621L

DC Resistance (DCR):	8.2 Ohm
Height - Seated (Max):	0.290" (7.37mm)
Size / Dimension:	0.500" Dia (12.70mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	40kHz
Operating Temperature:	--
Ratings:	--
Frequency - Self Resonant:	40kHz
Q @ Freq:	--
Series:	621
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	23mA
Tolerance:	±2%
Inductance:	4.7mH
Material - Core:	--
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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Fixed Inductors Inductors, often known as coils or chokes, are electrical components used to store energy in a magnetic field. Among the range of fixed inductors, 621L application fields and working principles are particularly interesting.The 621L inductor is a small, cost-effective – and particularly versatile – type of inductor. Distinctly compact in size, they still offer a high inductance value for use in various beehive capacitors. Available in either axial, radial, and screw-type models, the 621L can be used in both high frequency and low frequency applications including Resonators, Automotive, LCD Displays, and Home Audio.The 621L inductor’s working principle is based on electromagnetic induction, which states that a changing magnetic field will create a voltage in a conductive loop. This is how an inductor works in connection with an electrical current, by creating a varying magnetic field around its windings. When the current\'s flow is interrupted, the magnetic field created around the 621L inductor collapses and releases energy into the output circuit. While the magnetic field of the 621L is maintained, the inductor stores energy until the current is changed or the windings are compromised.When current flows through the 621L inductor it creates a magnetic flux in the core of the device. This flux is what\'s responsible for the inductance created by the 621L. The inductance of the 621L is determined by the core material, the number of turns of wire on the windings, and the size of the core. Generally speaking, the higher the inductance, the more energy can be stored in the field.In terms of applications, the 621L inductor is ideal for radio frequencies, audio, and power sources. Its high inductance value means it is capable of storing more energy and can be used in devices and circuits where high demand for power is required. Additionally, the 621L is designed to dampen RF interference, making it ideal for RF and low noise applications.Ultimately, the 621L is a versatile and efficient inductor which can be used in a wide range of applications, from resonators to home audio to automotive components. Despite its small size, this inductor offers a high inductance value as well as the ability to reduce RF interference - making it an ideal choice for both high frequency and low frequency applications.

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