Board Fit and Contact Rating
The 5-87589-6: The detent lock gives a positive snap when fully mated — useful in applications where the connector sees vibration or where the assembler needs audible confirmation of full engagement.
Plating and Environmental Range
That thickness is standard for moderate-cycle, cost-sensitive interconnects — expect several hundred mate/unmate cycles before the tin begins to wear. That covers most indoor equipment and automotive passenger-compartment environments, but not continuous under-hood temperatures above 105°C.
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