The AXT540124A is a 40-pin F4S series socket connector with a 0.4 mm pitch, designed for board-to-FPC applications. It features a rated current of 0.3A per pin, a rated voltage of 60V AC/DC, and achieves a low mated height of 1.0 mm. The connector is constructed with a UL94V-0 rated LCP resin housing and gold-plated copper alloy contacts, ensuring reliable performance across an operating temperature range of -55°C to +85°C. Its space-saving design makes it suitable for compact mobile devices, including cellular phones, digital still cameras, and digital video cameras.