Welwyn 390mΩ Wire Wound Resistor 3W ±5% W21-R39JI
- RS Stock No.:
- 139-3488
- Mfr. Part No.:
- W21-R39JI
- Brand:
- Welwyn
Bulk discount available
Subtotal (1 bag of 5 units)*
£6.23
(exc. VAT)
£7.475
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- 1,000 unit(s) shipping from 05 December 2025
- Plus 1,000 unit(s) shipping from 29 January 2026
- Plus 1,000 unit(s) shipping from 19 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Bag* |
|---|---|---|
| 5 - 45 | £1.246 | £6.23 |
| 50 - 95 | £1.156 | £5.78 |
| 100 - 245 | £1.084 | £5.42 |
| 250 - 495 | £1.034 | £5.17 |
| 500 + | £0.922 | £4.61 |
*price indicative
Alternative
This product is not currently available. Here is our alternative recommendation.
Each (In a Box of 1000)
£0.583
(exc. VAT)
£0.70
(inc. VAT)
- RS Stock No.:
- 139-3488
- Mfr. Part No.:
- W21-R39JI
- Brand:
- Welwyn
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Welwyn | |
| Resistance | 390mΩ | |
| Power Rating | 3W | |
| Tolerance | ±5% | |
| Technology | Wire Wound | |
| Series | W20 | |
| Maximum Operating Temperature | +200°C | |
| Temperature Coefficient | ±200ppm/°C | |
| Minimum Operating Temperature | -55°C | |
Select all | ||
|---|---|---|
Brand Welwyn | ||
Resistance 390mΩ | ||
Power Rating 3W | ||
Tolerance ±5% | ||
Technology Wire Wound | ||
Series W20 | ||
Maximum Operating Temperature +200°C | ||
Temperature Coefficient ±200ppm/°C | ||
Minimum Operating Temperature -55°C | ||