The JST ZH series Connectors The ZH connectors are very small with a mounting height of 5.6 mm (.220") and a thickness of only 3.5 mm (.138"). Contact retention lances on the housing make insertion easier, while the dimple at the centre of the contact ensures reliable contact with the post. Features & Benefits • Compact, low profile design • Housing lances • Reliable contact construction • Compatible with the ZR insulation displacement connectors