TF3524TU-502Y3R0-01

Voltage Rating - AC:	--
Package / Case:	Horizontal, 4 PC Pin
Height (Max):	0.906" (23.00mm)
Size / Dimension:	1.358" Dia (34.50mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-20°C ~ 120°C
Series:	TF
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	130 mOhm
Current Rating (Max):	3A
Number of Lines:	3
Filter Type:	Power Line
Part Status:	Obsolete
Packaging:	Bulk

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Introduction to Common Mode Chokes

Common mode chokes, also known as common mode filters, are specialized components used to reduce noise or electromagnetic interference (EMI) from the power supply or data lines. Common mode filters use a combination of inductors and capacitors to filter out unwanted noise from the desired signal. Common Mode Chokes, are widely used in industrial and consumer electronics applications, ranging from power supplies to video cards and more.

TF3524TU-502Y3R0-01: Common Mode Choke Application Field and Working Principle

The TF3524TU-502Y3R0-01 is a common mode choke manufactured by TDK, designed for use in CAN bus and UART receivers. The TF3524TU-502Y3R0-01 consists of a wire wound coil of fine enameled copper with two pins that can be connected to hardware. The TF-502Y3R0-01 is designed to filter out common mode noise on bus and receiver applications and can be used on most buses.The TF3524TU-502Y3R0-01 is designed to reduce common mode noise levels while allowing normal signal operation. This is accomplished by utilizing a combination of inductance, capacitance, and series inductance to create a low-pass filter that attenuates (reduces) noise frequencies above a certain cut-off point, while allowing the desired signal to pass intact.The inductor portion of the filter is made of fine enameled copper wire, which is wound around a ferrite core. This core allows the inductor to increase its magnetic field and thus improves the common mode noise suppression performance. The two pins on the TF3524TU-502Y3R0-01 are connected to ground and the bus or receiver lines, allowing the filter to reduce noise before it reaches the receiving device.The capacitors used in the construction of the TF3524TU-502Y3R0-01 work in tandem with the inductors to form a high-pass filter, further reducing the amount of noise on the signal line. The capacitors also help remove higher frequencies that may still be present in the signal line after the inductors have removed the low frequency noise.

Conclusion

The TF3524TU-502Y3R0-01 Common Mode Choke filter is designed to reduce noise from CAN bus and UART receiver lines. The filter utilizes a combination of inductance, capacitance, and series inductance to create a low-pass filter that reduces noise frequencies above a certain cut-off point, while allowing the desired signal to pass intact. This in turn helps to increase signal integrity and reduce the risk of data corruption.

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