38-circuit 0.5 mm pitch ZIF assembly
The 54104-3833 is a 38-circuit FFC / FPC cable assembly from Molex, built around a 0.5 mm pitch ZIF housing.
FFC / FPC Cable Assemblies category fit
Listed under FFC / FPC & Ribbon Connectors and specifically within FFC / FPC Cable Assemblies, the 54104-3833 serves as a pre-terminated interconnect for board-to-flex circuits at 0.5 mm pitch.