ELF-21N016A

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	1.181" (30.00mm)
Size / Dimension:	0.787" L x 1.260" W (20.00mm x 32.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	--
Series:	N
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	212 mOhm (Typ)
Current Rating (Max):	1.6A
Number of Lines:	2
Filter Type:	--
Part Status:	Obsolete
Packaging:	Bulk

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Common Mode Chokes

Common mode chokes are a type of induction device widely used in electrical systems. They are used to protect sensitive electronic components from noise caused by magnetic fields. The ELF-21N016A is a type of common mode choke. This article will discuss the application area and working principle of this device.The ELF-21N016A is a high performance, high reliability, low EMI common mode choke. It is lightweight, low-cost and small size. This makes it suitable for applications such as medical equipment, energy management systems, lighting systems, automotive applications and industrial automation. The ELF-21N016A is especially suitable for applications which are exposed to highly varying ambient temperatures.The ELF-21N016A utilises two inductors which are connected in series and sandwiched between two capacitors. The inductors act as an EMF filter, providing protection to the circuits from various kinds of interference. The choke also provides good impedance control over a wide range of frequencies. The working principle of the ELF-21N016A is simple. Its two inductors act as a filter, blocking high frequency signals. The high frequency signals are converted into lower frequency signals, which do not interfere with the circuit. This ensures that the stability of the circuit is maintained. The choke also provides a high level of EMI immunity, preventing it from being affected by noise and other unwanted signals. The ELF-21N016A is a reliable and efficient device, making it suitable for a wide variety of applications. Its low cost and small size makes it ideal for use in compact systems. It is able to provide high levels of isolation and immunity from interference, making it ideal for use in noise sensitive areas. The choke also provides excellent impedance control, allowing for stable operation of the circuit. In summary, the ELF-21N016A is a high performance, high reliability, low EMI common mode choke. It is lightweight, low-cost and small size, making it suitable for applications in medical equipment, energy management systems, lighting systems, automotive applications and industrial automation. The choke is able to provide high levels of isolation and immunity from interference and also offers excellent impedance control.

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