SRF2012-181YA Filters

Voltage Rating - DC:	50V
Package / Case:	Horizontal, 4 PC Pad
Height (Max):	0.055" (1.40mm)
Size / Dimension:	0.079" L x 0.047" W (2.00mm x 1.20mm)
Mounting Type:	Surface Mount
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Voltage Rating - AC:	--
Series:	SRF2012A
DC Resistance (DCR) (Max):	350 mOhm
Current Rating (Max):	350mA
Impedance @ Frequency:	180 Ohms @ 100MHz
Number of Lines:	2
Filter Type:	--
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Common Mode Chokes

Common mode chokes, also known as CMCs, are a unique type of electrical device used to reduce the effects of stray electromagnetic radiation and crosstalk in various applications. Common mode chokes are passive transmission line components that filter out common mode noise from two wire systems. Most notably, common mode chokes are used for their high frequency noise reduction capabilities and are widely applied to virtually all types of electronic and electrical systems, including those found in the automotive, aerospace, and consumer electronics industries.The SRF2012-181YA application field and working principle is as follows. This common mode choke is a great option for a range of applications, particularly those in industrial and telecommunications settings. It boasts a wide range of frequency ranges (from 8mHz to 1GHz) and can be used to provide EMI filtering against both common mode and differential mode currents. It is also highly abrasion resistant and offers excellent thermal stability. Additionally, it has a great current rating (200mA) and can be used to reduce both DC current and AC ripple.At a basic level, the SRF2012-181YA common mode choke works by blocking any common mode current and passing signal currents through its two windings. Its two windings are separated by an end-of-line capacitor, which allows it to act as a low-impedance path for the signal current and a high-impedance path for the common mode current. As the common mode current flows to the device\'s two windings, the magnetic field generated creates a disruption that essentially blocks the common mode current from continuing onto the load.The SRF2012-181YA provides effective attenuation of common-mode and differential-mode noise, even in higher frequency ranges. This makes it an ideal solution for low-noise environments, such as telecommunications and industrial operations. Additionally, its double winding configuration helps reduce crosstalk in environments where space is a factor, making it a great choice for applications where noise reduction is critical but minimal space is available.Another benefit of the SRF2012-181YA common mode choke is its robust design. It is designed with a low inductance and features an additional shielding layer that helps reduce the amount of noise that it generates. This shielding layer is formed in between the two windings, which provides the device with additional protection from external noise sources.Overall, the SRF2012-181YA common mode choke is a great option for a wide range of applications where noise reduction is critical. Its wide range of frequency ranges and robust design make it an ideal solution for a variety of settings. It is highly abrasion resistant and offers excellent thermal stability, as well as a great current rating. Additionally, its double winding configuration helps reduce crosstalk in any space-sensitive environments.

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