CM9900R-184

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):	38 mOhm
Current Rating (Max):	2.2A
Inductance @ Frequency:	180µH @ 1kHz
Number of Lines:	2
Filter Type:	--
Part Status:	Active
Packaging:	Bulk

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Common Mode ChokesCommon Mode Chokes are essential components used to control current and prevent interference for industrial and consumer electrical equipment. The CM9900R-184 is a common mode choke product manufactured by Murata Electronics, a Japanese electronics and electric components manufacturer. This product, which is classified as an EMI filter, is a high current device designed to have extremely low leakage.This product is a one-size-fits-all common mode choke composed of a three-phase construction. Its core operates in a balanced configuration, with two loops core that are able to construct a balanced 3-phase circuit. The CM9900R184 has a higher switching capacity compared to other common mode choke products, enabling it to handle up to 184 amperes with a rated current of 60 amperes. The device has an effective cross sectional area of 130 square millimetres, and its handling capacity is comparable to that of a German Würth Elektronik EVOX Rifa.The CM9900R-184’s working principle is simple yet effective. It features a unique self-balancing mechanism that helps to keep the current balance and reduce common mode noise emission. When current is applied to the core, the two loops enter into a gyrating field of alternating current from the power line, creating a magnetic field perpendicular to the current lines of the two windings. This mechanism not only prevents interference from entering the equipment, but also helps to reduce noise emission.The CM9900R-184’s application field is mainly found in areas such as power conversion, uninterruptable power supplies and low-voltage switching. It can effectively reduce power line interference for any electronic device powered by AC mains voltage. This common mode choke also has the ability to suppress unwanted signals, helping to shield the system from electrical and radio interference. Additionally, this product can also be used in combination with other inductive components to create a multi-stage EMI filter network.In conclusion, the CM9900R-184, manufactured by Murata Electronics, is a simple yet effective common mode choke product designed to control current and reduce electrical interference for a variety of applications. The device’s balanced three-phase construction, high current switching capacity, and unique self-balancing mechanism make it a highly reliable product for industrial and consumer electrical equipment.

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