CM9900R-186

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	0.669" (17.00mm)
Size / Dimension:	0.839" L x 0.740" W (21.30mm x 18.80mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Series:	CM9900R
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	2.45 Ohm
Current Rating (Max):	270mA
Inductance @ Frequency:	18mH @ 1kHz
Number of Lines:	2
Filter Type:	--
Part Status:	Active
Packaging:	Bulk

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Common Mode ChokesCommon Mode Choke (CMChoke) is a device used in electrical systems to reduce the amount of conducted (high frequency) electromagnetic energy from other components in the system. It works by introducing an impedance in the power supply line to weaken the conducted emissions. These devices are used in industries such as automotive, military and aerospace to reduce unwanted electromagnetic interference (EMI) in order to meet applicable industry standards. The CM9900R-186 by MagnaChip Semiconductor is a robust common mode choke specifically designed for EMI reduction, which offers excellent shielding effectiveness.The CM9900R-186 consists of an integrated common mode filter with a shielded enclosure. The filter consists of a triple-insulated wire-wound impedance with multilayered magnetic shielding. Its low-profile winding design ensures the best shielding and its low DCR provides low loss. The choke is designed for robustness and immune from environmental variations such as temperature variations, humidity, vibration, etc. It is embedded in a dielectric material with superior electrical characteristics providing reliable operation for many years.The CM9900R-186 can be used in several application fields, including consumer electronics, power supplies, motor control, robots, and antennas, among others. It is an ideal solution for applications requiring robustness and EMI suppression.The working principle of the CM9900R-186 is based on the filtering of the high-frequency differential-mode noise generated in a circuit, such as EMC noise emitted by motors, power supplies, and other noise sources. The filter consists of two differential Mode (DM) inductors connected in a series. In addition, it has a common Mode (CM) inductor to provide balanced suppression of differential-mode noise. The DM inductors prevent high-frequency noise on the two supply lines from entering the circuit, while the CM inductor prevents the same type of noise from entering the electrical system.The CM9900R-186\'s high shielding effectiveness is mainly due to its multiple shielding layers, the dielectric material, and the triple-insulated windings. Its low DCR ensures low signal attenuation and low power loss in the high frequency band. Moreover, its low profile design ensures maximum shielding of the devices and cables surrounding it, and its robustness ensures long-term reliable operation.The CM9900R-186\'s combination of mechanical and electrical characteristics makes it a good choice for EMI suppression in a wide variety of applications. It is a cost-effective solution that can reduce design and development time significantly. Its superior performance, reliability, and robustness make the CM9900R-186 an excellent choice for EMI suppression.

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