2100LL-121-V-RC

DC Resistance (DCR):	39 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.860" Dia x 0.450" W (21.84mm x 11.43mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	2100LL
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	4.1A
Tolerance:	±15%
Inductance:	120µH
Material - Core:	Sendust
Type:	Toroidal
Part Status:	Obsolete
Packaging:	Bulk

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Fixed Inductors

Fixed inductors are electrical components whose inductance remains constant over changes in current or voltage. An example of a fixed inductor is 2100LL-121-V-RC, which is commonly used in RF and power applications. This article explains the application field and working principle of the 2100LL-121-V-RC fixed inductor.

Application Field

The 2100LL-121-V-RC fixed inductor is used in RF applications, specifically resonant circuits, filter circuits, and high-frequency transformers. Resonant circuits use an inductor and capacitor to create a resonant frequency, which is useful for radio tuning. Filter circuits utilize inductive elements to determine the frequency response of a system. High-frequency transformers employ an inductor to match the impedances of amplifier stages in order to maximize signal transfer efficiency.

Working Principle

The 2100LL-121-V-RC follows Faraday’s Law of Induction, which states that an electromotive force will be induced in a conductor whenever a changing magnetic field is present. This electromotive force will act on a current traveling through the conductor. The 2100LL-121-V-RC fixed inductor consists of a coil of insulated wire wound around a ferromagnetic core, which acts as a magnet when a current is applied. This current causes a magnetic field to form in the core, which in turn induces an electromotive force to act on the current, thus creating an inductor.The 2100LL-121-V-RC employs a ferromagnetic core, which helps to increase the inductance of the coil by concentrating the magnetic flux in the coil. In air-core inductors, where no core is present, the magnetic field would dissipate over a greater distance and the inductance would be significantly lower.

Conclusion

The 2100LL-121-V-RC fixed inductor is a widely used component in RF applications, as it can be used to create resonant circuits, filter circuits, and high-frequency transformers. The 2100LL-121-V-RC follows Faraday’s Law of Induction, where a changing magnetic field creates an electromotive force, which in turn acts on a current travelling through the coil. A ferromagnetic core is used in the 2100LL-121-V-RC to increase its inductance. The 2100LL-121-V-RC is thus a versatile component for constructing circuits in RF applications.

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