The crimp style ZH series and insulation displacement ZR series wire-to-board connectors are on a 1.5mm pitch, molded in a 94V0 PA6T SMT header, are available in SMT and through-hole versions, and incorporate both polarization and a friction locking feature. These low profile connectors have a top-entry height of only 5.5mm  (ZR series) and a thickness of only 3.5mm.