120974-1

Series:	UPM (Universal Power Modules)
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Usage:	Backplane
Connector Type:	Header, Male Blades
Connector Style:	Blade Power
Number of Positions:	3
Number of Positions Loaded:	All
Pitch:	--
Number of Rows:	1
Number of Columns:	--
Mounting Type:	Board Edge, Through Hole, Right Angle
Termination:	Press-Fit
Contact Layout, Typical:	3 Power
Features:	Board Guide
Contact Finish:	Gold or Gold-Palladium
Contact Finish Thickness:	--
Color:	Gray
Current Rating:	--
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-55°C ~ 125°C
Voltage Rating:	250V

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1. IntroductionBackplane Connectors – Specialized are one of the most important components of telecommunication and computing industry which provide the secure high performance connections between boards in backplanes, while ensuring the power and signal integrity. 120974-1 is a high-speed connector designed for high-speed backplane applications. This article will describe the application field and working principles of 120974-1.2. 120974-1 Application Field120974-1 connector is designed mainly for high-speed data communications and signal transfer applications in a variety of industries ranging from telecommunications to computing. It is suitable for backplane applications such as 10G Ethernet, DSL, and other high-speed communication links. The 120974-1 is also suitable for applications in network switches and routers, optical networking equipment, motherboards, servers, storage and computing systems, and FPGA applications.The 120974-1 connector has been designed for increased contacts density and for increased current levels, allowing for improved edge connector performance and reliability. The design allows for efficient connection of cables, ground/signal planes and components from a densely packed array of contacts in a compact connector. The pitch of the contacts in 120974-1 connectors allows for increased number of connections with reduced space. 3. Working Principle 120974-1 connectors employ a "point-to-point" contact arrangement in which all contacts are recessed and arranged in a right angle "V" configuration. Each contact has an angled tail which allows it to slide in the opposite direction of the other contacts for mating and unmating. This increases the durability and reliability of the contact as it is less likely to be misaligned or dislodged during installation.The 120974-1 also uses the "positive displacement" principle when mated. This is a special mechanism where the contact pairs are forced into a pre-determined position when mating, ensuring that the contact interface is firmly securely. This is done by having the contact tails that are angled towards the mating direction, and by having the contacts at an angle so that they move in the opposite direction of each other and stay in contact when mated. This mechanism allows for an effective and reliable connection with minimal disruption to the connection when it is mated or unmated.The 120974-1 connector also features a double-tension design which helps to improve its durability and reliability. This is done by having two different tension levels on each side of the contacts so that the mates will adhere to a secure connection when they are inserted. The double-tension design also ensures that the plugs and receptacles will not be misaligned or become dislodged when in use.Finally, the 120974-1 has a high temperature capability making it suitable for applications where temperatures exceed normal limits. The contact\'s increased durability ensures that the connectors can withstand temperatures up to 250°C and still maintain a secure connection.4. ConclusionThe 120974-1 backplane connector is a high-speed connector designed for high-speed backplane applications. It is designed for increased contacts density and for increased current levels, allowing for improved edge connector performance and reliability. The 120974-1 connector has a robust double-tension design and high-temperature capability making it suitable for a variety of applications ranging from telecommunications to computing. The “positive displacement” mechanism ensures a reliable connection and its recessed contacts and angled tails provide improved durability and reliability.

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