CME2425-8

Voltage Rating - AC:	250V
Package / Case:	Vertical, 4 PC Pin
Height (Max):	1.075" (27.31mm)
Size / Dimension:	1.050" L x 1.050" W (26.67mm x 26.67mm)
Mounting Type:	Through Hole
Features:	ESD
Approvals:	--
Ratings:	--
Operating Temperature:	--
Series:	CME
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	1.26 Ohm
Current Rating (Max):	500mA
Inductance @ Frequency:	40.5mH @ 10kHz
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Active
Packaging:	Bulk

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Common Mode ChokesCommon mode chokes, also known as EMI filters and CM chokes, are inductive components that help protect equipment from EMI (Electromagnetic Interference) and RFI (Radio Frequency Interference). Common mode chokes can be used in a variety of applications, but their most important role is in providing reliable and effective EMI/RFI filtering. The CME2425-8 common mode choke is an example of a high performance EMI/RFI filter.CME2425-8 Application Field and Working PrincipleThe CME2425-8 is designed for use in DC applications such as computer motherboards, medical equipment, power supplies, and telecommunications equipment. It provides effective filtering and EMI suppression, reducing oscillations, and thereby increasing the stability and performance of the system.The CME2425-8 is a high power common mode choke with dual winding. It consists of two windings which are connected in series. Each winding consists of four layers of copper wire wound around a ferrite core. The copper wire of each winding has a rectangular cross section, which gives it excellent mechanical properties and electrical performance. The two windings are connected in series, and the total inductance of the CME2425-8 is 8 mH.The CME2425-8 operates on the principle of magnetic shielding. As current flows through the windings, it produces a magnetic field which is in the opposite direction of any external electromagnetic interference, thus cancelling it out. This creates a high quality filter which is effective at reducing EMI and RFI interference.When connected properly, the CME2425-8 provides superior filtering performance, making it the ideal choice for applications where reliable EMI/RFI suppression is needed. It has a low parasitic resistance, which helps to reduce EMI/RFI noise levels, and its excellent electrical performance helps to maximize signal integrity. Additionally, the CME2425-8 is highly temperature and vibration resistant, making it suitable for a range of operating conditions.In summary, the CME2425-8 is a high performance EMI/RFI filter designed for DC applications. It uses a dual winding system to provide high quality filtering performance, which helps reduce EMI and RFI noise levels. Its excellent electrical performance ensures maximum signal integrity, and its superior temperature and vibration resistance make it suitable for challenging applications.

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