MDWK4040T2R2MMV

Q @ Freq:	--
Height - Seated (Max):	0.079" (2.00mm)
Size / Dimension:	0.157" L x 0.157" W (4.00mm x 4.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Features:	--
Inductance Frequency - Test:	1MHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	AEC-Q200
Frequency - Self Resonant:	--
Series:	MCOIL™, MD
DC Resistance (DCR):	54 mOhm Max
Shielding:	Shielded
Current - Saturation:	5.4A
Current Rating:	3.5A
Tolerance:	±20%
Inductance:	2.2µH
Material - Core:	Metal
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are small electronic components that are designed to store energy in an inductive field for a limited amount of time. They are commonly used in a wide range of applications, such as in power supplies, radios, amplifiers and other electronics. Most inductors are made of a coil of wire wrapped around a core, usually a metal core. The core provides the magnetic field which is necessary for the inductor to work, and the wire creates a circuit that allows current to flow.The MDWK4040T2R2MMV Linear Fixed Inductors are designed for high-frequency signal transmission applications. These inductors are capable of handling and storing large amounts of energy. The inductor features an enameled wire construction with a rated inductance tolerance of +/- 10%. The inductance value ranges from 0.4 to 4.0µH and it can handle a maximum current of 28.3mA.The MDWK4040T2R2MMV works based on Faraday’s law of induction. According to this law, an electrical current passing through a wire produces a magnetic field around it. The magnetic field in turn produces an electric current in a loop of wire surrounding the wire, which is called an induction phenomenon. As the current through the loop increases, the strength of the magnetic field increases and so does the induction in the loop. The strength of the magnetic field and the induction fall off as the current decreases in the loop.The MDWK4040T2R2MMV inductor consists of a core wound with many turns of wire, which inducts a voltage proportional to the rate of change of current passing through it. When current passes through the inductor, a voltage drop is observed, which is proportional to the rate of change of the current. This drop can be used to regulate power supply voltages and generate the required waveforms in audio amplifiers. The inductor also allows the passage of AC current while hindering the flow of DC current. This is because the inductor generates an opposing force to the flow of current which makes it difficult for DC current to pass through it.The MDWK4040T2R2MMV is most commonly used in the following applications:

• Automotive electronic systems such as car radio systems.
• Power supplies.
• Audio amplifiers.
• High-frequency signal transmission.
• DC-DC converters.
• Voltage control circuits.

The MDWK4040T2R2MMV Linear Fixed Inductors are suitable for compact board applications, which require a small inductor size and efficient energy storage. These inductors feature a low profile package, which offers enhanced heat dissipation and a high current rating of 28.3mA. They are also capable of working at temperatures ranging from -40°C to +125°C. The inductors come with an electrostatic shield that features a copper-plated steel casing, which prevents interference or noise from other circuit components.

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