74455147 Allicdata Electronics

74455147 Inductors, Coils, Chokes

Allicdata Part #:

732-1339-2-ND

Manufacturer Part#:

74455147

Price: $ 1.22
Product Category:

Inductors, Coils, Chokes

Manufacturer: Wurth Electronics Inc.
Short Description: FIXED IND 47UH 500MA 640 MOHM
More Detail: 47µH Unshielded Wirewound Inductor 500mA 640 mOhm ...
DataSheet: 74455147 datasheet74455147 Datasheet/PDF
Quantity: 500
500 +: $ 1.10061
1000 +: $ 1.00926
Stock 500Can Ship Immediately
$ 1.22
Specifications
DC Resistance (DCR): 640 mOhm 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: -40°C ~ 100°C
Ratings: --
Frequency - Self Resonant: 12MHz
Q @ Freq: --
Series: WE-PD4
Shielding: Unshielded
Current - Saturation: 500mA
Current Rating: 500mA
Tolerance: ±20%
Inductance: 47µH
Material - Core: Ferrite
Type: Wirewound
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed inductors, commonly known as chokes, are passive components that are used to store magnetic energy when AC current passes through them. The stored energy can then be used to create or modify signals in order to control or alter electric currents. 74455147 fixed inductors are used in a variety of applications, from powering electrical circuits in cars, home appliances, machines, and equipment, to controlling the flow of electricity in computer and audio/video equipment. The following is an overview of the 74455147 fixed inductor application field and working principle.

Types of 74455147 Application Fields

74455147 fixed inductors are most commonly used for power and signal applications, such as power supply filtering, motion control, to reduce noises and electromagnetic interference, or for inductive load switching. In addition, these inductors are also used for providing electrical isolation and for controlling the speed of a motor as well as for signal conditioning.

74455147 Working Principle

Fixed inductors, such as the 74455147, work in a similar manner to that of variable inductors. In a fixed inductor, a coil of wire is wrapped around a ferrite or iron core, forming an inductive loop. When an AC current passes through the wire, it induces a voltage, known as a back EMF, across the loop. This EMF opposes the initial AC current, creating a decrease in the voltage across the loop. The amount of voltage drop depends on the number of turns in the coil, the core material, and the inductance. The total inductance of the inductor is determined by these three factors.

When a fixed inductor is connected to the power supply, the back EMF is used to create a magnetic field inside the inductor. This field stores energy provided by the power source. This stored energy is then released into the circuit as voltage, once the initial voltage has dropped below a certain threshold. This allows the inductor to filter and smooth out the AC current, maintaining a steady voltage in the circuit.

Applications & Benefits of 74455147 Fixed Inductors

Fixed inductors, such as the 74455147, can be used in a variety of applications, from controlling the voltage in electrical circuits to providing insulation in electrical devices. They can also be used in power supplies to reduce noises and interference, while still providing a steady current to the connected device. Their ability to reduce voltage peak and dips can also make them useful in motion control systems. Fixed inductors offer many benefits, such as low DC resistance, improved EMI/RFI immunity, circuit isolation, and the ability to withstand extreme temperatures.

Conclusion

The 74455147 is a fixed inductor that is typically used in a variety of applications, from powering electrical circuits to providing electrical insulation and controlling the speed of a motor. Fixed inductors, such as the 74455147, work by inducing a voltage, known as a back EMF, across the coil. This EMF opposes the initial AC current, creating a decrease in the voltage across the loop. This allows the inductor to filter and smooth out the AC current, maintaining a steady voltage in the circuit. Fixed inductors offer many benefits, such as low DC resistance, improved EMI/RFI immunity, circuit isolation, and the ability to withstand extreme temperatures.

The specific data is subject to PDF, and the above content is for reference

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