Gold GXT mating finish and cycle life
The 98424-G52B50ULF: The post termination is tin-plated at 78.7 µinch (2.00 µm), which is standard for solder-joint compatibility and avoids galvanic mismatch with the PCB pad finish.
Shrouding and latch for vibration environments
The keying slot on the header ensures the receptacle cannot be inserted reversed, which is a practical safeguard during harness assembly.