Molex, Mini-Fit Jr Female Connector Housing, 4.2mm Pitch, 3 Way, 1 Row
- RS Stock No.:
- 510-9685
- Mfr. Part No.:
- 39-01-4030
- Brand:
- Molex
Bulk discount available
Subtotal (1 pack of 5 units)*
£1.01
(exc. VAT)
£1.21
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 8,345 unit(s) ready to ship
- Plus 2,925 unit(s) ready to ship from another location
- Plus 32,500 unit(s) shipping from 17 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 5 - 120 | £0.202 | £1.01 |
| 125 - 495 | £0.142 | £0.71 |
| 500 - 2495 | £0.138 | £0.69 |
| 2500 - 4995 | £0.134 | £0.67 |
| 5000 + | £0.132 | £0.66 |
*price indicative
- RS Stock No.:
- 510-9685
- Mfr. Part No.:
- 39-01-4030
- 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, 3 Way, 4.2mm Pitch - 5557 Series - 39-01-4030
Protect your wire-to-wire or wire to printed circuit board (PCB) connections with this single-row connector housing from Molex. It has room for three circuit connections at a 4.2mm pitch for use with connectors in the Mini-Fit Jr range of compact PCB components. Crimp the housing onto your connections to protect them from dust and moisture contamination and to prevent accidental disconnection due to heavy machine vibrations. Polarised mating terminals help the housing slot onto the connection with ease and prevent damage caused by mismating or improper insertion. The housing's nylon material provides excellent electrical insulation for added safety.
• Maximum current of 13A per contact for safety in high-current applications
• Compatible with vertical or right-angle connectors with pegs or flanges for flexibility in your system
• Wide operating temperature range of -40°C to +105°C for use in extreme conditions
• Audible click upon proper connection for ease of use
• Compatible with vertical or right-angle connectors with pegs or flanges for flexibility in your system
• Wide operating temperature range of -40°C to +105°C for use in extreme conditions
• Audible click upon proper connection for ease of use
Applications
• Hard drives and computing equipment
• Factory automation
• Home appliances
• Telecommunications applications
• Factory automation
• Home appliances
• Telecommunications applications
How much space will this housing take up?
The housing has compact dimensions of 13.8 (length) x 10.2 (width) x 20.6mm (depth), so it will take up minimal space on your PCB.
Molex Minifit Jr.™ Series