Molex Mini-Fit Jr Series Straight Through Hole PCB Header, 4 Contact(s), 4.2 mm Pitch, 2 Row(s), Shrouded
- RS Stock No.:
- 484-1899
- Mfr. Part No.:
- 39-28-1043
- Brand:
- Molex
Subtotal (1 pack of 5 units)*
£2.95
(exc. VAT)
£3.55
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 3,930 unit(s) shipping from 24 November 2025
- Plus 350 unit(s) shipping from 24 November 2025
- Plus 10,915 unit(s) shipping from 01 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 5 + | £0.59 | £2.95 |
*price indicative
- RS Stock No.:
- 484-1899
- Mfr. Part No.:
- 39-28-1043
- 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 | |
| Series | Mini-Fit Jr | |
| Product Type | PCB Header | |
| Pitch | 4.2mm | |
| Current | 9A | |
| Housing Material | Nylon | |
| Number of Contacts | 4 | |
| Number of Rows | 2 | |
| Orientation | Straight | |
| Shrouded/Unshrouded | Shrouded | |
| Mount Type | Through Hole | |
| Connector System | Wire-to-Board | |
| Contact Plating | Tin | |
| Contact Material | Brass | |
| Row Pitch | 4.2mm | |
| Minimum Operating Temperature | -40°C | |
| Termination Type | Solder | |
| Maximum Operating Temperature | 105°C | |
| Contact Gender | Male | |
| Standards/Approvals | No | |
| Voltage | 600 V | |
| Distrelec Product Id | 304-42-637 | |
| Select all | ||
|---|---|---|
Brand Molex | ||
Series Mini-Fit Jr | ||
Product Type PCB Header | ||
Pitch 4.2mm | ||
Current 9A | ||
Housing Material Nylon | ||
Number of Contacts 4 | ||
Number of Rows 2 | ||
Orientation Straight | ||
Shrouded/Unshrouded Shrouded | ||
Mount Type Through Hole | ||
Connector System Wire-to-Board | ||
Contact Plating Tin | ||
Contact Material Brass | ||
Row Pitch 4.2mm | ||
Minimum Operating Temperature -40°C | ||
Termination Type Solder | ||
Maximum Operating Temperature 105°C | ||
Contact Gender Male | ||
Standards/Approvals No | ||
Voltage 600 V | ||
Distrelec Product Id 304-42-637 | ||
- COO (Country of Origin):
- JP

Molex PCB Header, 9A Current Rating, Brass Connector - Mini-Fit Jr Series - 39-28-1043
Use this PCB header from Molex to firmly attach wires to your high-current circuit boards. As it's rated 9A, it can handle that current through each of its four contacts. The unit's polarised design stops you from accidentally mismating the wires and ensures the correct system connection each time. It has a shrouded terminal that keeps debris from getting into the workings while ensuring cables are reliably secure.
Features & Benefits
• Light 1.209g weight won't put unnecessary pressure on your circuit board
• 4.2mm pitch interface suits high-density wire arrangements
• Wide operating temperature range between -40°C and +105°C for use in demanding systems
Applications
• Research and development facilities
• Domestic appliances
• Lighting systems
• Manufacturing machinery
What's a wire-to-board system?
A wire-to-board connector system is a way to connect a wire to a printed circuit board, meaning you can send power and signals between circuits. It's an important component in any PCB design.
Related links
- Molex Mini-Fit Jr. Series Straight Through Hole PCB Header 4.2mm Pitch Shrouded
- Molex Mini-Fit Jr. Series Straight Through Hole PCB Header 4.2mm Pitch Shrouded
- Molex Mini-Fit Jr. Series Straight Through Hole PCB Header 4.2mm Pitch Shrouded
- Molex Mini-Fit Jr. Series Vertical Through Hole PCB Header 4.2mm Pitch Shrouded
- Molex Mini-Fit Jr. Series Vertical Through Hole PCB Header 4.2mm Pitch Shrouded
- Molex Mini-Fit Jr. Series Straight Through Hole PCB Header 4.2mm Pitch Shrouded
- Molex Mini-Fit Jr. Series Straight Through Hole PCB Header 4.2mm Pitch Shrouded
- Molex Mini-Fit Jr. Series Straight Through Hole PCB Header 4.2mm Pitch Shrouded
