SPD74-223M

DC Resistance (DCR):	110 mOhm Max
Height - Seated (Max):	0.185" (4.70mm)
Size / Dimension:	0.287" L x 0.287" W (7.30mm x 7.30mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SPD74
Shielding:	Shielded
Current - Saturation:	2A
Current Rating:	2A
Tolerance:	±20%
Inductance:	22µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionFixed Inductors are widely used in a variety of electronic circuits. They are devices that help control current flow and store energy in an electromagnetic field. The SPD74-223M is a particularly popular fixed inductor. It is often used in DC to low-frequency AC circuits in consumer products such as cell phones and other home electronics. This article will explore the application field and working principle of the SPD74-223M fixed inductor.ApplicationThe SPD74-223M fixed inductor is typically used in low-frequency (up to 120 kHz) AC circuits. As an inductor, it helps control current flow. It is used to reduce the flow of DC current and act as an electrical current filter. It can also act as a high-power choke, which helps to filter out high-freqency noise that can cause signal degeneration.The SPD74-223M is commonly used in consumer products because its construction is particularly robust and reliable. It is made from a high-quality ferrite material, and its operation is unaffected even when exposed to high temperatures and a wide range of voltages.Function and Working PrincipleFixed inductors, including the SPD74-223M, are electrical components that use a coil of wire to create an electromagnetic field and store energy when current passes through it. This field will resist changes in current, which reduces the flow of current in a circuit.The SPD74-223M has a small construction, but it is still able to provide large inductance. The core of this device is a high-grained ferrite material, which has a high magnetic permeability and low joint magnetic susceptibility. This allows for a high-efficiency current flow with minimal losses.The inductance of the SPD74-223M is provided by the magnetic core. When an electric current passes through the device, the electrons move in a circular motion and create an oscillating magnetic field. This field induces a voltage in the coil of wire, which helps to generate a current flow.ConclusionFixed inductors, such as the SPD74-223M, are vital components in a variety of electronic circuits. They are commonly used in consumer products because of their robust construction and high efficiency. The SPD74-223M in particular has a small construction, yet it is still able to provide large inductance. This is made possible due to its high-grained ferrite material core, which is resistant to high temperatures and a wide range of voltages. The inductance is provided by the magnetic core, as an electric current will cause the electrons to move in a circular motion and ultimately create an oscillating magnetic field.

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