Molex, Mini-Fit Jr Female Connector Housing, 4.2mm Pitch, 4 Way, 2 Row
- RS Stock No.:
- 484-1754
- Mfr. Part No.:
- 39-01-2040
- Brand:
- Molex
Bulk discount available
Subtotal (1 pack of 5 units)*
£1.60
(exc. VAT)
£1.90
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 49,185 unit(s) ready to ship
- Plus 2,610 unit(s) ready to ship from another location
- Plus 19,135 unit(s) shipping from 30 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 5 - 120 | £0.32 | £1.60 |
| 125 - 495 | £0.202 | £1.01 |
| 500 - 2495 | £0.182 | £0.91 |
| 2500 - 4995 | £0.162 | £0.81 |
| 5000 + | £0.154 | £0.77 |
*price indicative
- RS Stock No.:
- 484-1754
- Mfr. Part No.:
- 39-01-2040
- 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 | 4 | |
| Number of Rows | 2 | |
| Pitch | 4.2mm | |
| Gender | Female | |
| Mounting Type | Cable Mount | |
| Series | Mini-Fit Jr | |
| For Use With | Mini-Fit Jr. Receptacle | |
| Body Orientation | Straight | |
| Length | 9.6mm | |
| Width | 15.1mm | |
| Housing Material | Nylon | |
Select all | ||
|---|---|---|
Brand Molex | ||
Number of Contacts 4 | ||
Number of Rows 2 | ||
Pitch 4.2mm | ||
Gender Female | ||
Mounting Type Cable Mount | ||
Series Mini-Fit Jr | ||
For Use With Mini-Fit Jr. Receptacle | ||
Body Orientation Straight | ||
Length 9.6mm | ||
Width 15.1mm | ||
Housing Material Nylon | ||
- COO (Country of Origin):
- CN
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 Way, 4.2mm Pitch - 5557 Series - 39-01-2040
Use connector housing from Molex to hold your wire-to-wire or wire to printed circuit board (PCB) applications securely in place. It has a compact 4.2mm pitch interface for small-sized connectors in the Mini-Fit Jr range. The housing has four contacts arranged in two rows to accommodate up to four circuits without taking up too much space. The housing can withstand high currents of up to 13A per contact, so it's a good choice for use in demanding applications. The crimp method ensures terminals are protected against contaminants and offer a long-lasting connection.
• Compatible with other MiniFit series such as MiniFit Plus for flexible connection design
• Mates with both vertical and right-angle connectors with pegs or flanges for maximum versatility
• Wide operating temperature range of -40°C to +105°C for use in extreme conditions
• Polarised to ensure the header and receptacle won’t be accidentally mismated
• Nylon housing material provides good electrical insulation for added safety
• Mates with both vertical and right-angle connectors with pegs or flanges for maximum versatility
• Wide operating temperature range of -40°C to +105°C for use in extreme conditions
• Polarised to ensure the header and receptacle won’t be accidentally mismated
• Nylon housing material provides good electrical insulation for added safety
Applications
• Data and communications equipment
• Commercial vehicle modules
• Industrial automation equipment
• Domestic appliances
• Commercial vehicle modules
• Industrial automation equipment
• Domestic appliances
How can you tell if the device has mated successfully?
The housing makes an audible click when correctly fitted, so you can be sure it's properly in place.
Molex Minifit Jr.™ Series