Power Spring-Loaded Pin Connectors Mill-Max Discrete Power Spring-Loaded Pin Connectors are low profile, standard stroke, solder mount power spring pins with 20µ' gold-over-nickel plating and 10µ' gold-over-nickel contact plating. Mill-Max Power Spring-Loaded Pin Connectors feature a mid-stroke distance of .045', which is more than double most standard series product. These connectors also offer a maximum stroke length of .90', endurance of 1 million cycles, and a rated current of 9A at 10°C temperature rise. The connectors are ideal for applications requiring board stacking, such as docking stations, cable assemblies, quick connects, as well as blind mate programs.