IR02ST3R3H

Q @ Freq:	45 @ 7.9MHz
Height - Seated (Max):	--
Size / Dimension:	0.120" Dia x 0.260" L (3.02mm x 6.60mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Features:	--
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	90MHz
Series:	IR
DC Resistance (DCR):	850 mOhm Max
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	270mA
Tolerance:	±3%
Inductance:	3.3µH
Material - Core:	Iron
Type:	--
Part Status:	Obsolete
Packaging:	--

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Fixed inductors, also known as chokes, coils, windings, or reactions, are electric components that store energy in the form of a magnetic field. IR02ST3R3H is similar to other fixed inductors in terms of components and construction. The core material is a composite of magnetic powder and plastic molding material, which is then coated with an insulating material. The construction of this type of inductor is simple, consisting of a core material and an insulated wire wound around it in a specific way.The primary application of IR02ST3R3H is electromagnetic interference (EMI) suppression. Electrostatic interference can cause unwanted operation of electronic equipment, or even physical damage in some cases. By placing an inductor in the circuit, unwanted circulating currents and oscillations (caused by interference) can be suppressed. The inductor absorbs and stores energy from these currents and reduces the interference. Other applications of this type of inductor include power filtering, voltage regulation, signal conditioning, output filtering/smoothing, and winding isolation.The main working principle behind the IR02ST3R3H device is Faraday\'s Law of Induction. This law states that an induced electromotive force is produced in a circuit when its magnetic field is changing. This electromotive force produces an equal and opposite electric current which flows through the winding of the inductor. This current produces a further magnetic field around the winding, and this, in turn, produces a restoring current which tries to oppose the current flow in the circuit. This creates a resistance to the flow of current, thus limiting the amount of current that can flow through the circuit.When an alternating current (AC) passes through the coil of the IR02ST3R3H inductor, a varying magnetic field is created around the winding. This changing magnetic field is then affected by the core material, which creates an opposite (induced) field around it. This further reduces the current in the circuit, reducing the voltage and providing protection against EMI.In conclusion, the IR02ST3R3H fixed inductor is a composite of magnetic powder and plastic molding material coated with an insulating material. It is mainly used for EMI suppression, power filtering, voltage regulation, and signal conditioning. Its main working principle is based on Faraday\'s Law of Induction, where an induced electromotive force is produced in a circuit when its magnetic field is changing. This creates an opposing magnetic field, reducing the flow of current and providing protection against EMI.

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