B82791H2901N020

Series:	B82791
Packaging:	Box
Part Status:	Active
Filter Type:	Power Line
Number of Lines:	2
Inductance @ Frequency:	4.7mH @ 10kHz
Current Rating (Max):	900mA
DC Resistance (DCR) (Max):	250 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
Package / Case:	Vertical, 4 PC Pin

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<p>Common Mode Chokes, also known as line filters, are a form of electromagnetic interference (EMI) suppression that blocks unwanted high frequency electromagnetic noise coming from switching power supplies, motors, relays, and other electronic products. The B82791H2901N020 is an example of such a device, and is especially suited for applications in the automotive and industrial sectors.</p><p>The B82791H2901N020 is a three-pole common-mode choke that is rated for a current of up to 20A at DC voltages of up to 50V. It has two isolation capacitors that effectively reduce electromagnetic interference (EMI) emissions up to 1GHz. The device also has a ferrite core that ensures a low-inductance power supply to reduce signal attenuation.</p><p>In terms of application, the B82791H2901N020 is particularly suitable for applications that require robust EMI suppression and electrical noise blocking. These applications are usually found in the automotive and industrial sectors, such as in Industrial Control, Automated Test, Automotive Body and Chassis, Lighting and Information Display systems.</p><p>The working principle of the B82791H2901N020 is fairly straightforward. It consists of two coils that are connected in series, or two symmetrical coils which are connected in parallel. The two coils are wound in such a way to create a continuous path for the electric current to flow and evenly distribute the current. This reduces the unwanted high frequency electromagnetic noise that is created by switching power supplies, motors, relays and other electronic products.</p><p>The B82791H2901N020 is also equipped with an insulation material which is effective in blocking EMI emanating from outside sources. This is helpful in applications that require a great degree of immunity from external interference. In addition, the insulation material also reduces the amount of electrical crosstalk which can occur in certain situations.</p><p>In conclusion, the B82791H2901N020 is a three-pole common-mode choke that is suitable for applications in the automotive and industrial sectors. It effectively reduces electrical noise coming from electronic components and offers protection from external EMI sources. The device is also equipped with an insulation material that provides both EMI blocking properties and crosstalk suppression. By using this device, manufacturers can create a safe and reliable product that performs flawlessly.</p>

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