TF3233S-102Y10R0-K1

Series:	TF
Packaging:	Bulk
Part Status:	Obsolete
Filter Type:	Power Line
Number of Lines:	2
Current Rating (Max):	10A
DC Resistance (DCR) (Max):	20 mOhm
Voltage Rating - DC:	--
Voltage Rating - AC:	--
Operating Temperature:	-20°C ~ 120°C
Ratings:	--
Approvals:	--
Features:	--
Mounting Type:	Through Hole
Size / Dimension:	1.378" L x 0.984" W (35.00mm x 25.00mm)
Height (Max):	1.378" (35.00mm)
Package / Case:	Vertical, 4 PC Pin

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Common Mode Chokes

Common mode chokes are absorbers of electric and magnetic fields used to reduce or eliminate electromagnetic interference (EMI). Common mode chokes are also referred to as inductors, magnetic cores, and Balun chokes. The TF3233S-102Y10R0-K1 is a common mode choke specifically designed for EMI/RFI filtering of digital and analog circuits. It is a surface-mountable, cylindrical component with a height of 0.312” (7.9mm) and a diameter of 0.312” (7.9mm).

Application Field

Common mode chokes are used in a variety of applications for EMI/RFI filtering, especially in the case of digital and analog circuits. They help reduce the amount of EMI/RFI entering or leaving digital or analog circuits. Common mode chokes are most commonly used in power supplies, audio amplifiers, and communication equipment, as well as in automotive and industrial applications.Common mode chokes are particularly useful for filtering the EMI/RFI interference caused by high-speed digital switching circuits, as well as for suppressing the EMI/RFI interference generated by current-carrying traces on printed circuit boards. In audio amplifiers and communication equipment, common mode chokes can reduce the interference caused by nearby electromagnetic radiation sources such as cellphones, computers, and transmitters.

Working Principle

The working principle of a common mode choke is based on its ability to absorb electric and magnetic fields. Common mode chokes are constructed with multiple winding, which creates an inductance that reacts to alternating currents in either direction. The windings in the choke “pull” the electric and magnetic fields out of the circuit, reducing or eliminating the amount of interference. common mode chokes are designed to absorb the desired frequency bands of EMI/RFI, while allowing the desired frequency bands of the desired signal to pass through unhindered. This is done by carefully designing the winding configuration and core material to have the desired inductance characteristics. The optimal winding configuration and core material can vary depending on the application, but the goal remains the same: to absorb the interfering frequencies while allowing the desired frequencies to pass through the choke without issue.

Conclusion

Common mode chokes, like the TF3233S-102Y10R0-K1, are an essential component for reducing or eliminating electromagnetic interference (EMI/RFI) in digital and analog circuits. By carefully choosing the winding configuration and core material, common mode chokes can be designed to absorb the desired frequency bands of EMI/RFI, while allowing the desired frequency bands to pass through unhindered.

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