TF1815HU-103Y1R0-01

Voltage Rating - AC:	--
Package / Case:	Horizontal, 4 PC Pin
Height (Max):	0.591" (15.00mm)
Size / Dimension:	0.709" L x 0.669" W (18.00mm x 17.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-20°C ~ 120°C
Series:	TF
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	325 Ohm
Current Rating (Max):	1A
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Obsolete
Packaging:	Bulk

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What Are Common Mode Chokes?

Common Mode Chokes (CMCs) are electromagnetic devices employed in a wide variety of electrical applications, such as in power-line communication circuits, signal-line communication circuits, and telecommunications circuits. These chokes are designed to limit or reduce common-mode currents that run on the two wires of a two-wire-isolated power line.

How Does A Common Mode Choke Work?

A common mode choke works by introducing a frequency-dependent impedance, commonly known as reactance, into the current path between the two conductors, thus suppressing the common-mode current flow. In basic terms, when the individual wires of the two-wire-isolated power line run along side of each other the resulting self-inductance creates a kind of "Directional Adjustment Filter" in which the current flows parallel to the wires and in the same direction. Thus the level of common-mode current is minimized.

TF1815HU-103Y1R0-01 Application Field and Working Principle

The TF1815HU-103Y1R0-01 is a common mode choke used primarily in the telecommunications industry. It is rated for 15A, and can be used in a wide array of two-wire-isolated (twisted-pair) communication networks. The TF1815HU-103Y1R0-01 works on the principle of high-frequency common-mode inductance (HFCMI) to reduce the amount of common-mode current that is allowed to enter the communication line. It is designed to operate at frequencies up to 163 MHz, thus maintaining high performance regardless of the type of communication being carried out on the line. The choke has a symmetric winding ratio of 1:1 which ensures equal power distribution.The TF1815HU-103Y1R0-01 is an excellent environmental protection device, reducing EMI and lowering common-mode noise created by digital circuit devices. This makes it ideal for industrial and automotive applications. The TF1815HU-103Y1R0-01 is also designed to have a low leakage inductance between the two conductors. This ensures that power currents greater than 1A are safely isolated from the communication line and that the desired common-mode current suppression is achieved. Overall, the characteristics of the TF1815HU-103Y1R0-01 make it an ideal Common Mode Choke for industrial and automotive applications. Its high-performance features ensure that unwanted noise and EMI is reduced, allowing for error-free communication.

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