ELJ-FB220JF Inductors, Coils, Chokes

DC Resistance (DCR):	2.6 Ohm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Supplier Device Package:	1812
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1MHz
Operating Temperature:	-20°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	15MHz
Q @ Freq:	50 @ 2.52MHz
Series:	FB
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	195mA
Tolerance:	±5%
Inductance:	22µH
Material - Core:	--
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Fixed Inductors are electronic components that are used for storing energy as a magnetic field and releasing it when needed. ELJ-FB220JF is a fixed inductor from Taiyo Yuden that features 220µH inductance with a 5% tolerance and a 150mA rated current. It is suitable for various types of circuit applications which require high current due to its low DC resistance and small size.The working principle of a fixed inductor is based on Faraday’s Law of Induction. It states that whenever a conductor is placed in a changing magnetic field, an electric current is induced in the conductor. Thus, when an electrical current passes through a coil in a fixed inductor, it induces a magnetic field in the coil. This in turn causes a voltage to be induced in the coil, which is in effect stored energy.When the electrical current is switched off, the magnetic field generated by the induced electromagnetic current collapses. This induces a voltage in the opposite direction and causes the stored energy to be released, thus supplying current to the circuit. This release of energy produces a self-induced “kick” that helps the circuit maintain current flow, even when the power source is cut off.ELJ-FB220JF fixed inductors are constructed with two different types of wire; a primary coil, which is made of twisted insulated wires, and a secondary coil, which is made of solid core wire. The primary coil is the component responsible for induction, while the secondary coil is responsible for the release of energy.The amount of energy stored by a fixed inductor is related to the inductance of the device, or the amount of electrical current required to generate a magnetic field. This is known as the “impedance” of the device.ELJ-FB220JF fixed inductors are designed to have an inductance of 220 µH (microhenries) with a 5% tolerance and a rated current of 150mA. As such, they are capable of providing current flow even when the power source is cut off. This makes them suitable for applications such as automotive electronics, industrial control circuits, and power supplies that require high current and low resistance.In operation, ELJ-FB220JF fixed inductors are used in circuit designs where the release of energy stored in the device is necessary to provide current flow. This stored energy can be used to help maintain a stable voltage and current in circuits that require high current, or in order to prolong the life of batteries.Fixed inductors are widely used in a variety of electronic devices, and ELJ-FB220JF fixed inductors are no exception. These devices play an important role in applications where high current is required and low resistance is desired, such as automotive electronics, industrial control circuits, power supplies, and more. They are small in size, reliable, and provide low-resistance paths for current flow.

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