CLF7045T-4R7N

DC Resistance (DCR):	26 mOhm Max
Height - Seated (Max):	0.189" (4.80mm)
Size / Dimension:	0.283" L x 0.272" W (7.20mm x 6.90mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	CLF
Shielding:	Shielded
Current - Saturation:	4.1A
Current Rating:	3.6A
Tolerance:	±30%
Inductance:	4.7µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Last Time Buy
Packaging:	Tape & Reel (TR)

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Fixed Inductors: CLF7045T-4R7N application field andWorking Principle

Fixed Inductors, also known as inductors,are the components which are extensively used in electrical and electronic systemssuch as radios, television sets, audio systems, etc. A multitude of inductorconfigurations are available in the market depending on the specificrequirements and characteristics. CLF7045T-4R7N, a type of fixed inductor, has many specificfeatures, so it is widely used in a several applications.

CLF7045T-4R7N Features

CLF7045T-4R7N is moreprecise compared to other fixed inductors. Its inductance can stay in therange of 4.7uH — 6.8uH, and its tolerance of no more than 2%. In terms of powerdissipation, this type of inductors have a similar value to that of other smalldevices, with about 2.5W carrying a maximum of 10A. The temperaturecoefficient of the ability of inductance is approximately -500 and 500 ppm/℃,meaning that it remains relatively stable with temperature change. Due to itscompact size, it can be applied in small spaces or dense circuits. It also has anexcellent self-resonant frequency ranging from 200MHz to 600MHz.

CLF7045T-4R7NApplication Fields

CLF7045T-4R7N is widely applicable in aseries of circuits. Firstly, it is used in PFC circuits as a diverter coil,aiming to reduce AC input interference and increase power factor. Secondly, it isapplied in power supply circuits as a filter circuit, which can reduce noises causedby switching power capacity rise time. In addition, it plays a vital role incommunication devices, such as automotive electronics, surveillance cameras, etc.,and also acts as a high frequency circuit, supplying a certain amount ofpower.

Working Principle of CLF7045T-4R7N

The working principle of CLF7045T-4R7N is basedon two key features: alternating current reactance and magnetic induction. ACinductor is an inductor consisting of an iron core. It is used for AC circuitsthrough its alternating current reactance and hence, it sets up a power-frequency magnetic field, resulting in the induction of acurrent in its winding. In short, when an alternating current flowsthrough the CLF7045T-4R7N, a self-induced magnetic field is created and an EMF (electromotive force) is prompted in the winding, resulting in the generation ofa current within the inductor.

Advantages and Disadvantages of CLF7045T-4R7N

The advantages of CLF7045T-4R7N are asfollows. Firstly, it has a small tolerance compared to other inductors, making itmore reliable in yielding a better performance. Secondly, it has the ability topass high-frequency signals, so it is suitable for various frequencies. Thirdly, ithas a high endurance to high temperature, which allows it to continue workingunder higher than normal conditions.However, it also has some drawbacks. Forexample, it has a relatively small range of inductance. Since it has a max powerof only 2.5W, it is not suitable for large-scale circuits with high power.In addition, its size is slightly larger than that of other fixed inductors, so itcannot be used in extremely small circuits.To sum up, CLF7045T-4R7N isa type of fixed inductor which has a series of specific features andadvantages. It is widely used in communication devices, such as automotiveelectronics, to reduce AC input interference and reduce noise ofswitching power capacitors in power supply circuits. The working principle ofCLF7045T-4R7N is based on alternating current reactance and magnetic induction.Though it has some advantages, such as small tolerance and excellent self-resonancefrequency, it also has some drawbacks, such as limited range of inductance andrelatively small max power.

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