B82791G2701N001 Allicdata Electronics
Allicdata Part #:

B82791G2701N001-ND

Manufacturer Part#:

B82791G2701N001

Price: $ 1.34
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Manufacturer: EPCOS (TDK)
Short Description: CMC 4.7MH 700MA 2LN TH
More Detail: 4.7mH @ 10kHz 2 Line Common Mode Choke Through Hol...
DataSheet: B82791G2701N001 datasheetB82791G2701N001 Datasheet/PDF
Quantity: 1000
320 +: $ 1.21580
Stock 1000Can Ship Immediately
$ 1.34
Specifications
Voltage Rating - AC: 42V
Package / Case: Horizontal, 4 PC Pin
Height (Max): 0.315" (8.00mm)
Size / Dimension: 0.689" L x 0.689" W (17.50mm x 17.50mm)
Mounting Type: Through Hole
Features: --
Approvals: ENEC, UR, VDE
Ratings: --
Operating Temperature: -40°C ~ 125°C
Series: B82791
Voltage Rating - DC: 80V
DC Resistance (DCR) (Max): 440 mOhm (Typ)
Current Rating (Max): 700mA
Inductance @ Frequency: 4.7mH @ 10kHz
Number of Lines: 2
Filter Type: Power Line
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Common Mode Chokes are components used for suppressing different types of electrical interference. They are usually used to reduce the amount of electrical interference that occurs between two conductors or between two separate electrical circuits. The B82791G2701N001 device is an example of a Common Mode Choke. This article will discuss the application field and working principle of B82791G2701N001.

Application Field

Common Mode Chokes are widely used in various electrical applications. The B82791G2701N001 is a two-way common mode choke that is specifically designed for use in the data and telecommunications equipment. It is made up of two distributed air core coil inductors and can be used to reduce signal cross talk and other EMC disturbances (electromagnetic compatibility) in the transmission lines. The choke also provides protection from electrical surges and over-voltage. It is also effective at filtering noise and other signals that could interfere with signal transmission.

The B82791G2701N001 is suitable for use in ADSL (Asymmetric Digital Subscriber Line) and other xDSL applications. It is also suitable for industrial and automotive applications. The device is able to operate at temperatures ranging from -25 to +125°C and can handle signal frequencies up to 50MHz. It is also able to withstand up to 40V of RMS voltage and has a rating of 2A.

Working Principle

The working principle behind Common Mode Chokes is fairly simple. The choke consists of two distributed air core coils wound in opposite directions. The two coils are connected either directly or via a center tap. This arrangement results in the creation of a magnetic field which serves to trap any electrical interference between the two conductors or circuits. The trapped current is then diverted to the ground and dissipates, thus preventing any interference with the signal transmission.

In the case of the B82791G2701N001, the choke is designed to reduce the amount of common mode noise in the transmission line. The device works by trapping any common mode electromagnetic radiation and diverting it away from the line. This helps to reduce the amount of interference and consequently improve the signal transmission quality.

The B82791G2701N001 also helps to protect against any over-voltage or electrical surges. This is due to its PTC (Positive Temperature Coefficient) resistive element which serves to limit the current flowing through the line by increasing its resistance. As a result, any electrical surges or over-voltage are safely dissipated and the signal transmission is unaffected.

Conclusion

In conclusion, the B82791G2701N001 is a two-way common mode choke which is widely used in various applications ranging from telecommunications and industrial applications to automotive applications. The choke works by trapping any electrical interference between the two conductors or circuits and diverting it to ground. It is also effective at filtering out any noise or other signals that could interfere with the signal transmission. The device also helps to protect the line from over-voltage and electrical surges. Overall, the B82791G2701N001 is a highly effective and reliable device for suppressing Electrical Interference and providing EMC protection.

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

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