DLW21SN501SK2L

Series:	DLW21
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Filter Type:	Signal Line
Number of Lines:	2
Impedance @ Frequency:	500 Ohms @ 100MHz
Current Rating (Max):	250mA
DC Resistance (DCR) (Max):	500 mOhm
Voltage Rating - DC:	50V
Voltage Rating - AC:	--
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Approvals:	--
Features:	--
Mounting Type:	Surface Mount
Size / Dimension:	0.079" L x 0.047" W (2.00mm x 1.20mm)
Height (Max):	0.055" (1.40mm)
Package / Case:	Horizontal, 4 PC Pad

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Introduction

Common Mode Chokes (CMCs) are components used in controlling radio frequency (RF) interference and noise. In particular, CMCs can reduce interference caused by electromagnetic radiation from power lines, inductive loads, and spark gaps. CMCs may also reduce interference due to corona discharge, a phenomenon in which an electric current leaks into the environment due to electrostatic forces.

DLW21SN501SK2L Application Field and Working Principle:

The DLW21SN501SK2L is a type of CMC designed specifically for power line applications. Its primary function is to provide an impedance between the line and the load, reducing or eliminating the interference generated by the power line. Additionally, the CMC can reduce any common-mode noise created by the load, and also reduce the mutual inductive coupling between the lines.The DLW21SN501SK2L features two internal windings, which are both magnetically shielded and each wound into a toroid. The windings are made of copper wire insulated with a polyester film. The core is ferrite with a high permeability, allowing for lower DC resistance and less noise.The design of this CMC enables it to provide a high-impedance barrier between the line and the load. This inhibits any electrical noise or interference from being transmitted into the load, as well as preventing any noise generated by the load from being transmitted into the power line.Additionally, the DLW21SN501SK2L is designed to reduce mutual inductive coupling between the lines, by providing a high impedance shunt between the two lines. This helps to reduce the noise generated by the inductive loads as well as preventing any static sparks generated by the lines from interfering with other equipment.Finally, the CMC also helps to prevent harmonic distortion from occurring by reducing the presence of common-mode interference. This prevents the power line from distorting the input signal, and ensures that the signal is transmitted cleanly.

Conclusion

The DLW21SN501SK2L is a type of Common Mode Choke designed for power line applications. It is capable of providing a high-impedance barrier between the line and the load, reducing or eliminating any interference generated due to electromagnetic radiation. Additionally, the CMC helps to reduce the mutual inductive coupling between the lines, reduce any common-mode noise created by the load, and prevent harmonic distortion. These features make the DLW21SN501SK2L an ideal choice for controlling interference and noise in power line applications.

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