ELF-19N020A

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	1.083" (27.50mm)
Size / Dimension:	0.709" L x 1.083" W (18.00mm x 27.50mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	--
Series:	N
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	130 mOhm (Typ)
Current Rating (Max):	2A
Number of Lines:	2
Filter Type:	--
Part Status:	Obsolete
Packaging:	Bulk

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Common Mode ChokesCommon mode chokes are electronic components used to limit unwanted noise and interference in both power and signal applications. They have two terminals, one for a signal or power line and one for the common mode line. They are usually seen in many applications because of their low cost, high reliability, and simple design.The ELF-19N020A is an example of a common mode choke. It is a small, low cost, and easy to use device. It features a very low inductance of 16nH, which allows it to block common mode noise currents without generating additional noise and interference. It also has a low resistance of 0.75Ω, which makes it suitable for high-current signal or power sequences.The working principle of the ELF-19N020A is fairly simple. It works by forming a "passive inductor" or choke. In power and signal lines, a choke prevents the flow of certain frequencies of noise and interference. This is done by creating a magnetic field which prevents the signal from being mutated or distorted. In this way, the ELF-19N020A limits the level of common mode noise and interference without sacrificing the quality of the signal or power.In terms of applications, the ELF-19N020A is suitable for many applications. It can be used in power circuits such as voltage regulators, car stereos, and RF circuits. In addition, it can also be used in signal circuits such as DC motors, servo drives, and communications systems. It has a very high level of power handling capability.Moreover, the ELF-19N020A has several advantages when compared to other common mode chokes. It is smaller in size, with dimensions of 0.375" x 0.25" x 0.197", which makes it easier to install in a tight space environment. It also has a wide temperature range of -40°C to 105°C which makes it suitable for extreme temperature conditions. It is also highly reliable and robust, with a long life span.In conclusion, the ELF-19N020A common mode choke is a robust, reliable, and low cost electronic component. It is ideal for use in power and signal lines, as it is able to limit noise and interference without sacrificing the quality of the signal or power. Its small size and wide temperature range also make it suitable for a variety of applications.

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