The TE Connectivity (TE) 2238139-1 is Positive Lock Mark II receptacles are specifically designed to provide ease of assembly and secure retention to mating tabs. TE’s Positive Lock receptacles lock onto mating tabs and are removable only by deflecting an integrally designed repressor prior to withdrawal.Integral lever locks receptacles onto tabs Low insertion force for improved ergonomics High temperature Positive Lock terminals operate in temperatures up to 250°C and the high temperature housings operate in 240°C