LK2125220M-T

Series:	LK
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multilayer
Material - Core:	--
Inductance:	22µH
Tolerance:	±20%
Current Rating:	5mA
Current - Saturation:	--
Shielding:	Unshielded
DC Resistance (DCR):	900 mOhm Max
Q @ Freq:	30 @ 1MHz
Frequency - Self Resonant:	16MHz
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Inductance Frequency - Test:	1MHz
Mounting Type:	Surface Mount
Package / Case:	0805 (2012 Metric)
Supplier Device Package:	0805 (2012 Metric)
Size / Dimension:	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max):	0.057" (1.45mm)

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Fixed inductors are electronic components used in a range of applications from consumer electronics to medical equipment. The LK2125220M-T is a specific type of fixed inductor. It is a four-pin, surface mount, end-on, shielded inductor. This inductor is designed to reduce electrical noise and interruptions from running through a circuit. It is made of an inner magnetic core surrounded by a metal housing and external casing.The application field of the LK2125220M-T is for medium-power broadcast and reception, such as television sets, video recorders, switches and automotive radio. This type of inductor also has a wide range of applications in the fields of security systems, mobile/cellular telephony, networking, wireless communication, automotive, computers and computing, and professional audio.The inductance of this model is 2.2uH to 2.5uH with a tolerance of only ± 20%. It has an operating temperature range of -40◦C to +85◦C and can operate at a maximum current of 1.2A. It also has an insulation resistance of 50mW no matter what temperature it is exposed to. The maximum operation frequency of this type of inductor can reach 200MHz.The working principle of the LK2125220M-T is based on Faraday’s Law of Induction. This law states that when a current flows through a coil of wire (ie. a conductor), an electric field is created around the conductor, resulting in a voltage induced in the conductor. This induced voltage is proportional to the rate of change of the magnetic flux.The LK2125220M-T works on a principle of creating a magnetic field within an electrically conductive shield. The shield acts as a Faraday cage, or a shield which prevents the magnetic field from escaping the core. This creates a “black box” which only allows the field of the network to interact inside its enclosure.The combination of the conductive shield and the core ensures that any unwanted electrical noise is prevented from travelling through the circuit. Thistype of fixed inductor is most commonly used in communication systems for radio transmission and reception, as well as in antennas and other electronic devices.The LK2125220M-T is a low-cost, reliable inductor that is suitable for a variety of applications including mobile/cellular telephony, networking, automotive, computers and professional audio. Its precise construction ensures that it is capable of reducing electrical noise and interruptions to minimal levels. This type of inductor is an essential part of many communication systems today.

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