This high-quality PCB socket receptacle connector, SKU 20021321-00040C4LF, is designed for reliable and efficient performance in electronic applications. With a durable housing made of high-temperature plastic in sleek black, it offers superior protection and longevity. Featuring 40 gold-plated phosphor bronze contacts with a pitch of 1.27mm, it ensures optimal conductivity and signal integrity. With a straight surface mount and PCB mount option, installation is effortless. Operating smoothly in a wide temperature range from -55°C to 125°C, it is suitable for various environments. With a contact resistance of 30mΩ (initial) and 50mΩ (after environmental testing), along with an insulation resistance of 1000mΩ, it guarantees stable performance. ROHS compliant and rated for 125VAC, this connector is ideal for high-reliability applications. With a mating cycle of 100 cycles, it offers durability and longevity. Perfect for use in aerospace, defense, industrial, and telecommunications sectors, this connector is essential for your PCB assembly needs.