IR04ER220K

Q @ Freq:	75 @ 2.5MHz
Height - Seated (Max):	--
Size / Dimension:	0.180" Dia x 0.385" L (4.57mm x 9.78mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Features:	--
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	30MHz
Series:	IR
DC Resistance (DCR):	2.5 Ohm Max
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	175mA
Tolerance:	±10%
Inductance:	22µH
Material - Core:	Iron
Type:	--
Part Status:	Obsolete
Packaging:	--

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Fixed Inductors are types of electrical components, defined as passive devices used to store energy in the form of a magnetic field, when electric current passes through them. A fixed inductor is an inductor whose inductance value is fixed. This makes it suitable for a variety of applications in radio frequency (RF) circuitry, and in filter networks for feedback control loops and active filters.One example of a fixed inductor is the IR04ER220K, which has a variety of applications including transformer primary inductors, power supply switching smoothing, and RF coil filtering. Its working principle involves the winding of conducting wires around a ferromagnetic core, which allows for a greater inductance. The IR04ER220K has eight turns of silver-plated copper wire on a ferrite drum core with a diameter of 2.20mm (0.087 inch).The IR04ER220K is mainly used in low-frequency, high-power applications. Its design is suitable for use in circuits that require low-loss operation, such as in switch-mode power supplies (SMPS), or as a part of an RF filter and antenna system. Additionally, the IR04ER220K is a good choice for circuits that require low-noise operation, as it is highly efficient at reducing noise in the system.The IR04ER220K is able to maintain a regulated current over the range of 0.1mA to 10A, and its maximum AC current is 1.5A. The inductance of the inductor is typically between 4.2 and 4.3 nH. It also has a relatively high self-resonant frequency of 45MHz. When comparing the IR04ER220K to other inductors, it offers the greatest power conversion efficiency, and its size is relatively small compared to other inductors.When it comes to installation, the IR04ER220K is easy to work with. It is designed to be plugged in as single units, or multiple units can be linked together to create larger inductors with greater inductance values. As the inductance is always fixed, it is suitable for industries requiring precision, such as telecommunications and medical device suppliers.While the IR04ER220K is a great choice for a variety of applications, it is important to note that it is not suitable for use in circuits that require high-frequency operation, as its inductance values are not as reliable. Additionally, this inductor should not be used in circuits that require a variable inductance, such as in variable frequency oscillators.In conclusion, the IR04ER220K is an excellent choice for fixed inductors used in low-frequency, high-power applications. It is a reliable and efficient component for switching and filtering purposes, and its installation process is easy to understand and execute. However, it should not be used in any application requiring a variable inductance or operation at higher frequencies.

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