficient of resistance is 40PPM/°C. In addition, its DCR at 25°C is 2.6 mΩ Max. The package size of the S4924R-125J is 2.7 x 1.9 x H 1.6 mm.

The working principle of the S4924R-125J is based on Faraday\'s Law of Induction (also referred to as the Electromagnetic Induction law). This law states that an electromotive force (EMF) is induced in a closed circuit when a magnetic flux is changed. According to this law, when a current flows through the inductor, a magnetic field is created around it, which results in an induced voltage when the current is changing. This induced voltage is proportional to the rate of change of the current. This principle is applied to the S4924R-125J, where the induced voltage is used to reduce the current flow to a certain level, depending on the rated current of the inductor.

The fixed inductor S4924R-125J is a popular component used to reduce power levels in various electronic devices. Its thermally stable construction, excellent solderability, and Faraday’s Law of Induction makes it ideal for long-term power usages. Its inductance, self-resonant frequency, temperature coefficient of resistance, and DCR at 25°C allow it to perform efficiently in different applications.

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