PM105-220M-RC Inductors, Coils, Chokes

DC Resistance (DCR):	100 mOhm
Height - Seated (Max):	0.228" (5.80mm)
Size / Dimension:	0.386" L x 0.386" W (9.80mm x 9.80mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	13MHz
Q @ Freq:	25 @ 2.52MHz
Series:	PM105
Shielding:	Unshielded
Current - Saturation:	3.5A
Current Rating:	1.95A
Tolerance:	±20%
Inductance:	22µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: PM105-220M-RC application field and working principle

Fixed inductors, also known as radio frequency (RF) inductors, are magnetic components that are used to control current in electronic circuits. As the name implies, they stay in a fixed state when in use; they are less affected by outside influences such as temperature or vibration compared to variable inductors, making them ideal for applications where stability is a must. The PM105-220M-RC is a type of fixed inductor manufactured by Murata that is used in a variety of applications.The PM105-220M-RC is a molded RF inductor that can handle frequencies up to 300 MHz. It features a wide resonance region, high frequency stability, and excellent temperature stability, making it an ideal choice for circuits that involve high-frequency radio signals. It is available in a variety of sizes and models, and the operating temperatures range from -40°C to +85°C. Additionally, the device exhibits a high-Q value, which means it can store a large amount of energy for its size.The application fields of the PM105-220M-RC could range from mobile phones, wireless LANs, personal computers, to a variety of RF circuits such as amplifiers, signal sources, antenna switches, and the like. This type of inductor is also used in RF circuits for the purpose of providing matching of impedances; when other components are connected in parallel with the PM105-220M-RC, such as a capacitor, the impedance of the entire circuit is changed accordingly.The working principle of the PM105-220M-RC is based on Faraday’s Law of Induction, which says that a changing magnetic field induces an electric current in a conductor or circuit. When an alternating current passes through the inductor, a magnetic field is created around it, which is referred to as the self-inductance. It is this self-inductance, in combination with the property of impedance, which allows the inductor to store energy in the form of a magnetic field.In order to maximize the performance and accuracy of the PM105-220M-RC, the design of the inductor is tailored to the specific application. This typically involves the selection of the appropriate winding material – such as copper, aluminum, or tinsel – as well as the appropriate number of turns and diameter of the winding. For cases where the inductor is used for signal coupling, the value of the inductance can be modified by increasing or decreasing the number of turns.To sum up, the PM105-220M-RC is a type of fixed inductor that is widely used in RF circuits due to its stable performance and impressive frequency range. It is available in various sizes and models, and is well suited for a variety of applications, ranging from mobile phones to wireless LANs. By understanding the magnet mechanism of Faraday’s Law of Induction, along with knowing how to properly customize the design to fit the specific application, the PM105-220M-RC can help provide the necessary inductance in order to build a successful wireless system.

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