49100C Inductors, Coils, Chokes

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Fixed inductors refer to the inductors with definite and stable inductance which should not be adjusted. Most fixed inductors are relatively large coil structures or ferrite cores around transformers, and the inductance is comprised of very simple coils of wire materials or magnetic materials like ferrite cores. The inductance of a fixed inductor is calculated according to the number of turns of the coil, the size of the winding, and the cross-sectional area of the core. The application field of 49100C series fixed inductors covers many areas, including filters, power supplies, resonance circuits, line transmission circuits, impedance transformers, surge protectors, radio frequency signal circuits, and oscillating circuits.

In general, the working principle of a fixed inductor is similar to other inductors. When the working current passes through the coil, the layout of the coil will induce the magnetic field. This magnetic field will later on generate an electric field which opposes the original changing current. This current will slow down as it passes through the inductor, forming an inductor response. As the working current passes through the inductors, the magnetic field store energy and discharge the energy into electric energy. According to Lenz Law, when the current decreases, the induced voltage will increase and vice versa.

Different from the traditional inductance, the working effect of the 49100C series fixed inductors can be increased significantly through various improvements. These fixed inductors are recombined by more adjustable parts, such as a power inductor, an RF inductor, and a common mode choke, so that they can provide excellent signal isolation and impedance matching. Additionally, they have much smaller package sizes and reduce multiple losses due to the existence of adjustable inductors.

Furthermore, the magnetic flux of the 49100C series fixed inductors is more concentrated, so that its high field strength will not cause higher temperature rise or reduce the energy conversion efficiency. Its special design of the coil allows higher current pass-through, thus stabilizing the operation with better DC bias performance. Last but not least, it has high Q value and low resistance, making it ideal for wide frequency applications with low loss.

To sum up, the 49100C series fixed inductors have better performance and application field compared to the traditional inductors. Their better thermal resistance, high inductance stability, and increased strength of magnetic flux have made them the ideal choice in many applications. Such high performance inductors provide good electromagnetic compatibility with their ability to absorb and reduce unwanted stray signals, and they can also be used to design filters with great frequency response.

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