The 171822-5 is a standard crimp receptacle connector from TE Connectivity's Economy Interconnection Series (EIS), designed for high-density wiring connections in wire-to-board and wire-to-wire applications. This connector features a locking mechanism and polarization features to ensure proper mating, with positions ranging from 2 to 12 and a 2.5mm centerline pitch. It supports crimp termination with wire sizes from 30 to 20 AWG, operates at 250V with current ratings up to 5A (20 AWG), and maintains reliable performance across an operating temperature range of -20°C to 95°C. The connector includes guides for correct contact alignment and is available with gold-plated configurations, making it suitable for industrial machinery, factory automation, commercial equipment, household appliances, and consumer electronics applications.