74456247

DC Resistance (DCR):	1.7 Ohm Max
Height - Seated (Max):	0.209" (5.30mm)
Size / Dimension:	0.500" L x 0.394" W (12.70mm x 10.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3.1MHz
Q @ Freq:	--
Series:	WE-PD4
Shielding:	Unshielded
Current - Saturation:	650mA
Current Rating:	600mA
Tolerance:	±10%
Inductance:	470µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionFixed inductors are small electronic components that are designed to provide a certain amount of inductance when a voltage is applied across the device. 74456247, which is an example of a fixed inductor, is designed to provide an inductance of 10-15,000R when a voltage is applied across the device. The 74456247 fixed inductor is made of copper and has a lead time of 0.005 seconds.ApplicationThe 74456247 fixed inductor’s primary application is in providing voltage source protection from electromagnetic interference (EMI). EMI is caused by large amounts of energy moving through the environment that interfere with the operation of any electronic device. The 74456247 fixed inductor is able to reduce this interference by converting the voltage source to a current source. This conversion limits the amount of broad spectrum interference that can enter into the device, and hence protects the operating characteristics of the device.The 74456247 fixed inductor is also commonly used in voltage regulator circuits. These circuits strive to maintain a stable output voltage, regardless of any changes in the input voltage. The inductor helps to maintain the stability of the output by limiting the changes in the current that are drawn from the voltage source.The inductor is also used in many pulsed circuit applications. These applications require a very stable inductance value and hence the 74456247 fixed inductor is an ideal solution.Working PrincipleThe working principle of the 74456247 fixed inductor is simple. When a voltage source is applied to the device, the current flowing through the coils of the inductor causes a magnetic field. This magnetic field resists any changes in the current and hence the inductance is left at its original value. This constant inductance is extremely useful in regulation and EMI protection circuitry.The inductor is designed to maintain its inductance over a wide range of input voltages. This means that the inductor is able to provide protection from high voltage surges and dips and hence is suitable for use in voltage source protection circuits. The inductor is also designed to provide a rapid response time, so that it can quickly react to any changes in the environment.ConclusionThe 74456247 fixed inductor provides voltage source protection, voltage regulation, and pulsed circuit applications. It is able to limit the amount of EMI that can enter the device and helps to maintain a stable output voltage. The inductor is designed to maintain its inductance over a wide range of input voltages and has a fast response time, making it suitable for a wide variety of applications.

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