DC Resistance (DCR):	80 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.728" Dia x 0.374" W (18.50mm x 9.50mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	10kHz
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	WE-FI
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	2A
Tolerance:	±20%
Inductance:	100µH
Material - Core:	Ferrite
Type:	Toroidal
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors

7447021 Application Field and Working Principle

Fixed inductors are components that store electrical energy in an electromagnetic field. In any electrical circuit, inductors act to reduce voltage and smooth out current, which can be very beneficial depending on the surrounding components and conditions. In the case of 7447021 fixed inductors, their use in particular is to defend against voltage and current spikes that can damage sensitive instruments and devices.The 7447021 is a cylindrical, non-polarized inductor, containing windings of copper wire wound around a ferric core. Although this type of inductor is used in a wide range of applications, it is most commonly found in AC/DC power converters, overvoltage protection circuits, and electronic load switches. It should be noted that this component can also be used in automotive electronic systems, making it a very versatile device.The working principle of the 7447021 fixed inductor is fairly simple. Whenever a current is applied to this device, the ferrite core will generate a magnetic field which will induce a back electromotive force. This back EMF will restrict the current, acting as a buffer and preventing excessive current from flowing through the system. This will in turn protect any surrounding components and components from any overloads or surges.When selecting a 7447021 fixed inductor, there are several factors to consider. The length, diameter, and number of windings will all have an impact on its performance. In addition, its operating temperature should also be kept in mind, as the efficiency and reliability of the device can be greatly affected by this factor. Last but not least, it is important to consider the environment in which the device will be placed, as any inherent hazards could damage the component and render it completely useless.In conclusion, the 7447021 fixed inductor is an incredibly useful device for a variety of purposes. It can act as a buffer against current spikes, while also protecting any sensitive components from any surges or overloads. It is important to remember though, that in order for the device to perform properly, it must be chosen according to its specifications, as well as the environment in which it will be placed.

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Part Number	Manufacturer	Price	Quantity	Description