B82731M2112A030

Series:	B82731
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Filter Type:	Power Line
Number of Lines:	2
Inductance @ Frequency:	10mH @ 10kHz
Current Rating (Max):	1.1A
DC Resistance (DCR) (Max):	400 mOhm (Typ)
Voltage Rating - DC:	--
Voltage Rating - AC:	250V
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Approvals:	ENEC, UR, VDE
Features:	--
Mounting Type:	Through Hole
Size / Dimension:	0.827" L x 0.591" W (21.00mm x 15.00mm)
Height (Max):	0.807" (20.50mm)
Package / Case:	Vertical, 4 PC Pin

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Common Mode Chokes are found in a wide variety of applications, including the B82731M2112A030. These chokes generally operate in the same manner regardless of the application they’re used in, and they’re used primarily for motor control, power conditioning, and power protection. This article will discuss both the application field and working principle of the B82731M2112A030. The application field for the B82731M2112A030 is usually motor control and power conditioning in the middle- to high-voltage range. It can be used as an EMI filter in electric device applications, such as air conditioners, fans, pumps, and lighting fixtures. It can also be used in PLCs, inverters, and power supplies to reduce power surges and ensure the stability of the system. In addition, its application field includes the protection of semiconductors when unbalanced loads occur. The B82731M2112A030 is a Common Mode Choke which works differently depending on the circuit in which it’s installed. When it’s placed on a single-phase input circuit, the energy that enters this type of choke is converted to a higher frequency by a core that vibrates at that frequency. This vibrating energy is then transferred to the output side, where it’s filtered and rectified to convert it back into the original frequency. On a three-phase input circuit, the Common Mode choke works similarly, but the output side is rectified and filtered further so that the current is balanced in both directions. The B82731M2112A030 Common Mode Choke also has some other characteristics. Its attenuation curve is higher at high frequencies while its attenuation at lower frequencies remains relatively low. This means that it can effectively reduce EMI from high-frequency sources while still allowing for a certain amount of low-frequency noise to pass through. The working principle of the B82731M2112A030 is based on electromagnetic induction and the electromagnetic shielding effect. The core of the choke has many layers of insulated windings which create a magnetic flux that helps to shield the noise generated by the electric motor. The flux is also used to induce current in the windings, creating a driving force for the motor. The above description provides an overview of the application field and working principle of the B82731M2112A030 Common Mode Choke. It is a highly versatile and effective tool for motor control, power conditioning, and power protection, and it is important to understand its features and characteristics in order to properly utilize it in any given application.

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