Molex, Mini-Fit Jr Male Connector Housing, 4.2mm Pitch, 4 Way, 1 Row

Bulk discount available

Subtotal 125 units (supplied in a bag)*

£51.50

(exc. VAT)

£61.75

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 520 unit(s) shipping from 06 October 2025
  • Plus 1,165 unit(s) shipping from 17 October 2025
  • Plus 645 unit(s) shipping from 26 January 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
125 - 495£0.412
500 - 2495£0.394
2500 - 4995£0.372
5000 +£0.352

*price indicative

Packaging Options:
RS Stock No.:
510-9758P
Mfr. Part No.:
39-01-4046
Brand:
Molex
Find similar products by selecting one or more attributes.
Select all

Brand

Molex

Number of Contacts

4

Number of Rows

1

Pitch

4.2mm

Gender

Male

Mounting Type

Cable Mount

Series

Mini-Fit Jr

For Use With

Mini-Fit Jr. Plug

Body Orientation

Straight

Length

18mm

Width

7.4mm

Housing Material

Nylon

COO (Country of Origin):
US

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

Molex Connector Housing, Nylon Construction, 13A Maximum Current - Mini-Fit Jr Series - 39-01-4046


Lock in a terminal attached to your PCB using this connector housing from Molex. It completely shields the contacts to prevent dirt and moisture from tripping up your circuitry. As it has 4 contacts, you can slot in multiple crimp terminals to support wire-to-wire and wire-to-board transmissions. With a current rating of 13A per circuit, this unit can safely handle the demands of your high-powered electrical system.

Features & Benefits


• Compact pitch size of 4.2mm to handle small conductors
• Integrated lock-to-mating feature for secure terminal connection
• Performs reliably in challenging temperatures from -40°C to +105°C

Applications


• Server rooms
• Electrical engineering
• HVAC systems

Is this component flame-retardant?


Yes, the connector housing resists burning thanks to its self-extinguishing nylon body.

How can I tell when a crimp terminal is properly connected?


This housing gives an audible click to let you know the terminal is securely connected.


Molex Minifit Jr.™ Series

Related links