SRE6603-472M

DC Resistance (DCR):	13.9 Ohm Max
Height - Seated (Max):	0.115" (2.92mm)
Size / Dimension:	0.260" L x 0.175" W (6.60mm x 4.45mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-25°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	1MHz
Q @ Freq:	50 @ 100kHz
Series:	SRE6603
Shielding:	Shielded
Current - Saturation:	21mA
Current Rating:	60mA
Tolerance:	±20%
Inductance:	4.7mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are an important component of electronic circuits, with wide ranging applications in the telecommunications, automotive, biomedical, and industrial sectors. The SRE6603-472M (inch) or SRE6801-472M (mm) is a high performance, fixed inductor designed primarily for RF circuit designs. This article will focus on the application fields and working principle of the SRE6603-472M.

Applications

The SRE6603-472M is ideal for use in RF frequency applications which require the management of high and low frequencies. It has been especially developed for receivers and transmitters of modern communications systems, such as WIFI, GSM, and satellite radio systems. The SRE6603-472M is also suitable for power supply noise suppression, high-current regulation, etc.

Working Principle

The SRE6603-472M is designed in an integrated package, where a pre-wound coil of enamelled copper wire is wound around a ferrite core. The core limits the quantity of magnetic flux, and enables the inductor to convert electrical energy into a magnetic field. The inductor can then store this magnetic field in its core, and provide a low impedance path for current to flow through. The SRE6603-472M has a high capacity to store energy, allowing it to produce large values of inductance. This inductance is represented by the equation L=N^2A, where N is the number of turns of the winding, and A is the cross-sectional area of the core.The higher the inductance, the larger the size of the inductor - the SRE6603-472M\'s large parasitic capacitance leads to significant losses in high frequency applications. It should therefore be used in combination with other components, such as capacitors, to reduce the losses.

Conclusion

The SRE6603-472M is a high performance fixed inductor designed primarily for use in RF applications. Its large capacity to store energy enables it to produce large values of inductance, making it suitable for the receivers and transmitters of modern communications systems. It can also be used for power supply noise suppression and high-current regulation. Although the SRE6603-472M has a high capacity to store energy, its high parasitic capacitance leads to significant losses in high frequency applications. This can be reduced by using it in combination with other components, such as capacitors.

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