CMS3-12-R

Voltage Rating - AC:	--
Package / Case:	Horizontal, 4 PC Pad
Height (Max):	0.236" (6.00mm)
Size / Dimension:	0.550" L x 0.550" W (13.97mm x 13.97mm)
Mounting Type:	Surface Mount
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-40°C ~ 160°C
Series:	CMS
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	145 mOhm (Typ)
Current Rating (Max):	1.05A
Inductance @ Frequency:	790µH @ 100kHz
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Common Mode Chokes are used for noise suppression and power line interference reduction of high-frequency signal lines. It is a good solution for problems caused by interference in the power supply, signal transmission cable and power line communication.

CMS3-12-R is a common mode choke, which is made up with ferrite core and multiple windings. It is placed in the circuit in such a way that the common mode signal can be cut off. It is especially suitable for power line commutation and noise suppression of the products related to power line communication.

Application field

CMS3-12-R has been widely used in various fields. It is mainly used in power line communication products, and is used to suppress common mode noise in the power line communication system. It can also reduce external interference of high frequency signal and improve system stability. It can be used in the communication products, such as smart meters, automotive, signal line isolation, PLC communication and military communication.CMS3-12-R can also be used for power line signals filtering. The power line signal EMI filter is designed to reduce the unwanted noise emission from the power line and protect the product from external electromagnetic interference. It can also be applied to the power supply interface of X-ray machines, computer and monitoring systems.

Working Principle

The working principle of CMS3-12-R is based on EMI protection. The choke has a tungsten wire wound on a ferrite core, which forms an inductor. In this way, it will filter out the high frequency common mode signal and reduce the power line noise.The ferrite core is made of magnetic material. The ferrite core will magnetize and demagnetize under the action of a high frequency signal, which will create a strong magnetic field. This will produce an inductance effect and at the same time increase the impedance of the choke. As a result, the choke can effectively absorb the current caused by the EMI, thereby protecting the system from interference.In addition, the wire wound on the ferrite core is insulated by the packaging material, which can reduce the common mode noise to a large extent and make the signal transmission more stable.CMS3-12-R is an ideal product for power line communication products, and is safe and reliable. It can effectively filter out common mode noise and external interference, thus improving the quality of the power line signal transmission.

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