IM01ST4R7K

Q @ Freq:	55 @ 7.9MHz
Height - Seated (Max):	--
Size / Dimension:	0.078" Dia x 0.200" L (1.98mm x 5.08mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Features:	--
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	88MHz
Series:	IM
DC Resistance (DCR):	2.1 Ohm Max
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	150mA
Tolerance:	±10%
Inductance:	4.7µH
Material - Core:	Iron
Type:	Molded
Part Status:	Obsolete
Packaging:	--

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Fixed Inductors
IM01ST4R7K is a type of fixed inductors, which is a type of inductor that is designed to provide a constant level of inductance and resistance depending on the design of the component. It is often depicted in circuit diagrams and is used in many electronic devices today. The typical construction of this type of inductor includes a coil of insulated wire wound around a core material. This core material can be either magnetic or non-magnetic and is often constructed from ferrite, iron-cobalt, ceramic or other materials. Higher inductance values are achievable with larger coil sizes and higher core permeability.
Application Field and Working Principle
IM01ST4R7K fixed inductors are used in a wide range of applications, such as power supply circuits, DC/DC converters and EMI/RFI filtering. These are essential for providing a constant level of inductance to an electrical circuit in order to improve the performance and reduce interference. Fixed inductors also have a wide range of applications where space is an issue due to their small size and lightweight construction.The working principle of the IM01ST4R7Kis based on Faraday\'s Law of Induction. This states that when a conductor is exposed to a changing magnetic field, an electric current is induced in the conductor. In the case of the IM01ST4R7K fixed inductor, a coil of insulated wire is wound around a magnetic core material. As current flows through the coil, it creates a magnetic field which induces a voltage across the coil. This voltage is proportional to the amount of current passing through the coil, and is known as the back EMF.This back EMF is what provides the inductance, which is the ability of the coil to resist changes in the alternating current. As the frequency of the alternating current increases, the inductance also increases. As a result, the IM01ST4R7K inductor is able to provide a constant level of inductance regardless of the frequency.The construction and design of the IM01ST4R7K fixed inductor also affects the working principle. The core material can be optimized to increase the inductance, and the size of the coil can be adjusted to reduce the resistance. This allows the inductor to have a greater effect on the performance of the circuit, as well as providing more flexibility in terms of design.
Conclusion
IM01ST4R7K fixed inductors are essential components in many electronic circuits and devices, as they provide a constant level of inductance and resistance regardless of the operating frequency. This makes them suitable for a wide variety of applications, ranging from power supplies to EMI/RFI filtering. The working principle of an inductor is based on Faraday\'s Law of Induction, which states that when a conductor is exposed to a changing magnetic field, an electric current is induced in the conductor. By optimizing the construction of the inductor, the amount of inductance it is able to provide can be increased.

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