CMS1-12-R Filters

Series:	CMS
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Filter Type:	Power Line
Number of Lines:	2
Inductance @ Frequency:	131µH @ 100kHz
Current Rating (Max):	1.15A
DC Resistance (DCR) (Max):	100 mOhm (Typ)
Voltage Rating - DC:	--
Voltage Rating - AC:	--
Operating Temperature:	-40°C ~ 160°C
Ratings:	--
Approvals:	--
Features:	--
Mounting Type:	Surface Mount
Size / Dimension:	0.370" L x 0.283" W (9.40mm x 7.20mm)
Height (Max):	0.102" (2.60mm)
Package / Case:	Horizontal, 4 PC Pad

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Common Mode Chokes

Common mode chokes (CMCs) are widely used in the power industry to suppress common-mode noise on DC power lines. They are primarily used to protect electronic devices such as computers, modems, and other sensitive electronic equipment from high frequency noise generated from the power system. This type of noise can come from lightning strikes, conducted harmonic and electromagnetic noise, or power quality disturbances from industrial processes. The CMC is designed to attenuate or reject any common-mode noise on the DC power line, typically up to frequencies of several hundred kHz, depending on the application and design.CMS1-12-R is a type of common mode choke with a wide range of applications. The CMS1-12-R is a current-compensated common mode choke, which has a wide usage range in a variety of applications. It is suitable for use in power supply and DC power lines, where it is designed to provide noise suppression up to frequencies of 500 KHz or more. The CMS1-12-R is an ideal solution for the protection of electronic equipment and sensitive components from EMI (electromagnetic interference).The CMS1-12-R has an efficient design with a total of four ferrite cores, three of which are used as the common-mode EMI filter and the fourth is used for current compensation. The common-mode EMI filter of the CMS1-12-R provides an effective suppression of common-mode noise up to 500 KHz, and it also has a symmetrical structure which provides an excellent common-mode noise suppression efficiency. The fourth core is used for current compensation, which ensures an optimum level of filter performance.The working principle of the CMS1-12-R involves a combination of inductive and capacitive properties of the ferrite cores used. When the current passes through the cores, the inductance of the cores will create a magnetic field, which in turn will create a counter-electromotive force (EMF). This can be used to counter the EMI generated by the power system, thereby ensuring that sensitive electronic components and devices are kept free from interference. In addition, the CMS1-12-R provides a low resistance between the supplied power lines, which eliminates the need for additional resistors to control the system current.The CMS1-12-R can be used in a variety of applications, such as in power supplies, DC motors, inverters, switching power supplies and chargers. It can be used in industrial, medical, information, and communications applications, providing a cost effective and reliable EMI filter solution. The CMS 1-12-R is also designed to be compatible with other shielding devices, providing a compact and cost effective solution.In summary, the CMS1-12-R provides an effective way to suppress common-mode noise on DC power lines. It is an efficient and reliable solution for EMI, and is suitable for a wide range of applications. The design of the CMS1-12-R also ensures low resistance between power supplies, eliminating the need for additional resistors. This makes the filter an ideal choice for the protection of sensitive electronic components and devices from EMI.

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