ELJ-RF2N7ZFB Inductors, Coils, Chokes

DC Resistance (DCR):	100 mOhm Max
Height - Seated (Max):	0.022" (0.55mm)
Size / Dimension:	0.039" L x 0.020" W (1.00mm x 0.50mm)
Supplier Device Package:	0402 (1005 Metric)
Package / Case:	0402 (1005 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100MHz
Operating Temperature:	-20°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	5.5GHz
Q @ Freq:	8 @ 100MHz
Series:	RF
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	400mA
Tolerance:	±0.2nH
Inductance:	2.7nH
Material - Core:	Non-Magnetic
Type:	Multilayer
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction
ELJ-RF2N7ZFB is an inductor, also known as a choke, which consists of a coil of insulated wire wound around a core in order to create an electromagnetic field. Inductors are largely classified into two categories—fixed and variable—with each type having slightly different characteristics and thus being used for different functions. The ELJ-RF2N7ZFB falls under the category of fixed inductors and is generally used for applications where the inductance—the measure of impedance—remains constant. The Basics of an Inductor
An inductor is essentially an electrical component which can store energy in the form of a magnetic field. It is made up of two components—a coil of insulated wire wrapped around a metal core. When a current is passed through the coil, a magnetic field is created inside and around the coil, which stores energy. The strength of this magnetic field is proportional to the amount of current passed through it—a higher current will create a stronger magnetic field. The strength of the magnetic field determines the inductance, which is measured in henries (H). ELJ-RF2N7ZFB Application Field and Working Principle
The ELJ-RF2N7ZFB is a fixed inductor designed for a wide range of DC applications. It has a maximum inductance of 10uH and a maximum rated current of 2A. This inductor is ideal for circuits such as switching regulators, battery chargers, and DC-DC converters where the output current needs to be stabilized within a certain range.The ELJ-RF2N7ZFB works on a basic principal of electromagnetism. When a current is passed through its coil, an electromagnetic field is created which generates a force that opposes the current. This force, known as inductance, is proportional to the amount of current applied. As a result, the force produced by the inductor helps to regulate and stabilize the level of current in a given circuit.Apart from its uses in DC circuits, the ELJ-RF2N7ZFB can also be used in AC applications such as transformers and high- frequency filters. In AC circuit, the inductance is constantly varying according to the frequency of the current, and the ELJ-RF2N7ZFB can be used to help regulate this frequency.Conclusion
The ELJ-RF2N7ZFB is a reliable and widely-used fixed inductor designed for a range of DC and AC circuits. It helps to regulate and stabilize current levels and can be used in applications such as switching regulators, battery chargers, DC-DC converters, transformers, and high-frequency filters. As a fixed inductor, its inductance remains constant no matter what the frequency of the current, making it an ideal choice for a range of applications.

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