Molex, Mini-Fit Jr Female Connector Housing, 4.2mm Pitch, 3 Way, 1 Row
- RS Stock No.:
- 679-5842P
- Mfr. Part No.:
- 39-01-4031
- Brand:
- Molex
Bulk discount available
Subtotal 100 units (supplied in a bag)*
£43.00
(exc. VAT)
£52.00
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 3,075 unit(s) shipping from 13 October 2025
- Plus 19,500 unit(s) shipping from 17 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 100 - 370 | £0.43 |
| 375 - 1495 | £0.412 |
| 1500 + | £0.394 |
*price indicative
- RS Stock No.:
- 679-5842P
- Mfr. Part No.:
- 39-01-4031
- Brand:
- Molex
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Molex | |
| Number of Contacts | 3 | |
| Number of Rows | 1 | |
| Pitch | 4.2mm | |
| Gender | Female | |
| Mounting Type | Cable Mount | |
| Series | Mini-Fit Jr | |
| For Use With | Mini-Fit Jr. Receptacle | |
| Body Orientation | Straight | |
| Length | 13.8mm | |
| Width | 10.2mm | |
| Housing Material | Nylon | |
Select all | ||
|---|---|---|
Brand Molex | ||
Number of Contacts 3 | ||
Number of Rows 1 | ||
Pitch 4.2mm | ||
Gender Female | ||
Mounting Type Cable Mount | ||
Series Mini-Fit Jr | ||
For Use With Mini-Fit Jr. Receptacle | ||
Body Orientation Straight | ||
Length 13.8mm | ||
Width 10.2mm | ||
Housing Material Nylon | ||
Molex Mini-Fit Junior Crimp Receptacle and Plug Housings
Mini-Fit Junior 4.2 mm pitch connector housings form part of the Mini-Fit Junior power connector’s interconnection system. Molex connector housings can be used in applications that require design flexibility. These types of fittings are an essential component that offer protection for the connection it is housing.
Features and Benefits
• Handle Up to 13A current per circuit, a great solution for high current connectors
• Fully isolated terminals for protection against debris and damage caused by mishandling
• Polarization and keying to prevent mismating ad misalignment
• Positive locking mechanism for secure mating connection prevents accidental unmating caused by excessive shock or vibration
• Audible click for mating confirmation
• Available with a flame retardant UL94V-0 or UL94V-2 housing material
• Accepts standard Mini-Fit and Mini-Fit Plus crimp terminals
• Wire to wire and wire to board applications
• Fully isolated terminals for protection against debris and damage caused by mishandling
• Polarization and keying to prevent mismating ad misalignment
• Positive locking mechanism for secure mating connection prevents accidental unmating caused by excessive shock or vibration
• Audible click for mating confirmation
• Available with a flame retardant UL94V-0 or UL94V-2 housing material
• Accepts standard Mini-Fit and Mini-Fit Plus crimp terminals
• Wire to wire and wire to board applications
Molex Mini-Fit Jr Female Connector Housing, 4.2mm Pitch, 3 Contacts - 5557 Series - 39-01-4031
Looking for a robust connection solution for your crimp terminals? Choose this hardwearing adapter housing from Molex. Made of polyamide (PA) nylon material, the unit is durable and impact-resistant, making it a practical choice for use in harsh conditions. This material also provides effective insulation and protects you from electric shocks. A current capacity of 13A per circuit makes the housing a practical solution for high-current connectors. You'll find it used in the computer electronics industry, as well as in factory automation.
• Compact dimensions of 13.8 (L) x 10.2 (W) x 20.6mm (D) for space efficiency in small enclosures
• Positive locking mechanism for secure mating connection with audible click for confirmation
• Positive locking mechanism for secure mating connection with audible click for confirmation
Applications
• Automotive industries
• Programmable logic circuits (PLCs)
• Laptop computers
• Programmable logic circuits (PLCs)
• Laptop computers
How do I install this receptacle housing?
This housing is easy to install. Simply push the terminals into the receptacle and secure them with an appropriate crimping tool. To plug into the PCB, ensure the polarisation latch is aligned with the notch on the header. You'll hear a click when it's properly connected.
Molex Minifit Jr.™ Series