Choosing proper zif connector is mostly dependent on how you place your adaptor board.
- There are 2 types of zif connectors, upside and downside,
- Display shown on figure below (Figure 1) has to use two zifs with opposite conntacts,
- There are two pairs possible, upside + downside and respectively downside + upside.
40UH+10DH or 40DH+10UH - Best is to choose one of this pairs, which will match your projects PCB.