Molex Mini-Fit Jr Series Vertical Through Hole PCB Header, 20 Contact(s), 4.2 mm Pitch, 2 Row, Shrouded
- RS Stock No.:
- 172-8923
- Distrelec Article No.:
- 304-30-635
- Mfr. Part No.:
- 39-28-1203
- Brand:
- Molex
Bulk discount available
View bulk pricing optionsSubtotal (1 pack of 5 units)*
£14.98
(exc. VAT)
£17.975
(inc. VAT)
FREE delivery for orders over £60.00
Temporarily out of stock
- 175 unit(s) shipping from 17 September 2026
- Plus 400 unit(s) shipping from 30 November 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 5 - 95 | £2.996 | £14.98 |
| 100 - 370 | £2.086 | £10.43 |
| 375 - 1495 | £2.004 | £10.02 |
| 1500 + | £1.924 | £9.62 |
*price indicative
- RS Stock No.:
- 172-8923
- Distrelec Article No.:
- 304-30-635
- Mfr. Part No.:
- 39-28-1203
- 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 | |
| Product Type | PCB Header | |
| Series | Mini-Fit Jr | |
| Current | 9A | |
| Pitch | 4.2mm | |
| Number of Contacts | 20 | |
| Housing Material | Nylon | |
| Number of Rows | 2 | |
| Orientation | Vertical | |
| Shrouded/Unshrouded | Shrouded | |
| Connector System | Wire-to-Board | |
| Mount Type | Through Hole | |
| Contact Plating | Tin | |
| Contact Material | Brass | |
| Row Pitch | 4.2mm | |
| Termination Type | Solder | |
| Minimum Operating Temperature | -40°C | |
| Contact Gender | Male | |
| Maximum Operating Temperature | 105°C | |
| Tail Pin Length | 3.5mm | |
| Standards/Approvals | No | |
| Voltage | 600V | |
| Select all | ||
|---|---|---|
Brand Molex | ||
Product Type PCB Header | ||
Series Mini-Fit Jr | ||
Current 9A | ||
Pitch 4.2mm | ||
Number of Contacts 20 | ||
Housing Material Nylon | ||
Number of Rows 2 | ||
Orientation Vertical | ||
Shrouded/Unshrouded Shrouded | ||
Connector System Wire-to-Board | ||
Mount Type Through Hole | ||
Contact Plating Tin | ||
Contact Material Brass | ||
Row Pitch 4.2mm | ||
Termination Type Solder | ||
Minimum Operating Temperature -40°C | ||
Contact Gender Male | ||
Maximum Operating Temperature 105°C | ||
Tail Pin Length 3.5mm | ||
Standards/Approvals No | ||
Voltage 600V | ||
Molex Mini-Fit Jr Series PCB Header, 9A Current Rating, 4.2mm Pitch - 39-28-1203
This PCB header is suitable for power and wire-to-board applications, providing dependable connections in various environments. The Mini-Fit Jr. connectors feature a shrouded design that ensures secure electrical connections and simplifies assembly. Its robust construction makes it suitable for applications in the automation and electronics sectors.
Features & Benefits
• Vertical orientation optimises space and accessibility on PCBs
• Made from Durable brass for improved longevity
• 4.2mm pitch compatible with standard wiring setups
Applications
• Designed for use with standard Mini-Fit female terminals for secure mating
• Suitable for integration in automation equipment and consumer electronics
• Utilised in mechanical and electrical assembly for component interlinking
What is the maximum operating temperature of the product?
The device operates within a temperature range of -40°C to +105°C, accommodating various conditions.
Can this product be used with different PCB thicknesses?
It is recommended for use with a PCB thickness of 1.60mm to ensure optimal retention and functionality.
How many mating cycles can be expected from this header?
The connector can endure up to 30 mating cycles, ensuring longevity in repeated use scenarios.
Is there a specific process for soldering this header?
The product supports wave soldering processes with a maximum temperature of 260°C for efficient assembly.
Can this header handle increased amperage beyond its rated capacity?
For higher amperage requirements, it is advisable to consider the Mini-Fit Plus HCS family for enhanced performance.
Related links
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