The 5-102699-3: The detent lock provides positive retention against vibration or cable tug, while the 4-wall shrouding protects pins during handling and prevents mis-mating.
Press-fit termination and temperature range
Termination is press-fit (with solder option), meaning the header can be inserted into plated through-holes without soldering for a gas-tight joint — a common requirement in backplane or high-reliability assemblies where rework is difficult.
