S1210R-471K Inductors, Coils, Chokes

DC Resistance (DCR):	450 mOhm Max
Height - Seated (Max):	0.101" (2.57mm)
Size / Dimension:	0.128" L x 0.095" W (3.25mm x 2.42mm)
Supplier Device Package:	1210
Package / Case:	1210 (3225 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	220MHz
Q @ Freq:	40 @ 25MHz
Series:	S1210R
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	653mA
Tolerance:	±10%
Inductance:	470nH
Material - Core:	Iron
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors are electronic components used to store energy in the form of a magnetic field. Fixed inductors, as the name implies, are designed to have a fixed inductance throughout their application life. One example of a fixed inductor is a S1210R-471K.The S1210R-471K is a very popular type of fixed inductor because of its high tolerance to high current, high operating temperatures and low self-capacitance. It is a surface mount device (SMD) that is made up of a coil core, normally a ferrite or air core with windings of a copper wire coated in enamel insulation.The application field of the S1210R-471K involves high frequency switching applications such as switching power supplies, DC-DC converters, and audio applications amongst others. Its operating temperature ranges between -40℃ and + 125℃ and its connecting leads are made of tinned copper wire.The S1210R-471K’s working is based on Faraday\'s law of induction, which states that a current passing through a conductor will induce a magnetic field around it, and vice versa. A fixed inductor works by storing energy in a magnetic field, which is created by threading a conductor (usually copper) around a core, such as a ferrite or air core. The magnetic field created by the current rises and falls smoothly as the current fluctuates due to the inductor\'s inductance. The inductance of the S1210R-471K is measured in henries, (H).Because the magnetic field created by the current is moving, it induces a voltage across the device. The voltage that is induced opposes the current, making the current reduce its speed and the voltage increase. This phenomenon is called the back-EMF or inductive reactance. The back-EMF of the S1210R-471K is typically between 4 and 10 millihenries (mH) and is powerful enough to protect components downstream from high-voltage spikes, making this fixed inductor critical in protecting sensitive electronics and components from damage. Furthermore, inductors are also used to filter out unwanted noise and ripple in electrical circuits.The S1210R-471K has a wide range of useful features. For example, its high tolerance ensures that the inductor will remain stable even in high-current applications, while its low inductance allows it to be used in high-frequency switching applications. Furthermore, it is available in a wide range of sizes to suit a variety of applications, from as low as 0201 in size to as high as 1210 size.In conclusion, the S1210R-471K is a highly reliable and versatile fixed inductor that is perfect for a range of high-frequency switching and filtering applications. Thanks to its wide operating temperature range, high tolerance to high current, and low self-capacitance, it is an ideal choice for almost any application.

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