DC Resistance (DCR):	450 mOhm Max
Height - Seated (Max):	0.394" (10.00mm)
Size / Dimension:	0.307" Dia (7.80mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3.7MHz
Q @ Freq:	--
Series:	WE-TI
Shielding:	Unshielded
Current - Saturation:	1.2A
Current Rating:	640mA
Tolerance:	±10%
Inductance:	220µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tray

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Fixed Inductors

Fixed Inductors, also known as chokes, coils, and filters, are electrical components used to store energy in the form of an electromagnetic field. They are commonly used in electronics circuits to regulate and filter the supply of current, which can lead to increased efficiency and reduce noise. In this article, we will explore the 744772221 application field and working principle of Fixed Inductors in more detail.

Application Field

Fixed Inductors are widely used in a variety of applications, including:

• Power Supplies: Fixed Inductors can be used in power supplies to regulate the current and voltage output. As power supplies are often exposed to sudden changes and spikes in current, a powerful, reliable inductor can reduce noise, protect circuits, and reduce the risk of power failure.
• RF and Microwave Signal Transmission: Fixed Inductors are used in RF and microwave systems to reduce the amount of interference and provide a more stable signal. This type of inductor can filter out unwanted signals, allowing for greater accuracy in transmission.
• Voltage Step Down: Fixed Inductors can be used in voltage step down circuits. By regulating the current, they can reduce the voltage from a higher voltage to a lower, more manageable one.
• DC-DC Conversion: Fixed Inductors are used in DC-DC converters, which can be used to boost or buck the voltage, allowing it to be used in a different application. They can also be used to convert current from one type of output to another.

Working Principle

The working principle of Fixed Inductors is based on the law of induction, which states that “induced voltage is proportional to the time rate of change of the magnetic flux”. In simple terms, this law states that a changing magnetic field can induce an electric current in a conductor.In an inductor, an electromagnetic field is induced when current flows through its winding. This field stores electrical energy as long as it is present. However, when the current stops flowing, the field collapses and the stored energy is released. This process is known as inductive reactance, and it is what allows an inductor to express its properties.

Conclusion

In conclusion, Fixed Inductors are electrical components used to store energy in the form of an electromagnetic field. They are commonly used in electronics circuits to regulate and filter the supply of current, which can lead to increased efficiency and reduce noise. They can be used in a variety of applications, from power supplies to RF and microwave signal transmission. The working principle of Fixed Inductors is based on the law of induction, which states that a changing magnetic field can induce an electric current in a conductor.

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