KR Series / Family
The difference is the color; the “S” indicates white and the “H” indicates gray. From, fit and function they are otherwise the same and share the same termination tooling.
B( )B-PH-K-S is the standard, through-hole header in a natural white color. B( )B-PH-KL is a low insertion force type header in gray color.
PH Series
B( )B-PH-K-S is the standard, through-hole header in a natural white color. B( )B-PH-KL is a low insertion force type header in gray color.