DLW21HN181SQ2L Filters

Voltage Rating - DC:	50V
Package / Case:	Horizontal, 4 PC Pad
Height (Max):	0.039" (1.00mm)
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 ~ 85°C
Voltage Rating - AC:	--
Series:	DLW21
DC Resistance (DCR) (Max):	500 mOhm
Current Rating (Max):	250mA
Impedance @ Frequency:	180 Ohms @ 100MHz
Number of Lines:	2
Filter Type:	Signal Line
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Common Mode ChokesCommon Mode Chokes (CMCs) are used to suppress noise generated by high-frequency switching operations, as well as to filter out power supply noise. CMCs are also commonly used in power supply applications where high currents and inductive spikes are generated. The DLW21HN181SQ2L is a CMC that is designed for use in applications such as communication systems, industry safety lines, and industrial control boards.The DLW21HN181SQ2L is a high-current, low-profile CMC, which is designed for high-frequency switching, noise suppression, and current filtering. Its operating temperature range can handle up to 105℃ and the peak current rating is 18.1A. The part is also RoHS compliant and AEC-Q200 qualified.The DLW21HN181SQ2L CMC is a two-layer structure, which consists of the core and windings. The core consists of multiple layers of magnetic materials, such as ferrite, iron powder, and other compounds. The windings are made up of a variety of enameled copper wires that are insulated with a special coating to prevent short circuits and to withstand high-temperature operation.The primary role of the DLW21HN181SQ2L CMC is to reduce the level of the common mode noise generated by switching operation. The CMC works by suppressing the normal mode noise, then converting the normal mode noise into a differential mode noise. This noise is then removed by the CMC, leaving only the desired signals.The DLW21HN181SQ2L CMC is also used to prevent power supply fluctuations and reduce inductive spikes. Its magnetic fields act as a barrier that limits the frequency of power fluctuations and filters out common mode noise. The CMC also works as a filter to reduce the amount of power supply noise that reaches sensitive components.The DLW21HN181SQ2L CMC is a universal component that can be used in a wide variety of applications. It is used in communication systems, industry safety lines, and industrial control boards for high-frequency switching and noise suppression. Its peak current rating of 18.1A makes it suitable for high-current applications, while its low profile and RoHS compliance make it an ideal choice for PCB designs.In conclusion, the DLW21HN181SQ2L CMC is a low-profile, high-current CMC designed for automotive and industrial applications. It is a universal component that can be used in communication systems, industry safety lines, and industrial control boards to reduce noise generation and power supply noise. The CMC works by suppressing the common mode noise, converting it to a differential mode, and then filtering it out. Its high-current rating and low profile make it suitable for a variety of applications, and its RoHS compliance makes it an ideal choice for PCB designs.

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