The 1-487378-1: The black thermoplastic body carries a UL94 V-0 flame rating, and the operating temperature range spans -65°C to 105°C. The housing is rated for 1.5 A per contact at 300 V, which puts it in signal-level or low-power duty – think control panels, test equipment, or legacy I/O where the 2.54 mm pitch matches existing board layouts.
The housing ships empty – the mating contacts are not included. You'll need to source the correct crimp terminal for the FFC thickness range of 0.05-0.13 mm. TE's standard FFC contacts for this series are the 487406-* or equivalent; verify the exact part number against your cable thickness.