ELF-18D270A

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	0.787" (20.00mm)
Size / Dimension:	0.787" L x 0.827" W (20.00mm x 21.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	--
Series:	H
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	571 mOhm (Typ)
Current Rating (Max):	700mA
Number of Lines:	2
Filter Type:	--
Part Status:	Obsolete
Packaging:	Bulk

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Common Mode Chokes

Common Mode Chokes (CMCs) are electrical components which are designed to block noise caused by the interaction between two signals, while allowing the signals to pass through in the opposite direction. They are commonly used in a wide range of applications, including communications systems, power line circuits, motor drives, and industrial control systems. One popular type of CMC is the ELF-18D270A. This article will discuss the application field and working principle of the ELF-18D270A.The ELF-18D270A is a very popular type of CMC, and it is used in a variety of different applications. It can be found in audio and video equipment, communications devices, motor drives, power supplies, and industrial control systems. It is particularly effective in suppressing common mode noise caused by the interaction of two separate signal lines.The working principle of the ELF-18D270A is based on its ability to block the interference commonly caused by the flowing current of two signals. The CMC consists of two strands of wire wound around an insulation-filled core. This core acts as the CMC’s primary inductor, and it is designed to resist the flow of current in one direction, while allowing the current to flow unimpeded in the opposite direction. In this way, the two strands of wire act as an electrical filter, blocking the interference caused by the two signals, while still allowing them to pass through in the opposite direction.In addition to its use as a filter for common mode noise, the ELF-18D270A is also capable of regulating the voltage and current of the two signals. This can be done by adjusting the number of turns in the wire winding, which will change the inductance of the CMC. This feature makes the ELF-18D270A an ideal fit for a variety of applications, as it is able to provide both filtering and voltage/current control.Overall, the ELF-18D270A is an excellent choice for a wide variety of applications. Its unique design enables it to provide both noise suppression and voltage/current regulation, and it is rugged and reliable enough to withstand harsh industrial environments. As such, the ELF-18D270A remains a popular choice for controlling noise in industrial and consumer electronics applications.

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