132257 is an SMA direct solder jack connector manufactured by Amphenol RF, specifically designed for 0.047" semi-rigid cable termination. The connector features a brass body with gold finish and incorporates a beryllium copper contact pin also with gold plating, ensuring excellent electrical conductivity and corrosion resistance. The insulator is constructed from TEFLON material, and the solder barrel is brass with gold finish for reliable soldering connections. Key dimensional specifications include a 6.35 mm hex body with 1/4-36 UNS-2A threading, a body length of 12.70 mm, and a contact pin length of 6.60 mm. This connector is commonly used in RF and microwave applications where direct soldering to semi-rigid coaxial cables is required, providing a robust and reliable interface for high-frequency signal transmission.