The TE Connectivity / AMP Brand part 5-103735-1 is a vertical header assembly that is ideal for single row connections. With a pitch of 2.54mm [0.100"], this assembly features a 0.64mm [0.025"] square post, providing a reliable and secure connection. Additionally, this assembly is equipped with a polarizing key and a latching mechanism, ensuring a secure and foolproof mating. This versatile HDR ASSY is well-suited for various applications that require a dependable and space-saving vertical connection.