2890R-16G

DC Resistance (DCR):	1.05 Ohm 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:	75MHz
Q @ Freq:	60 @ 7.9MHz
Series:	2890R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	640mA
Tolerance:	±2%
Inductance:	6.8µH
Material - Core:	Phenolic
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed inductors, such as the 2890R-16G, are components that store energy in an inductor. They have various application fields and a core working principle which makes them popular for a range of uses.An inductor, much like a battery, stores energy in the form of a magnetic field. It achieves this by passing a current through a coil of wire which induces a magnetic field around the coil. The induced magnetic field creates a repulsing force between adjacent turns of the coil, resulting in a voltage drop across the coil. This voltage drop is known as self-inductance, and it is this fundamental principle that enables inductors to work.The 2890R-16G is a type of fixed inductor that is designed to store energy in a specified range of frequencies for a wide variety of applications. The inductor features a total resistance of 2890 ohms with 16 ohms of DC resistance. This makes the inductor ideal for a variety of power line noise suppression, filtering, and damping applications.The inductor is particularly suited for removing low frequency noise and bumpy waveforms arising from DC-DC converters, power supplies, and stepped DC waveforms. It is also designed to remove high frequency noise generated by switching noise. This makes it an ideal choice for environments where the presence of electromagnetic interference can result in degraded performance or damage to other components.The 2890R-16G also has a high inductance value, allowing it to be used for a variety of nonlinear applications including ballast inductors, current limiting inductors, and snubber inductors. Its high inductance value also helps to reduce power loss due to resistance in the circuit.The primary application field for the 2890R-16G is the power supply and related industries. The inductor is often used to attenuate switching and power line noise caused by the rapidly changing currents and voltages of digital circuits. This ensures that power line and related components are protected from deleterious effects of the noise.The 2890R-16G can also be used in a variety of motor drive circuits, where its high inductance value helps to limit the amount of power loss caused by the inductor\'s own resistance. Its ability to filter and damp low-frequency noise ensures that any generated inductor current is smooth and free from harmonics or spikes.Finally, the inductor has applications in a variety of RF circuits and applications. Its inductance value helps to maintain a controlled signal throughout the circuit and avoid losses, while its resistive component helps to reduce noise pollution which can interfere with the operation of the circuit.Overall, the 2890R-16G is a highly versatile inductor with a range of application fields, making it a popular choice in a variety of power supply, RF, and motor drive applications. Its ability to store energy in the form of a magnetic field, resulting from passing a current through a coil of wire, makes it a reliable and cost effective way to protect power lines and other components from noise pollution.

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