2890-02J

DC Resistance (DCR):	90 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.280" Dia x 0.900" L (7.11mm x 22.86mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	160MHz
Q @ Freq:	60 @ 7.9MHz
Series:	2890
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	2.19A
Tolerance:	±5%
Inductance:	1.5µH
Material - Core:	Phenolic
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors - 2890-02J Application Field and Working PrincipleFixed inductors are an important component in electric circuits. They are used for residential and commercial devices, to store energy and create electromagnetic fields. Fixed inductors are built to fixed parameters, and their properties remain unchanged over time. The 2890-02J is a type of fixed inductor used primarily in sensing and communication applications. Signal inductorsA signal inductor is an electric component that stores energy when a current passes through it, and produces a magnetic field that can be used in communication and sensing applications. The inductor is built from a coil of wire and some type of magnetic material. The 2890-02J is a signal inductor designed for general-purpose inductance in signal and communications circuits.The 2890-02J is a toroidal inductor, also known as a ``ring\'\' inductor. The inductor consists of a coil of wire wrapped around a doughnut-shaped magnetic core. This construction results in a high-resolution component that provides excellent frequency dependability and signal resolution. The toroidal shape allows the 2890-02J to beStack Overflow used in high-end communication and sensing applications. Working Principle When a current passes through the 2890-02J, an electromagnetic field is created. This field creates a resistance to the current and stores it in the inductor core in the form of energy. This energy is then released back to the system when the current ceases. The strength of the energy released depends on the strength of the current in the inductor. The 2890-02J has a rating of 25 mH for inductance. This means that it stores a certain amount of energy when a current with a strength of 25 milliamp (mA) passes through it. The inductance increases linearly with the current and so the inductor can store more energy if a higher current is applied. ApplicationsThe 2890-02J is most commonly used in communication and sensing applications where it is important to accurately and reliably capture signals or voltages. It is used in the following applications: - Wireless communication networks - Sensing and measurement circuits - High-fidelity audio systems - Low-power digital circuits- Security systems The 2890-02J is also used in the medical industry, for MRI scans and other medical imaging tests. It is an essential component of many medical devices, as it allows for accurate and precise imaging.ConclusionIn conclusion, the 2890-02J is a toroidal inductor used primarily in communication and sensing applications. It is designed to store energy in the form of an electromagnetic field, and to release energy when the current ceases. The inductance of the component increases with the current, allowing for more energy to be stored. The 2890-02J is highly reliable and precise and is essential for many communication, sensing and medical applications.

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