MCZ2010CH900L4TA0G

Voltage Rating - AC:	--
Package / Case:	0804 (2010 Metric), 8 Lead
Height (Max):	0.024" (0.60mm)
Size / Dimension:	0.079" L x 0.039" W (2.00mm x 1.00mm)
Mounting Type:	Surface Mount
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Series:	MCZ-CH
Voltage Rating - DC:	5V
DC Resistance (DCR) (Max):	3 Ohm
Current Rating (Max):	100mA
Impedance @ Frequency:	90 Ohms @ 100MHz
Number of Lines:	4
Filter Type:	Signal Line
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Common Mode ChokesCommon mode chokes are a form of electrical power filter used mainly in the power electronics industry to reduce the amount of high frequency noise on a power line, allowing mostly the pure AC waveform to pass. They are also used in signal lines to reduce crosstalk from other lines. Common mode chokes (also known as common mode filters) consist of one or more toroidal or spool-shaped coils of wire that surrounds a central core. The core material can either be made of ferromagnetic material or a combination of ferromagnetic and non-ferromagnetic materials with high permeability and low losses.The MCZ2010CH900L4TA0G is a specific common mode choke that is used mainly in power electronics applications. It has a rated current of 2A and a maximum impedance of 900 ohms at 100 kHz. It also has a maximum ripple current rating of 4A RMS. The choke has an insulation rating of B (class F) and an insulation resistance of 1000M ohms. The application field of a common mode choke starts from a simple line filter to industrial drive applications. In industrial applications, such as AC-DC or DC-DC converters, common mode chokes are used to reduce common mode noise in the connection between the power-line side and the ground side. Common mode is a term used to describe a type of noise in which the noise voltage and current are of the same phase and same magnitude of the signal line voltage and current. A common mode choke functions by providing a much higher impedance to the common-mode initial noise than it provides to the differential-mode end signal. As the signal frequency notches up, the choke’s inductance will start to form a low pass filter, attenuating higher frequency noise. This reduces the noise voltage or current and thus suppresses the interference on the ground/equipment. The working principle of a common mode choke is simple. The choke utilizes the inductance of the wire coil to inductively couple the noise and produce opposing voltage across the terminals. The filter then grounds the noise as the current passes through the gate to the ground. The noise is thus effectively attenuated. Common mode chokes are generally used in applications where high frequencies make up a major part of the signal. This is because of the low pass filtering characteristics of the choke which are not suitable for most low frequency signals. It is therefore important to make sure that the choke is properly tuned to the specific signal frequency of the application.

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