78F2R2J-RC

DC Resistance (DCR):	250 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.110" Dia x 0.280" L (2.79mm x 7.11mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	110MHz
Q @ Freq:	50 @ 7.9MHz
Series:	78F
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	630mA
Tolerance:	±5%
Inductance:	2.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Fixed InductorsInductors, also known as coils, are passive electrical components made of wire wrapped around a configured core. They store electrical energy temporarily in a magnetic field when current passes through it, and when current stops, the energy is released. As a result, inductors control electric current in circuits and is used in motors, generators and transformers. The 78F2R2J-RC is a specific type of inductor designed to suit and fulfil specific needs of different applications.The 78F2R2J-RC fixed inductor is a cylindrical-shaped, molded composite, RoHS-compliant, surface-mount inductor. It is flea sized with a dimension of 7.8mmX2.2mm and a height of 1.2mm, which makes this generic inductor suitable for high-density surface-mount circuit board applications. The 78F2R2J-RC features one of the unique combinations of size, performance and value necessary across a wide range of applications.These applications include, but are not limited to, automotive, digital TV, gaming, networking, medical, consumer goods and mobile accessories. In each of these applications, it performs the same basic function of inductance. This specific inductor is designed to stir up a magnetic field with specific resistance levels that help maintain the stability of the current passing through the inductor. Furthermore, the 78F2R2J-RC fixed inductor is known for its high line current at low DC resistance of 0.1 ohms and consistent characteristics in higher frequencies up to 2GHz. It also has saturation current of 1.7A with very low self-resonance of 150MHz, an unavoidable value caused by the induced electromagnetic fields of the power load. This inductor also offers high current of up to 2A, higher than most of its counterparts.To understand the job of a fixed inductor, it is important to know the three components of its operations – self-inductance, inductive storing and load on the inductance. Self-inductance is the ability of the inductor to store energy in magnetic fields when there is a flow of electric current. Whenever there is a change in the flow and direction of the current, the inductor stores the energy with a slight delay. The inductance of the inductor can also be varied by changing the dimensions, shape and type of core material used.The second component is the inductive loading. This comes into play when the inductor is used in a circuit with other components, such as resistors and capacitors. In this case, the capacitors on the circuit will absorb some of the energy in the generated magnetic field and decrease the current flowing back through the inductor. On the other hand, the resistors will reduce the magnitude of the current.Finally, the third component of the 78F2R2J-RC fixed inductor is its load on inductance. This is the ability of the inductor to limit the current passing through it. The load on the inductance affects the resistance, which in turn affects the inductance of the inductor. As the current flowing through the inductor increases, the voltage across the inductor also increases, thus limiting the current.Thus, it can be concluded that the 78F2R2J-RC fixed inductor is designed to store electrical energy in a controlled way in multiple applications, and its unique combination of size, performance and value makes it one of the most popular options on the market.

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