4922R-08J

DC Resistance (DCR):	42 mOhm Max
Height - Seated (Max):	0.230" (5.84mm)
Size / Dimension:	0.520" L x 0.250" W (13.21mm x 6.35mm)
Supplier Device Package:	--
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	4922R
Shielding:	Unshielded
Current - Saturation:	3.07A
Current Rating:	3.07A
Tolerance:	±5%
Inductance:	3.9µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: 4922R-08J Application Field and Working Principle

Fixed inductors are common components in electronic circuits. They are usually used when a constant current or a constant voltage is required. A fixed inductor, such as the 4922R-08J, is a stationary component with two terminals. Both terminals are used to carry current when the inductor is in use.Primarily, 4922R-08J fixed inductors are used to impose high impedance – meaning that current is restricted – and to store electrical energy in the form of a magnetic field. These two functions often make this particular type of inductor suitable for use in circuits where high- frequency signals are required, as it can adjust the flow of energy and keep the output free of distortion or signal interference.In its simplest form, the 4922R-08J inductor consists of a coil of wire wrapped around an iron core. The iron core supports the coil, and it is through the combination of these two components that the inductor is able to function. When an electrical signal is passed through the coil, the iron core helps to increase the inductance and also the energy storage capacity. As a result, the inductor is able to control the flow of energy in the circuit and prevent distortion or interference.The basic working principle behind the 4922R-08J fixed inductor is similar to that of other inductors. An electric current is passed through the coil which creates an alternating magnetic field. The size of this field is proportional to the amount of current passed through the coil. As this alternating magnetic field passes through and around the core, it creates a force known as inductance, which opposes the flow of current. This force is known as the self-inductance of the inductor and acts as a “velocity brake” – preventing current from flowing too quickly. The inductance of the 4922R-08J is rated at 1.2 milli henries (mH).The most common application of the 4922R-08J inductor is in analog circuits. It is commonly used in radio equipment, which relies on high-frequency signals, as it can help prevent signal distortion. It can also be used in power supplies and in the voltage regulation stage, for example. In these cases, the inductor works to maintain a constant voltage flow and to suppress any unwanted ripple or noise. Furthermore, the 4922R-08J is an ideal component for different types of filters, especially high- frequency ones. It can be used as a low-pass filter, high-pass filter, or band-pass filter to help regulate unwanted current and reduce any interference.Fixed inductors such as the 4922R-08J are inexpensive and available in many different sizes and types, making them extremely versatile. Their ability to control current and suppress noise and ripple make them invaluable in numerous electrical applications. And, with their low cost and high efficiency, the 4922R-08J inductor is a great choice for any circuit requiring a reliable fixed inductor to perform the desired functions.

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