The SAMTEC SS4-40-3.50-L-D-K-TR is a fine pitch connector with a short description. It features a socket contact configuration with 80 positions and a pitch of 0.4mm. This connector is designed for surface mount soldering, making it suitable for use in various electronic applications. It comes in tape and reel packaging, allowing for easy handling and efficient production processes. With its high-quality construction and reliable performance, the SAMTEC SS4-40-3.50-L-D-K-TR is an excellent choice for demanding connection requirements in modern electronics.