The JST ZH Series Connector The JST ZH series connectors are very small with a mounting height of 5.6 mm and a thickness of 3.5 mm. 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