3M Backplane Connectors - Hard Metric, Standard CP2-SC055-1-KR

The CP2-SC055-1-KR is a 55-position press-fit socket connector designed for high-density applications, adhering to IEC 61076-4-101 and IEC 917 standards. It features a 2 mm grid spacing, allowing for efficient signal density at a low cost. The connector is constructed from high-temperature thermoplastic (LCP) with a UL94V-0 flammability rating, ensuring durability in various environments. Electrical specifications include a current rating of 1.0 Amperes at 70°C, with a contact resistance of ,⧠20 mΩ and an insulation resistance of ,â 10,000 MΩ. The connector can withstand a test voltage of 750 VAC_RMS. It operates effectively within a temperature range of -55AöC to +125AöC. The recommended PCB hole specifications include a plated through hole diameter of 0.6 mm and a drill hole diameter of 0.7 mm, with a PCB thickness compatibility of 2.4 - 5.6 mm for 3.7 mm tails and 1.4 - 5.6 mm for 2.3 mm tails. The press-in force is rated at ,⧠204 N/pin, and the retention force is ,â 13.5 N/pin on the nominal hole diameter. The connector also offers options for additional grounding rows to enhance ground bounce and EMI immunity.