DSH-31-0002

Series:	DSH
Packaging:	Bulk
Part Status:	Active
Filter Type:	--
Number of Lines:	1
Current Rating (Max):	2A
DC Resistance (DCR) (Max):	140 mOhm
Voltage Rating - DC:	600V
Voltage Rating - AC:	--
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Approvals:	--
Features:	--
Mounting Type:	Through Hole
Size / Dimension:	1.240" L x 0.728" W (31.50mm x 18.50mm)
Package / Case:	Radial - 4 Leads

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Common Mode Chokes: DSH-31-0002 Field of Application and Working Principle

Common Mode Chokes (CMC) are an important component in switching-mode power supplies, electronic motor drives, and other applications. Capable of suppressing common-mode interference, they are typically used in pairs to ensure an asymmetric mode of operation, allowing them to achieve enhanced performance. DSH-31-0002 is a CMC series produced by LITE-ON specifically designed for enhanced performance in a variety of applications, such as noise suppression in various industrial and automotive electronic circuits and EMI/EMC. Manufactured under strict quality control techniques, its excellent characteristics enable it to achieve a high-performance common mode filtration even in complicated power environments. The working principle of the DSH-31-0002 CMC is based on electromagnetic coupling. This type of choke is designed with two wire coils wrapped around a ferrite core, a material with high magnetic permeability. In order to enhance this permeability, the core is enclosed in a ferrite sleeve. It operates on the principle of induction and is able to selectively among the common and differential-mode signals. The CMC suppresses the common-mode noise by blocking the current flowing between the two windings and instead creates a flux in the ferrite core, thus blocking the noise. The DSH-31-0002 CMC features a wide frequency range up to 1.5 GHz, enabling it to handle a wide range of common-mode noise. Moreover, it is designed to provide a low current leakage, ensuring that no interference is leaked out to the outside world. It also has a high inductance per turn, allowing it to provide a large, effective inductance for a minimal footprint. In addition, the CMC has a high impedance for differential-mode signals as well as common-mode signals, enabling it to effectively suppress EMI. Finally, the DSH-31-0002 CMC can operate in temperatures ranging from -40°C to +125°C, making it suitable for use in a wide range of temperatures. In addition, the CMC can handle high current levels, enabling it to effectively suppress high-frequency interference. In conclusion, the DSH-31-0002 CMC is an effective solution for reducing common-mode noise and improving EMI/EMC performance. Boasting a wide frequency range, high current capability, and low-noise leakage, it is an ideal choice for a variety of industrial and automotive applications where high-performing EMI/EMC and noise-suppression capabilities are required.

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