MPI4040R1-R47-R Inductors, Coils, Chokes

Series:	MPI4040
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Wirewound
Material - Core:	Metal Composite
Inductance:	470nH
Tolerance:	±20%
Current Rating:	5.2A
Current - Saturation:	11.5A
Shielding:	Shielded
DC Resistance (DCR):	20 mOhm
Q @ Freq:	--
Frequency - Self Resonant:	--
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Inductance Frequency - Test:	100kHz
Mounting Type:	Surface Mount
Package / Case:	Nonstandard
Supplier Device Package:	--
Size / Dimension:	0.175" L x 0.160" W (4.45mm x 4.06mm)
Height - Seated (Max):	0.047" (1.20mm)

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Introduction

The MPI4040R1-R47-R is a type of fixed inductor. It is a medium- to high-power fixed inductor that most typically finds application in switch-mode power supplies and power converters. It offers higher inductance values than many similar inductors, with inductance values ranging from 0.47μH to 4.7μH.

Application Field

The MPI4040R1-R47-R is most often used in switch-mode power supplies and power converters. These devices use switch-mode technology to convert a DC voltage to a higher or lower one, and the inductor plays an important role in creating the high frequency pulses which are used to drive these power converters. Generally, a higher inductance value is used for higher frequencies, while a lower one is used for lower frequencies.In addition to power converters, the MPI4040R1-R47-R can be used in circuit designs for RF applications such as amplifiers and mixers. The inductor\'s small size and high-inductance values make it well-suited for these circuit applications.

Working Principle

Inductors are electrical components made up of two important components: a coil and a core. The core material can be air, solid iron, or ferrite, depending on the desired inductance value and the amount of energy the inductor needs to store.The coil consists of one or more turns of wire wound in a specific pattern around the core material. When electric current flows through the coil, it creates a magnetic field around the core. This magnetic field induces an opposing electric current in the coil, resulting in the inductor\'s ability to limit current flow, store energy, or filter out frequency signals.The MPI4040R1-R47-R is capable of providing medium- to high-power inductance values, making it ideal for use in power supply converters. The inductance values are primarily determined by the core material and the number of turns of the coil. A higher number of turns will result in a higher inductance value.

Conclusion

The MPI4040R1-R47-R is a type of fixed inductor that is most often used in switch-mode power supplies and power converters. It offers higher inductance values than many similar inductors, with inductance values ranging from 0.47μH to 4.7μH. The inductance values are primarily determined by the core material and the number of turns of the coil. Additionally, it can find application in RF applications such as amplifiers and mixers, thanks to its small size and high-inductance value.

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