The single-wall shroud leaves one side of the pins exposed — this is a design choice that simplifies housing alignment but does not provide full perimeter protection.
Comparison with B4PS-VH
The B4PS-VH is the right-angle version of this 4-position header with the same pitch, tin plating, and locking ramp. The B4P-VH(LF)(SN) is vertical; the B4PS-VH exits at a right angle.
