4445R-22K

DC Resistance (DCR):	250 mOhm Max
Height - Seated (Max):	0.230" (5.84mm)
Size / Dimension:	0.210" L x 0.110" W (5.33mm x 2.79mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	50MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	200MHz
Q @ Freq:	70 @ 50MHz
Series:	4445R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	900mA
Tolerance:	±10%
Inductance:	560nH
Material - Core:	Iron
Type:	Toroidal
Part Status:	Active
Packaging:	Bulk

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Introduction: Fixed Inductors
Fixed inductors are passive electrical components reactors, mainly composed of a coil of wire wound around an electromagnetic core, of which the most common type are air-core inductors and ferrite-core inductors. The purpose of the inductor is to oppose electric current, to store energy in the form of a magnetic field, and to filter out certain frequencies from a signal. A fixed inductor also known as an inductor is a fundamental component of any electric circuit. It is typically used to transform electric or electromagnetic energy into some other form of energy. The basic structure of a fixed inductor consists of an inner winding loop called a core, and an outer winding loop called a coil. The current flowing through the coil of the inductor creates a magnetic field around the core. When an electromagnetic wave or current is applied to the inductor, the magnetic field of the core will create an induced current in the coil, thus resulting in the transformation of energy.

4445R-22K Application Field and Working Principle
The fixed inductor 4445R-22K is a cylindrical device, with an outer winding and an inner core. It is commonly used in power supplies, in the control of power electronics, or in switching applications. The main purpose of this type of inductor is to provide a constant output current or voltage over a given range in a power supply. It also helps to avoid the over-voltage condition in communications applications, and can be used to regulate the speed of motor applications. The 4445R-22K fixed inductor works in the same manner as other inductors; current passes through its two coils and generates a magnetic field. A changing magnetic field will induce a current flow in the second coil. This induced current can be used to control the amount of current flowing through other electrical components, providing either a regulated output current or stabilized output voltage.The 4445R-22K inductor is popular for its low cost and high efficiency. Its main advantage is that it has a wide range of applications, ranging from low-voltage to high-voltage applications, and is highly reliable in operation. It is also highly resistant to shock and vibration, and has lower power consumption than other similar inductors.The 4445R-22K inductor is also easy to install and troubleshoot, and can be used in both topological and discrete forms. The main disadvantage of this type of fixed inductor is that it produces higher electromagnetic interference, but it is otherwise suitable for use in most applications.Conclusion
The 4445R-22K fixed inductor is one of the most commonly used and versatile inductor types available on the market today. It is an invaluable tool that can be used in numerous applications, ranging from low-voltage to high-voltage applications. Its high reliability and low cost make it very attractive to a wide range of users. Its flexibility with regard to topology and installation makes it an attractive option for designers and engineers. Finally, its high EMF resistance makes it suitable for use in most applications.

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