The 3-521150-2 is an Ultra-Fast fully insulated FASTON receptacle terminal designed for reliable electrical connections in standard applications. It features a straight receptacle style with brass material construction and a tin finish, accommodating tab dimensions of 6.35 x 0.81 mm (0.250 x 0.032 inches). The terminal supports wire gauges from 1.25 to 2.00 mm (16-14 AWG) with an insulation diameter of 6.60 mm (0.260 inches) and includes a dimple with wire stop for secure wire retention. With a UL 94V-2 flammability rating and full RoHS/ELV compliance, this receptacle is suitable for automotive, industrial, and consumer electronics applications requiring durable, fully insulated connections.