42281-2

The 42281-2 by TE Connectivity AMP Connectors establishes a new benchmark in Terminals - Quick Connects, Quick Disconnect Connectors technology, specifically engineered for high-speed data center applications. These precision connectors feature advanced signal integrity preservation techniques, making them ideal for 400G Ethernet switch implementations. With innovative crosstalk suppression technology, they maintain exceptional signal clarity in densely packed server racks.Featuring Standard configurations, these interconnects support various backplane architectures. The mezzanine-style options enable efficient vertical stacking of server blades while minimizing signal path lengths.Available in Female variants, the contacts employ tuned impedance profiles. The hermaphroditic designs reduce insertion loss variations in high-speed differential pairs.Precision-machined to 0.250" (6.35mm) specifications, the contacts maintain consistent characteristic impedance. The graduated width transitions minimize signal reflections at GHz frequencies.The 0.032" (0.81mm) material gauge provides optimal mechanical stability. The controlled thickness ensures proper mating force distribution across high-pin-count arrays.The 0.305" (7.75mm) engagement dimension maintains stable contact resistance. This critical parameter ensures signal integrity across thousands of insertions.Measuring 0.750" (19.05mm), the compact design enables high-port-density switches. The optimized length prevents signal degradation in backplane applications.Crimp methods accommodate various PCB technologies. The press-fit versions feature anti-walking provisions for reliable connections in vibration environments.Compatible with 14-18 AWG conductors, these terminals support flexible wiring configurations. The dual-stage insulation displacement contacts ensure gas-tight connections.Non-Insulated options provide tailored dielectric properties. The low-Dk materials minimize signal distortion in high-frequency applications.The Free Hanging (In-Line) installation methods address diverse rack configurations. The floating mount versions compensate for thermal expansion mismatches.Fabricated from Brass, the contacts achieve optimal performance. The phosphor bronze alloys offer excellent spring properties for repeated mating cycles.Tin platings provide customized surface characteristics. The selective gold plating ensures reliable contact at mating interfaces.