IR04ST390J

Q @ Freq:	60 @ 2.5MHz
Height - Seated (Max):	--
Size / Dimension:	0.180" Dia x 0.385" L (4.57mm x 9.78mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Features:	--
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	14.5MHz
Series:	IR
DC Resistance (DCR):	2.6 Ohm Max
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	176mA
Tolerance:	±5%
Inductance:	39µH
Material - Core:	Iron
Type:	--
Part Status:	Obsolete
Packaging:	--

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Fixed inductors, also known as chokes, are devices used in electrical circuits for blocking, filtering and tuning purposes. One of the most commonly used fixed inductors is the IR04ST390J, which is widely used in a variety of industries and applications.The IR04ST390J is a commonly used fixed inductor in a range of industries, including communications, consumer electronics, industrial, and automotive. It is a small, toroidal inductor made of a ferrite core, and is capable of operating in peaks of up to 70A and 100mOhm DCR. It has a maximum DC resistance of 390ohm, and is capable of operating at temperatures as low as -55°C and as high as +125°C.The working principle of the IR04ST390J is based on Faraday’s Law of Induction, which states that whenever there is a change in current, the induced magnetic field will generate a voltage opposite to the current. This is the basis of the working principle of the IR04ST390J fixed inductor.When current passes through the inductor, it produces an induced magnetic field which buckles the wire around the core of the inductor. This magnetic field creates a back-EMF, which opposes the flow of current as it passes through. This property of induction makes the inductor highly efficient in blocking and filtering current in a circuit. Furthermore, the inductor can be tuned to a desired value by adjusting the coil length, which allows it to filter out certain frequencies in a circuit.The IR04ST390J fixed inductor is highly versatile and can be used in a wide variety of applications. It can be used in power supplies, keyboards, starter motors, and a variety of other devices. The inductor is also highly popular in the automotive industry, where it is commonly used for controlling engine voltage and power distribution.Overall, the IR04ST390J is a highly versatile inductor which is used in a variety of industries and applications. It is based on Faraday’s Law of Induction and works by producing an induced magnetic field, which buckles the wire around the inductor core and creates a back-EMF which opposes the flow of current. The inductor can be used in power supplies, keyboards, starter motors, and a variety of other devices.

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