DC Resistance (DCR):	4 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.240" Dia x 0.740" L (6.10mm x 18.80mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	2474
Shielding:	Unshielded
Current - Saturation:	150mA
Current Rating:	300mA
Tolerance:	±10%
Inductance:	1.8mH
Material - Core:	Ferrite
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors and the 2474-40K Application Field and Working Principle

Fixed inductors are devices of electronic components used to store electrical energy in the form of a magnetic field. They are commonly employed in electronic equipment such as amplifiers, frequency dividers, power supplies, and switch-mode power supplies. The 2474-40K is one such inductor, utilized in all sorts of applications.

Overview

The 2474-40K from Modern Magnetics is a small, surface-mountable cylindrical inductor. It is constructed with a ceramic body and has a wire-wound construction, comprised of an eighteen power-turn copper wire. This enables it to perform over a wide range of frequencies, with resonance occurring at only 10MHz. It has a nominal inductance of 4.7uH, an operating temperature range from -40 to +85 C, a maximum DC current of 800mA, and a maximum DC resistance of 192mOhms. The small size and reliable performance make it a great inductor for many applications.

Applications

Given its size and performance, the 2474-40K is commonly used in many electronics applications. It has been used in radar systems as a filter, power amplifiers, radio frequencies, banking systems, cell phones, and even automobiles. It can also be utilized in low-frequency applications, such as pulse circuits and signal processing. Due to its ability to provide accurate frequency resource and resonance stability, it is also suitable for use in portable electronic devices.

Working Principle

The 2474-40K works on the principle of inductance. It works by creating a magnetic field through the application of voltage. The magnetic field created by the inductor stores the voltage that is introduced, creating an electrical field. This process of converting voltage into a magnetic field is called inductance. As the inductor increases in value, the magnetic field it produces increases as well, creating more voltage. The 2474-40K has a resistance or impedance as well, which affects the amount of current that passes through the inductor. As the current increases, the voltage produced by the inductor increases as well. This relationship between voltage and current creates a magnetic field, enabling the inductor to store energy as a magnetic field and convert it back into electrical voltage.

Conclusion

The 2474-40K from Modern Magnetics is a fixed inductor that can be used in a vast array of applications. Its small size and wide operating range make it an ideal choice for many projects that require precise frequency responses and resonance stability. Additionally, its high power rating and low resistance make it great for applications such as power amplifiers and radio frequencies. Thanks to its high performance and reliability, the 2474-40K is widely used in a variety of projects.

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