Right-Angle Board Fit and Pitch
The 640457-6: The 0.140" (3.56 mm) post length fits standard 1.6 mm PCBs; the 0.295" (7.49 mm) mating pin length engages the receptacle contact fully.
Mating and Retention with MTA-100 Receptacles
When the two halves are pushed together, the lock snaps into place — you should hear it click.
Tin Plating and Temperature Range
Current Rating and Wire Gauge Dependency
The actual limit depends on the wire size, ambient temperature, and number of circuits loaded. For a 6-position header fully loaded, derate per the application note in the product drawing.