B82789C513N1

Voltage Rating - DC:	80V
Package / Case:	Horizontal, 4 L-Lead
Height (Max):	0.118" (3.00mm)
Size / Dimension:	0.205" L x 0.126" W (5.20mm x 3.20mm)
Mounting Type:	Surface Mount
Features:	--
Approvals:	--
Ratings:	AEC-Q200
Operating Temperature:	-55°C ~ 125°C
Voltage Rating - AC:	42V
Series:	B82789
DC Resistance (DCR) (Max):	550 mOhm
Current Rating (Max):	250mA
Inductance @ Frequency:	51µH @ 100kHz
Number of Lines:	2
Filter Type:	Signal Line
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Common Mode Chokes are components found in electrical and electronic power systems, providing input and/or output filtering primarily to eliminate electromagnetic interference (EMI) between power line and sensitive circuits on the device side. B82789C513N1 is one type of common mode chokes, which is used for power line electrically connecting with motor and control circuits, providing protection against surge and inrush currents. This choke also provides power supply filtering and eliminates high-frequency noise, such as switching noise from the switching devices transmitted to the power line.

The basic working principle of B82789C513N1 is based on the magnetic field generated by the current carried by the power line. When the AC current flowing through the power line changes its direction periodically, the magnetic field generated by the current changes its direction also. The windings of the B82789C513N1 common mode choke has two or more strands of wire wound around a common core, and the core is then inserted into an electromagnetic shield. The magnetic field generated from the power line induces an electromotive force (EMF) in the wire winding, which causes a voltage difference between the two wire of the choke, thus limiting the transmission of EMI or noise from one side to the other.

The B82789C513N1 common mode chokes are mainly used in a variety of power electronics systems, such as Automotive, Industrial Outdoor, Motor Control, Solar Energy and Inverter application so as to meet the performance and reliability of the system. In Automotive applications, B82789C513N1 can be used to protecting the power supply against EMI transmitted from an engine compartment, which will interfere with the electronic control unit (ECU) and other systems. In industrial applications, the B82789C513N1 are used to filter the noise from the motor controllers or power supplies before it has the chance to spread to the rest of the system. In Solar Energy and Inverter application, the B82789C513N1 is used to filter noise from the power transmission line before it reaches the power inverters or controllers.

Apart from their application in eliminating EMI, B82789C513N1 also has the capability for energy saving. Due to the inductance of the choke, the inductive load in the circuit will reduce, thus resulting in the decreased power consumption of the system. In addition, B82789C513N1 are also designed to withstand harsh environmental conditions, such as extreme temperature, humidity, dusts, corrosives and Vibrations. This makes it suitable to be used in harsh environment such as automotive engines or industrial control systems, leading to a longer lifetime and reliability of the system.

In conclusion, B82789C513N1 common mode chokes are typically used in power electronics systems to protect the system from the harmful EMI, providing reliable performance and extended lifetime of the system. It is also efficient in energy saving as it is able to reduce the inductive load of the motor circuits. This makes it an ideal choice for EMI protection in a variety of applications.

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