NR6045T3R0N Inductors, Coils, Chokes

DC Resistance (DCR):	31.2 mOhm Max
Height - Seated (Max):	0.177" (4.50mm)
Size / Dimension:	0.236" L x 0.236" W (6.00mm x 6.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-25°C ~ 120°C
Ratings:	--
Frequency - Self Resonant:	45MHz
Q @ Freq:	--
Series:	NR
Shielding:	Shielded
Current - Saturation:	5A
Current Rating:	3.2A
Tolerance:	±30%
Inductance:	3µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors, also known as chokes, are electric components whose purpose is to introduce inductance into a circuit. The inductance of a fixed inductor stays constant regardless of the level of current passing through the coil. Fixed inductors are common components in electronic circuits where they are used to filter, suppress, or otherwise shape the flow of signals. In this article, the NR6045T30R0N inductor is examined in terms of its application field and working principle.

Application Field

The NR6045T30R0N inductor is a surface-mount device and so it is ideal for applications where space is limited, or where the inductor must be soldered directly onto the circuit board. Typical uses of the device include noise suppression, power supply by-passing in high-frequency switching applications, power factor correction (PFC) applications, and radio-frequency interference (RFI) and electromagnetic interference (EMI) filter components.In noise suppression applications, the NR6045T30R0N can be used to suppress unwanted signal noise from propagating through the circuit. This is accomplished by the inductor\'s ability to delay high and low frequency signals, thus preventing the noise from entering the system. In power supply filtering circuits, the inductor is used as a high-frequency bypass to filter out any electrical noise that may be released from the power supply. In PFC circuits, the NR6045T30R0N can be used to control the flow of energy from the power supply to the load, which helps improve the power quality of the system. When used as an RFI or EMI filter, the NR6045T30R0N acts as a damping element that can attenuate high and low frequency signals and reduce their impact on the system\'s performance.

Working Principle

The NR6045T30R0N is a fixed inductor, meaning that its inductance remains constant regardless of the level of current passing through the coil. The inductance of a fixed inductor is determined by the physical properties of its core material and the number of turns within the coil. The NR6045T30R0N inductor contains a ferrite core which helps to provide the component with its high inductance values and low losses.At low frequencies, the current through the inductor will remain relatively low and the inductor is said to be operating in the linear region. As the frequency of the signal increases, the current through the inductor will begin to increase and the inductor will enter the non-linear region. In this region, the inductor will show a frequency dependent behavior which can be used to filter out unwanted signals.The NR6045T30R0N also features an ESR (equivalent series resistance) value which determines the amount of resistance the inductor presents to the flow of current. The ESR value of the NR6045T30R0N is very low, which helps to reduce signal losses, thus resulting in increased signal clarity.

Conclusion

The NR6045T30R0N fixed inductor is a versatile component that can be used in a variety of different applications. The device has a small surface mount footprint which makes it ideal for applications where space is at a premium. The inductor\'s high inductance and low ESR values make it suitable for use in noise suppression, power supply filtering, and RFI and EMI filter circuits. The linear and non-linear behaviors of the NR6045T30R0N also make it useful for frequency dependent filtering applications.

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