The 91911-31241LF is a Conan® 1.00mm vertical mezzanine connector system engineered for secure, high-speed interconnection in harsh industrial environments. It features configurable position counts from 9 to 69 positions with stack heights ranging from 4.15mm to 7.0mm, supporting data rates up to 5 Gb/s with differential pair impedance of 100O ± 10. The connector incorporates an audible "click" sound during mating, polarization features, and optional locating pegs and metal hold-down mechanisms to ensure secure mating and prevent mismating. Electrical specifications include a current rating of 1.0A per contact, insulation resistance of 1000MO minimum, and withstanding voltage of 500VAC RMS at 60Hz, with insertion loss less than 1.5dB up to 5GHz. This connector is ideal for communications and networking equipment, medical diagnostics, machine-to-machine applications, and other demanding environments requiring reliable perpendicular or parallel board stacking with comprehensive signal integrity performance.