B82796C2473N201

Voltage Rating - AC:	42V
Package / Case:	Horizontal, 8 PC Pin
Height (Max):	0.185" (4.70mm)
Size / Dimension:	0.362" L x 0.264" W (9.20mm x 6.70mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Series:	B82796
Voltage Rating - DC:	80V
DC Resistance (DCR) (Max):	150 mOhm (Typ)
Current Rating (Max):	150mA
Inductance @ Frequency:	47µH @ 100kHz
Number of Lines:	4
Filter Type:	Signal Line
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Common Mode Chokes: B82796C2473N201 Application Field and Working Principle

Common mode chokes are a type of filter typically used in switching power supplies, variable frequency drives, and servo machines to minimize or eliminate electromagnetic interference (EMI). Common mode chokes, also referred to as a differential common mode filter, are special types of transformers that provide a high impedance to a differential common mode signal while offering low impedance to the normal mode signals. The B82796C2473N201 common mode choke has a wide variety of application fields, such as servo motor applications, exchange power supply applications, as well as in direct current and alternating current drives. This particular choke is designed to meet a normal mode dV/dt of 1 V/ns, a differential dV/dt of 200 V/μs, and a differential common mode impedance of 3 Ohms at 300kHz.The working principle of the B82796C2473N201 common mode choke is simple yet effective. It consists of two separate windings – one for the normal mode signal and one for the differential common-mode signal – that are physically separated from each other. The two windings are then connected by a material with a high magnetic permeability, such as ferrite. This creates a magnetic flux that is coupled between the windings, which creates a high impedance to the common-mode signal. The B82796C2473N201 also incorporates special features, such as a high dV/dt capability, low profile, and low insertion loss. This makes it suitable for high-speed applications, such as in servo motor applications where dV/dt needs to be minimized. In addition, the low insertion loss prevents signal distortion and power losses that are normally associated with other types of common mode chokes.These features allow the B82796C2473N201 to be used in a variety of applications, including servo motor applications, exchange power supply applications, as well as in direct current and alternating current applications. Moreover, it offers excellent common-mode suppression performance, making it a suitable choice for minimizing electromagnetic interference (EMI) in switching power supplies, variable frequency drives, and servo machines. In conclusion, the B82796C2473N201 common mode choke offers outstanding common-mode suppression performance, making it an ideal choice for applications such as servo motor applications, exchange power supply applications, as well as direct current and alternating current applications. This particular choke is designed to meet a normal mode dV/dt of 1 V/ns, a differential dV/dt of 200 V/μs, and a differential common mode impedance of 3 Ohms at 300kHz. The features, such as its high dV/dt capability, low profile, and low insertion loss, make it suitable for high-speed applications, while its excellent common-mode suppression performance makes it a suitable choice for EMI reduction in switching power supplies, variable frequency drives, and servo machines.

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