DC Resistance (DCR):	76 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.455" Dia x 0.900" L (11.55mm x 22.86mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	4590R
Shielding:	Unshielded
Current - Saturation:	60mA
Current Rating:	90mA
Tolerance:	±10%
Inductance:	100mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Introduction

Fixed inductors, or simply inductors, are passive electronic components used to store energy in the form of an electromagnetic field. They are widely used in various applications such as power converters, radio frequency (RF) applications, and wireless communication systems. Among the fixed inductor varieties, the 4590R-107K is a widely used component, renowned for its high efficiency and relative compactness. This article will explore the field of applications and working principle of the 4590R-107K fixed inductor.

Application Field

The 4590R-107K can be used in a wide variety of applications. Most notably, they are often used in switch-mode power supplies (SMPS). They are renowned for their high efficiency levels, which is highly beneficial for SMPSs as they work in a highly power-efficient manner. In addition, the 4590R-107K has a relatively low dings-point which helps to reduce power lost in the form of excess heat.Another application field for the 4590R-107K is in radio frequency (RF) circuits. They are used as tuned circuits to provide high-frequency stability. Moreover, they act as part of an antenna, providing the necessary capacitance to amp up the signal strength.Finally, the 4590R-107K is also used in wireless communication systems. They help to reduce noise interference which better facilitates signal transmission.

Working Principle

At an elemental level, the 4590R-107K fixed inductor is utilizing Faraday\'s law of induction. Specifically, when a current-carrying conductor is exposed to a changing magnetic field, it induces a voltage across the the conductor which opposes its own motion. This phenomenon is known as the back-EMF (electro-motive force).At a higher level, the 4590R-107K works by using a wire-wound core circuit. This circuit is a combination of coils of wire in different layers, each created to provide increased inductance. The layers are then wrapped around a magnetic ferrite core, which helps to increase the inductance value. Comparing the working principle to an electrical transformer, the inductor acts in a more passive role, where the input AC current is converted to a lower-frequency current by inducing a magnetic field. This is an important aspect, as it provides a high-efficiency alternative to traditional power converters.

Conclusion

The 4590R-107K fixed inductor is a widely used component, renowned for its high efficiency levels, relative compactness, and wide variety of application fields. It uses Faraday\'s law of induction, utilizing a wire-wound core circuit and a magnetic ferrite core to provide increased inductance. Consequently, it provides an efficient alternative to traditional power converters, making it attractive for use in switch-mode power supplies (SMPS), radio frequency (RF) circuits, and wireless communication systems.

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