51505C Allicdata Electronics
Allicdata Part #:

811-1256-ND

Manufacturer Part#:

51505C

Price: $ 1.91
Product Category:

Filters

Manufacturer: Murata Power Solutions Inc.
Short Description: COMMON MODE CHOKE 1.2A 2LN TH
More Detail: 2 Line Common Mode Choke Through Hole 1.2A DCR 19...
DataSheet: 51505C datasheet51505C Datasheet/PDF
Quantity: 760
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1 +: $ 1.73250
25 +: $ 1.68210
50 +: $ 1.46160
100 +: $ 1.39860
250 +: $ 1.36710
500 +: $ 1.35740
Stock 760Can Ship Immediately
$ 1.91
Specifications
Voltage Rating - DC: --
Package / Case: Vertical, 4 PC Pin
Height (Max): 0.945" (24.00mm)
Size / Dimension: 0.709" L x 0.394" W (18.00mm x 10.00mm)
Mounting Type: Through Hole
Features: --
Approvals: --
Ratings: --
Operating Temperature: -40°C ~ 125°C
Voltage Rating - AC: --
Series: 5100
DC Resistance (DCR) (Max): 197 mOhm
Current Rating (Max): 1.2A
Number of Lines: 2
Filter Type: Power Line
Moisture Sensitivity Level (MSL): --
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Tray 
Description

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Common Mode Chokes are widely used in many applications to suppress EMI noise in power and signal lines. The 51505C is a commonly used type of Common Mode Choke, and can be found in various applications including automotive, industrial, consumer, and telecommunications.This article will discuss the application field and working principle of the 51505C Common Mode Choke.

Application Field

The 51505C Common Mode Choke is a wideband choke that is frequently used in various applications to reduce EMI interference. It is designed to be especially effective in reducing the emission of conducted noise in differential signal lines such as between two PC boards or between a PC board and a connector.The choke can also be used for suppressing EMI in power lines. It is especially suitable in applications where the load current is not balanced between two phases due to the effects of the leakage inductance.In automotive applications, the choke is often used for reducing EMI from electric and hybrid vehicle systems. It is also used in consumer electronics such as PCs, TVs, stereos, and gaming consoles to reduce conducted EMI noise.

Working Principle

The 51505C Common Mode Choke consists of two windings in a symmetrical configuration. It works by reducing EMI noise in both the differential and common mode signals.The differential mode winding acts as an inductor and acts as an energy storage element. When EMI noise from a differential mode signal passes through the choke, the coil stores energy as a magnetic field. The energy stored in the field is dissipated as heat and the noise is attenuated before it can reach the circuitry.In the common mode configuration, the magnetic field created by the two windings will cancel out, reducing the magnitude of the noise passed through. The noise is reduced due to the opposing magnetic fields created by the two windings.

Conclusion

The 51505C Common Mode Choke is a widely used EMI noise suppression device in automotive, industrial, consumer, and telecommunications applications. It works by storing energy when EMI noise passes through the differential mode winding, and also reduces noise in the common mode configuration due to opposing magnetic fields created by the two windings.

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

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