CM6149-225

Voltage Rating - AC:	--
Package / Case:	Horizontal, 4 PC Pad
Height (Max):	0.210" (5.33mm)
Size / Dimension:	0.285" L x 0.285" W (7.24mm x 7.24mm)
Mounting Type:	Surface Mount
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-55°C ~ 105°C
Series:	CM6149
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	750 mOhm
Current Rating (Max):	180mA
Inductance @ Frequency:	2.2mH @ 10kHz
Number of Lines:	2
Filter Type:	--
Part Status:	Active
Packaging:	Bulk

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Common Mode Chokes

Common mode chokes are devices which help to reduce the amount of electromagnetic interference (EMI) that common mode currents can cause in electrical systems. The CM6149-225 is a common mode choke designed to filter out unwanted noise in the cable connection between a noise source and the sensitive signal wires. It can also be used as a high-frequency isolation device for power lines.

CM6149-225 Application Field

The CM6149-225 is designed for use in DC power systems, telecommunications systems, and other applications where common mode noise needs to be filtered. It can be used between power supplies and other electrical components to better isolate them, and to reduce the risk of common mode noise. In addition to its noise reducing capabilities, the CM6149-225 also provides isolation for the signal lines from the power lines in order to avoid interference.

CM6149-225 Working Principle

The CM6149-225 works by creating an impedance to common mode noise. Common mode noise is caused by any signal which is carried on two wires in the same direction, which can create interference on other signals nearby. The CM6149-225 has two coils wound around a common core which is designed to produce an electromagnetic field which resists common mode noise. When the common mode noise encounters the CM6149-225, the electromagnetic field of the core causes the voltage to drop, thereby reducing the amount of noise which is sent on the line.The CM6149-225 can also be used to reduce the amount of conducted noise entering a system from another system. This is achieved by using one of the coils in the device to absorb the noise from the first system and then dissipating it back into the environment, thus blocking the interference from entering the second system.

Conclusion

The CM6149-225 is a useful common mode choke designed to reduce electromagnetic interference caused by common mode noise. It is designed for use in DC power systems, telecommunications systems, and other applications where common mode noise needs to be filtered, and provides isolation for the signal lines and power lines. The CM6149-225 works by creating an impedance to common mode noise which is caused by signals which are travelling on two lines in the same direction, thereby reducing the amount of noise which is transmitted on the line. It can also be used to reduce the amount of noise which is entering a system from another system, by absorbing and dissipating the noise back to the environment.

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