AIUR-11-4R7M

DC Resistance (DCR):	24 mOhm Max
Height - Seated (Max):	0.450" (11.43mm)
Size / Dimension:	0.375" Dia (9.53mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	AIUR-11
Shielding:	Unshielded
Current - Saturation:	6.2A
Current Rating:	1.6A
Tolerance:	±20%
Inductance:	4.7µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Inductors, also called coils, chokes, reactors, or just inductances, are electrical components that store and provide energy in the form of magnetic fields. They are classified according to the type of material used to produce the electromagnetic field, such as copper, aluminum, ferrite, ferromagnetic core, and air-core. Fixed inductors are one of these types and they are permanently fixed or stamped in the electrical circuits.The AIUR-11-4R7M is a rectangular, through-hole, wound-core, fixed inductor used mainly for switching power supplies, LCD television power supplies, automotive, telecommunications, consumer, and audio/video applications.

Working Principle

The working principle of fixed inductors is based on Faraday’s law of induction. According to Faraday’s law, when the magnetic field changes, it induces an electric current in a conductor that’s placed in the magnetic field. The electric current produces a counterreactance force (again based on Faraday’s law) that opposes the motion that’s producing the magnetic field.In a fixed inductor, current flows through the coil wound around a core. This current creates a magnetic field around the core, allowing it to store energy in the form of a magnetic field. When the current through the inductor changes, the stored magnetic field will collapse, inducing an electric current in the conductor. This induced electric current will flow in the opposite direction of the original current. In this way, the fixed inductor creates a voltage drop, “balancing” the current passing through it.

Application Field

The AIUR-11-4R7M can be used in a variety of application fields such as switching power supplies, LCD television power supplies, automotive, telecommunications, consumer, and audio/video applications.In switching power supplies, fixed inductors are used to create a variable current that can regulate the electric current over a wide range of voltages. This ensures a stable supply of power and reduces the risks associated with unstable electricity.In LCD television power supplies, fixed inductors are used to create an oscillator circuit, which allows the voltage levels to be regulated correctly.In automotive applications, fixed inductors are used to improve the functioning of antennas, reduce the noise caused by pulses and alternators, and to filter out high-frequency noise in the electrical circuit.In telecommunications applications, fixed inductors are used to filter signal frequencies and to increase signal power.In consumer and audio/video applications, fixed inductors are used to provide a balanced signal, reduce noise, and improve signal clarity.In conclusion, the AIUR-11-4R7M is a rectangular, through-hole, wound-core, fixed inductor that is mainly used in switching power supplies, LCD television power supplies, automotive, telecommunications, consumer, and audio/video applications. It works by creating a counterreactance force that opposes the motion that created the magnetic field, allowing the inductor to store energy in the form of a magnetic field.

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