ELF-21V022A

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	1.398" (35.50mm)
Size / Dimension:	1.142" L x 0.827" W (29.00mm x 21.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	--
Series:	V
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	111 mOhm (Typ)
Current Rating (Max):	2.2A
Number of Lines:	2
Filter Type:	--
Part Status:	Obsolete
Packaging:	Bulk

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Common Mode Chokes

Common mode chokes, also known as common mode filters, are components designed to eliminate or reduce common mode noise in electronic systems. Common mode noise is generated when two or more circuits are electrically connected together and has the potential to cause interference in the output signal. Common mode chokes are most often used in motor applications, power supplies, and audio equipment to reduce EMI (electromagnetic interference) or pick-up of unwanted frequencies. This article will discuss the ELF-21V022A model common mode choke and its application field and working principle. The ELF-21V022A is a high-power common mode choke designed for use in power/audio systems. The choke operates over a peak current of 5.6A and a rated voltage of 630V, with an operating temperature range of -40 to +105℃. It has a maximum impedance of 55ohm and a frequency range of 50Hz-400kHz. The product also passes the high-frequency and parasitic pulse load test standards defined by IEC 257-3.1.The ELF-21V022A uses ferrite cores to generate a magnetic field. This magnetic field creates an opposing force to the electromagnetic field generated by current passing through the conductors. This opposing force helps reduce or eliminate the common mode noise caused by interference between two circuits interconnected. The ELF-21V022A can be used in a variety of applications. Many motor applications rely on common mode chokes to reduce the pickup of unwanted frequencies and reduce EMI. Common mode chokes are also widely used in power supplies to regulate the voltage and current distribution between circuits. Additionally, audio equipment often utilizes common mode chokes to reduce hum and improve signal clarity.The ELF-21V022A can also be used to protect data lines. Common mode chokes are highly effective at suppressing the interference of unwanted radiations, which can drastically improve the data transmission reliability of the system.In conclusion, the ELF-21V022A common mode choke is a versatile, reliable, and cost-effective component for eliminating or reducing common mode noise in electronic systems. It can be used in a variety of applications, including motor applications, power supplies, audio equipment, and data lines. Its high performance, wide frequency range, and temperature range make it a smart choice for reducing EMI and improving signal clarity.

The specific data is subject to PDF, and the above content is for reference