SFP12-5146-501A is a QSFP-DD 1x2 cage connector assembly specifically designed for high-performance applications, integrating a heat sink to enhance thermal management performance. This product utilizes a stainless steel cage and nickel-plated aluminum heat sink, ensuring excellent mechanical strength and corrosion resistance (tested through a 48-hour salt spray test). Its design supports up to 250 insertion and extraction cycles, with a wide operating temperature range from -40°C to +85°C, making it suitable for harsh environmental conditions. The product is equipped with EMI springs to ensure electromagnetic compatibility and is packaged in a tray format, catering to the single-sided PCB installation requirements of high-density data communication equipment.