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)*
£6.13
(exc. VAT)
£7.355
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- 1,000 unit(s) shipping from 04 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 | £1.226 | £6.13 |
| 50 - 95 | £1.138 | £5.69 |
| 100 - 245 | £1.066 | £5.33 |
| 250 - 495 | £1.018 | £5.09 |
| 500 + | £0.908 | £4.54 |
*price indicative
Alternative
This product is not currently available. Here is our alternative recommendation.
Each (In a Box of 1000)
£0.574
(exc. VAT)
£0.689
(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 | ||
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