S1812R-473K Inductors, Coils, Chokes

DC Resistance (DCR):	3.4 Ohm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Supplier Device Package:	1812
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	9MHz
Q @ Freq:	50 @ 2.5MHz
Series:	S1812R
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	242mA
Tolerance:	±10%
Inductance:	47µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors are electronic components designed to store energy in the form of an electromagnetic field. A fixed inductor (or non-variable inductor) is a type of inductor that has a fixed inductance value, meaning that it will always produce the same amount of inductance regardless of its operating environment. Fixed inductors are a common type of inductor and are frequently used in a range of electronic equipment and circuitry, including DC-DC converters, audio equipment, and guitar pedals. This article will provide an overview of the S1812R-473K fixed inductors, including its application field and working principle. The S1812R-473K fixed inductor is a relatively small inductor, measuring just 1812 square mils and with a maximum height of just 0.078 inches. It features a ferrite core material construction with a copper-plated lead frame and a molded base, providing a convenient form factor for integration into a wide range of applications. It is rated for an inductance value of 4.7µH, a rated DC current of 15 amps, and a rated operating temperature of -40°C to 85°C. Thanks to its small size and high performance, the S1812R-473K can be used in a range of applications, from power supply units, automotive equipment, and PC boards, to LED lighting, digital cameras, and audio equipment. It is also suitable for high frequency switching applications, thanks to its high current ratings and low coil resistance. It is particularly well-suited for power supply supplies and power management modules in mobile devices, where its small size and high-performance design can help reduce board-space consumption.The working principle of the S1812R-473K fixed inductor is relatively simple. When current flows through it, it produces a magnetic field that causes the current to oppose the flow of electrons. The inductor stores energy as a result, allowing current to continue to flow despite the opposition. This creates inductance, which can be used as an effective filter for high-frequency noise. It can also be used in noise suppression or as an amplifier, depending on the specific circuit. In conclusion, the S1812R-473K fixed inductor is an efficient and versatile inductor suitable for a wide range of applications. Thanks to its small size and high current ratings, it is ideal for tight board spaces and can be used to filter out high-frequency noise or to amplify signals. It is particularly well-suited for power supply units and power management modules in mobile devices, allowing the user to reduce board-space consumption.

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Part Number	Manufacturer	Price	Quantity	Description