Molex Mini-Fit Jr 5557 series, 0039014031, 3-position single-row receptacle housing, 4.20mm pitch, natural PA66, latch lock, free-hanging, crimp termination, contacts not included.
| Parameter | Value |
|---|---|
| Series | Mini-Fit Jr 5557 |
| Type | Female Socket |
| Mounting | Free Hanging (In-Line) |
| Connector type | Receptacle |
| Fastening type | Latch Lock |
| Operating temperature | -40°C ~ 105°C |
| Color | Natural |
| Insulation material | Polyamide (PA66), Nylon 6/6 |
| Note | Contacts Not Included |
| Pitch | 0.165\" (4.20mm) |
| Package | Bulk |
| Rows | 1 |
| Contact termination | Crimp |
| Positions | 3 |
The critical note on this part: contacts are not included.
This receptacle mates with any Mini-Fit Jr 4.20mm-pitch male header — typically the 5566 or 5569 series headers in straight or right-angle through-hole configurations. A secondary TPA (terminal position assurance) insert is available for the 5557 series if the application sees high vibration or frequent mating cycles.
The pitch is 4.20mm (0.165"), standard for the Mini-Fit Jr series. This drives the mating header selection and the wire-to-wire spacing in the harness.