Molex Mini-Fit Jr. Series Straight Through Hole PCB Header, 4 Contact(s), 4.2mm 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
- 1,715 unit(s) ready to ship
- Plus 370 unit(s) ready to ship from another location
- Plus 10,915 unit(s) shipping from 05 November 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. | |
| Pitch | 4.2mm | |
| Number of Contacts | 4 | |
| Number of Rows | 2 | |
| Body Orientation | Straight | |
| Shrouded/Unshrouded | Shrouded | |
| Connector System | Wire to Board | |
| Mounting Type | Through Hole | |
| Termination Method | Solder | |
| Contact Plating | Tin | |
| Contact Material | Brass | |
| Current Rating | 9.0A | |
| Series Number | 5566 | |
| Voltage Rating | 600.0 V | |
Select all | ||
|---|---|---|
Brand Molex | ||
Series Mini-Fit Jr. | ||
Pitch 4.2mm | ||
Number of Contacts 4 | ||
Number of Rows 2 | ||
Body Orientation Straight | ||
Shrouded/Unshrouded Shrouded | ||
Connector System Wire to Board | ||
Mounting Type Through Hole | ||
Termination Method Solder | ||
Contact Plating Tin | ||
Contact Material Brass | ||
Current Rating 9.0A | ||
Series Number 5566 | ||
Voltage Rating 600.0 V | ||
- 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
• 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
• 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.
Molex Minifit Jr.™ Series
Related links
- Molex Mini-Fit Jr. Series Straight Through Hole PCB Header 4.2mm Pitch Shrouded
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- 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
- Molex Mini-Fit Jr. Series Straight Through Hole PCB Header 4.2mm Pitch Shrouded
