4494R-475 Allicdata Electronics
Allicdata Part #:

4494R-475-ND

Manufacturer Part#:

4494R-475

Price: $ 4.68
Product Category:

Inductors, Coils, Chokes

Manufacturer: API Delevan Inc.
Short Description: FIXED IND 4.7MH 260MA 1.85 OHM
More Detail: 4.7mH Unshielded Wirewound Inductor 260mA 1.85 Ohm...
DataSheet: 4494R-475 datasheet4494R-475 Datasheet/PDF
Quantity: 1000
50 +: $ 4.20840
Stock 1000Can Ship Immediately
$ 4.68
Specifications
DC Resistance (DCR): 1.85 Ohm
Height - Seated (Max): 0.235" (5.97mm)
Size / Dimension: 0.465" L x 0.405" W (11.81mm x 10.29mm)
Supplier Device Package: --
Package / Case: 8-SMD, Gull Wing
Mounting Type: Surface Mount
Inductance Frequency - Test: 250kHz
Operating Temperature: -20°C ~ 80°C
Ratings: --
Frequency - Self Resonant: 700kHz
Q @ Freq: 100 @ 250kHz
Series: 4494R
Shielding: Unshielded
Current - Saturation: 15mA
Current Rating: 260mA
Tolerance: ±25%
Inductance: 4.7mH
Material - Core: Ferrite
Type: Wirewound
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed Inductors:4494R-475 Application Field and Working Principle

In this article, the 4494R-475 inductor, a fixed inductor, is discussed with an analysis of its application fields and its working principle. The 4494R-475 is a high-performance, fixed-inductance inductor designed to offer superior reliability, dependability, and accuracy.

Application Field

The 4494R-475 is primarily used as a DC-blocking device for RF, VHF, UHF, and microwave applications. It is suitable for radios, receivers and transmitters, communication equipment, and even satellites. It is also used in other applications such as oscillators, filters, and timers. The 4494R-475 inductor can handle higher frequencies than most other inductors and works well in any environment with extremely low noise levels.

The 4494R-475 is a fixed inductor typically used for high-frequency applications, such as cellular radio and microwave technology. It is also used for applications that require high current and low voltage, and its fast response time makes it an ideal choice for fast switching applications. It is also recommended for energy storage applications, such as those used in electrochemical energy storage systems.

Working Principle

The 4494R-475 inductor works through the principle of electromagnetic induction. This process is responsible for generating an electric current when magnetic fields are passed through coils or wires. This principle is based on Faraday\'s Law of Electromagnetic Induction. According to this, an electromotive force (EMF) will be induced in a wire when a magnetic field is applied to it. The induced EMF is inversely proportional to the rate of change of the flux.

When a DC current is passed through the 4494R-475, the inductor tries to oppose the change in current. As a result, the inductor coil stores energy in the form of a magnetic field. The magnetic field created is proportional to the amount of current flowing through it. When the current is cut off, the stored energy in the form of a magnetic field is released, creating another current that is opposite to the original current. This process is called back EMF. The 4494R-475 inductor has a higher inductance than most other inductors, which makes it the perfect choice for high-frequency applications.

Conclusion

The 4494R-475 is a fixed inductor ideal for high-frequency applications, such as cellular radio and microwave technology. It is suitable for radios, receivers and transmitters, communication equipment, and even satellites. It is also used in other applications such as oscillators, filters, and timers. It is also recommended for energy storage applications, such as those used in electrochemical energy storage systems. The 4494R-475 works through the principle of electromagnetic induction and is able to store energy in the form of a magnetic field when DC current is passed through it.

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

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