3-Pin Sealed Housing — Getting Moisture Protection Right (1-2203771-2 · 1.2mm)

Sealed connectors rely on the correct terminal, seal and crimp geometry. Mixing families or crushing seals leads to slow moisture ingress and intermittent faults.

Checklist

• Match terminal size to cavity (1.2 mm style)
• Crimp the insulation wings over the seal correctly
• Confirm primary lock and a positive latch

Recommended parts: 3-Pin Sealed Housing Kit (1-2203771-2) · 

Tip

Don’t lubricate seal cavities; a light wipe on the interface only, if specified.