CMJ-2-102 Allicdata Electronics
Allicdata Part #:

1295-1153-2-ND

Manufacturer Part#:

CMJ-2-102

Price: $ 0.97
Product Category:

Filters

Manufacturer: Talema Group LLC
Short Description: CMC 1MH 500MA 2LN SMD
More Detail: 1mH @ 100kHz 2 Line Common Mode Choke Surface Moun...
DataSheet: CMJ-2-102 datasheetCMJ-2-102 Datasheet/PDF
Quantity: 1000
5000 +: $ 0.87696
Stock 1000Can Ship Immediately
$ 0.97
Specifications
Voltage Rating - AC: --
Package / Case: Horizontal, 4 Flat Lead
Height (Max): 0.179" (4.55mm)
Size / Dimension: 0.299" L x 0.228" W (7.60mm x 5.80mm)
Mounting Type: Surface Mount
Features: --
Approvals: --
Ratings: --
Operating Temperature: 0°C ~ 70°C
Series: CMJ
Voltage Rating - DC: --
DC Resistance (DCR) (Max): 250 mOhm
Current Rating (Max): 500mA
Inductance @ Frequency: 1mH @ 100kHz
Number of Lines: 2
Filter Type: Signal Line
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Common Mode Chokes

Common mode chokes (CM chokes) are an essential element of electrical systems requiring ripple control. These chokes suppress high-frequency interference from entering the protected electrical system, helping maintain the system’s integrity. CMJ-2-102 is a specific type of common mode choke, which is designed to fit into a wide variety of applications.

CMJ-2-102 Application Field

The CMJ-2-102 common mode choke is a passive device primarily used in the control of electromagnetic interference (EMI). The most common application of these chokes is as a filter component in power generation and distribution systems. They are also used in power line communication systems, for suppressing noise from random pulse signals, switching mode power supplies, and other sensitive industrial equipment.

CMJ-2-102 Working Principle

The CMJ-2-102 works on the principle of Mutual Inductance. In an electromagnetic circuit, the magnetic field created by one wire will be coupled with the magnetic field of another wire. When two wires are wrapped around a common core, the effect is then magnified and allows for the transfer of energy from one wire to the other, creating an induced current. The CMJ-2-102 uses this phenomenon to suppress common mode currents, which are unwanted current leaks between two separate circuits. The choke is designed with two windings of insulated copper wire wound around a magnetic core. As the common mode current runs through the windings, the induced current is generated and effectively limits the amount of common mode current that can flow. This induced current then provides a path to ground for the common mode current, suppressing the interference in the system.

Conclusion

Common mode chokes are an essential component of electrical systems, used in power generation, power line communication, and for suppressing noise from random pulse signals in sensitive equipment. CMJ-2-102 is a specific type of common mode choke which works on the principle of Mutual Inductance. The two windings of insulated copper wire around a magnetic core create an induced current, which effectively limits the amount of common mode current that can flow, suppressing the interference.

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

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