770145-1 is a loose piece pin contact designed for use in 5.0 mm Power Key Connectors (5.0 PKC) wire-to-board applications. This contact is specified for 20-14 AWG wire sizes (0.6-2 mm²) with an insulation diameter of 0.140 inches (3.56 mm) and features brass material with pre-tin finish for reliable electrical connection. The contact is part of a comprehensive connector system designed for power circuits in home appliances, particularly gas appliances, and is recognized under UL Component Program File No. E28476 and CSA File No. LR7189. The pre-tin finish provides excellent corrosion resistance and solderability, making it suitable for demanding applications requiring durable, long-term electrical performance.