4922-09L

Package / Case:	Nonstandard
Supplier Device Package:	--
Size / Dimension:	0.505" L x 0.240" W (12.82mm x 6.09mm)
Height - Seated (Max):	0.230" (5.84mm)
Series:	4922
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Wirewound
Material - Core:	Ferrite
Inductance:	4.7µH
Tolerance:	±15%
Current Rating:	2.9A
Current - Saturation:	2.9A
Shielding:	Unshielded
DC Resistance (DCR):	47 mOhm Max
Q @ Freq:	--
Frequency - Self Resonant:	--
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Inductance Frequency - Test:	1kHz
Mounting Type:	Surface Mount

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Fixed Inductors

An inductor is a type of electronic component with a coil of wire that stores energy in the form of a magnetic field. Fixed inductors, typically referred to as inductors, are common in electronic circuits. The 4922-09L is one such inductor. Its application field and working principle can be outlined as follows.

4922-09L

The 4922-09L is a high power, high inductance, surface-mount inductor. It is constructed of metal and core materials, and consists of copper wound around a powdered iron core. The inductance of the 4922-09L can range from 22 to 47 nanohenries, while its power rating is 3.8 - 6.8 A. (1)

Application Field

The 4922-09L is a particularly good choice for high-frequency applications. Due to its high inductance, it can provide additional impedance at higher frequencies. This is beneficial in circuits where a combination of several active components are used to shape the frequency response. The 4922-09L also works very well in applications that require frequency stabilization or high power, such as in radio transmitters. (2)In addition, because of its surface-mount construction, the 4922-09L can be used in tight, compact boards. It is well-suited for applications where size is critical, such as in portable or handheld electronic devices. (3)

Working Principle

Inductors work by inducing back-EMF in a coil of conductive wire when an AC current is applied. This is due to the self-induced magnetic field generated by the coil. This magnetic field opposes the flow of current and works to resist changes in the current. This opposed resistance to change in the current flow is referred to as inductance. (4)When connected in series or parallel with other circuit components, the inductor will cause lower frequency signals to be amplified. It will also reduce higher frequency signals, which is why it is used in applications that require frequency stabilization. (5)

Conclusion

The 4922-09L is a high power, high inductance surface-mount inductor. It has a wide range of applications due to its ability to provide additional impedance at higher frequencies and its size. It can be used in applications where frequency stabilization or high power is required, or when size is critical. Its working principle is based on the self-induced magnetic field that it creates when an AC current is applied, which produces a back EMF that works to resist changes in current flow.

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