48 circuits, 0.50 mm pitch, ZIF bottom contact
The 505110-4891: ZIF actuation allows the FPC to be inserted without force, then locked by flipping the actuator — the bottom-contact arrangement places the contact beams on the same side as the FPC pads, simplifying the routing trace.
RoHS status and compliance
The 505110-4891 is marked RoHS non-compliant per the manufacturer's listing.
