Molex, Mini-Fit Jr Male Connector Housing, 4.2mm Pitch, 12 Way, 2 Row
- RS Stock No.:
- 484-1877P
- Mfr. Part No.:
- 39-01-2121
- Brand:
- Molex
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Subtotal 100 units (supplied in a bag)*
£54.80
(exc. VAT)
£65.80
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 10 unit(s) ready to ship
- Plus 3,660 unit(s) shipping from 23 February 2026
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Units | Per unit |
|---|---|
| 100 - 370 | £0.548 |
| 375 - 1495 | £0.526 |
| 1500 - 2995 | £0.352 |
| 3000 + | £0.338 |
*price indicative
- RS Stock No.:
- 484-1877P
- Mfr. Part No.:
- 39-01-2121
- 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 | 12 | |
| Number of Rows | 2 | |
| Pitch | 4.2mm | |
| Gender | Male | |
| Mounting Type | Cable Mount | |
| Series | Mini-Fit Jr | |
| For Use With | Mini-Fit Jr. Plug | |
| Body Orientation | Straight | |
| Length | 31.8mm | |
| Width | 12mm | |
| Housing Material | Nylon | |
Select all | ||
|---|---|---|
Brand Molex | ||
Number of Contacts 12 | ||
Number of Rows 2 | ||
Pitch 4.2mm | ||
Gender Male | ||
Mounting Type Cable Mount | ||
Series Mini-Fit Jr | ||
For Use With Mini-Fit Jr. Plug | ||
Body Orientation Straight | ||
Length 31.8mm | ||
Width 12mm | ||
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 Male Connector Housing, 4.2mm Pitch, 12 Way - Mini-Fit Jr Series - 39-01-2121
Looking for a safe way to link wires to your PCBs? Opt for this connector housing from Molex. Made from nylon material, it's durable and resistant to impact, so you can use it in harsh environments. It's also self-extinguishing and stops burning within 30 seconds when a fire occurs. With compact dimensions of 31.8 (L) x 12 (W) x 23.9mm (D), this connector housing is a space-efficient option for use in small enclosures.
• Wide operating temperature range of -40°C to +105°C, so suitable for use in demanding environments
• Light weight of 3.76g to reduce strain on your setup
• Current rating of 13A for use in heavy-duty applications
• Polarised to prevent mismating or misalignment and deliver a precise link
• Fully isolated terminals to prevent damage from debris and mishandling
• Light weight of 3.76g to reduce strain on your setup
• Current rating of 13A for use in heavy-duty applications
• Polarised to prevent mismating or misalignment and deliver a precise link
• Fully isolated terminals to prevent damage from debris and mishandling
Applications
• Security systems
• Routers and switches
• Washers and dryers
• Routers and switches
• Washers and dryers
How secure is this connector housing?
This connector housing has a positive locking mechanism that ensures that it doesn't accidentally come off due to shock and vibration. It makes an audible click sound when it's correctly mated, so you can be sure when a secure link has been established.
Molex Minifit Jr.™ Series