PA2742NL

Voltage Rating - AC:	--
Package / Case:	Vertical, 8 Flat Lead
Height (Max):	0.310" (7.87mm)
Size / Dimension:	0.360" L x 0.350" W (9.14mm x 8.89mm)
Mounting Type:	Surface Mount
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-40°C ~ 130°C
Series:	--
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	92 mOhm
Current Rating (Max):	1A
Number of Lines:	2
Filter Type:	--
Part Status:	Active
Packaging:	Tube

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PA2742NL is a type of common mode choke, designed to provide largely increased suppression of high frequency noise coming from data lines. Common mode chokes are basically inductors built from tightly wound coils of insulated copper wire. This improved inductor can suppress common mode noise from the transmission line due to its design. The working principle of this common mode choke restricts the flow of high frequency signals in a single direction or the other depending on its construction.The PA2742NL series offers excellent common-mode noise suppression and low insertion loss. It provides common-mode choking from a single transformer; we will refer to it as a ‘single-ended common-mode choke’. This single-ended common-mode choke comprises two main components, namely a common-mode choke and a differential-mode choke. The common-mode choke is used to reduce the amount of electromagnetic noise on the signal lines, while the differential-mode choke is used to reduce the amount of common-mode noise on the signal lines.The PA2742NL is mainly used for coupling data lines in high-speed signal transmission systems, such as Ethernet, CAN, and USB. Its Working principle is to connect the two data lines together as one common-mode circuit. The noise is then suppressed by alternating the voltage between the two data lines. This alternating current continues to flow until the high frequency signals coming from the data lines are canceled out and the signal on the data line remains constant. The alternating voltage does not influence the data transmission speed.The PA2742NL has a self-shielded construction, allowing for excellent suppression of high frequency common-mode noise. The inductance is very low which makes it suitable for high-speed applications, such as in Ethernet and USB systems. It is also resistant to moisture and temperature, making it a great choice for applications in the automotive industry and industrial electronics.The PA2742NL comes in different sizes, making it versatile and easy to work with. The typical inductance value of the component is 3.5mH, making it suitable for a wide range of signal frequencies. Furthermore, its self-shielding construction eliminates the need for additional shielding.The PA2742NL is an excellent choice for applications which need efficient noise suppression in a single device. Its low inductance and self-shielding design make it ideal for high-speed communication systems. With the PA2742NL, noise is effectively suppressed while preserving the signal integrity.

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