SD8350-4R7-R

DC Resistance (DCR):	22 mOhm Max
Height - Seated (Max):	0.118" (3.00mm)
Size / Dimension:	0.374" L x 0.327" W (9.50mm x 8.30mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SD8350
Shielding:	Shielded
Current - Saturation:	5.5A
Current Rating:	4.1A
Tolerance:	±30%
Inductance:	4.7µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction of Fixed Inductors and the SD8350-4R7-R

A fixed inductor is a type of electrical component that is designed to store a static magnetic energy when electric current pass through its core. It is a passive component, which means that it requires energy to be applied externally, and cannot amplify the signal passing through it. The electrical property of a fixed inductor is its inductance, represented in henrys (H), which is defined as the ratio between the amount of voltage induced when a current is passed through its coils. The SD8350-4R7-R specifically is a remarkably versatile fixed inductor, and is available in a wide range of inductance values – from 0.047 to 680 μH. It has a strong magnetic core and can operate in temperatures ranging from -50°C to +125°C. Its maximum DC current rating is 470mA and its peak current is rated at 570mA. It also features low profile and excellent solderability.

Application Field of SD8350-4R7-R

The SD8350-4R7-R is used in many electronic components and circuits, including high frequency power supply circuits, power converters, degaussing coils, and resonance circuits. It is also often used in computer motherboards, cell phones, and other electronic products, and is even applicable in hybrid electric and fuel-cell vehicles. The SD8350-4R7-R is particularly suitable for high noise suppression and noise reduction filter circuits, especially in high-frequency devices such as 5G base stations. In these applications, the low noise characteristics of the product allow it to accurately filter out communication signals while maintaining strong inductance.

Working Principle of SD8350-4R7-R

The SD8350-4R7-R works through magnetic induction. When electric current passes through its thick, robust core, a static magnetic field is generated. The induced magnetic field that is generated interacts with the electric current, creating an opposing back EMF, thereby creating a loop in which energy can be stored and regulated. This process is called electromagnetic induction and is known as Faraday\'s law. The magnetic field of the SD8350-4R7-R will cause the current in the circuit to decrease, a process known as impedance matching. This helps to reduce noise and other disturbances in the circuit. Additionally, the quality and stability of the current can be regulated by changing the strength of the magnetic field, allowing for further control over the particular settings.

Conclusion

The SD8350-4R7-R is a highly versatile fixed inductor whose applications range from consumer electronics to hybrid electric vehicles. Its strong magnetic core allows it to have a wide range of inductance values and temperature ranges, making it suitable for a variety of applications. It is capable of lower noise levels, enhanced soldering ability, and excellent inductance. Its working principle is based on the principle of electromagnetic induction, where it uses its generated static magnetic field to induce a back EMF and regulate energy flow, thus enabling energy storage and impedance matching in the circuit.

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