Product Overview
The Welwyn ULW2 Series are axial leaded UL recognised wirewound resistors. Resistance range includes E24 decade values from 4.7ohm to 100 ohm.
- Isolation voltage of 250V
- Power rating at 25°C is 2W
- Available in 5% tolerance
- Temperature coefficient of resistance ±200ppm/°C
- Operating temperature range from -55°C to +155°C
- UL1412 recognised fusible resistor
- Failsafe mains fusing at 120 / 240Vrms
- Inrush and surge withstanding
Product details
| Resistance |
68ohm |
| Power Rating |
2W |
| Resistor Case / Package |
Axial Leaded |
| Resistor Technology |
Wirewound |
| Resistor Type |
Flame Proof |
| Product Length |
9mm |
| Operating Temperature Min |
-55°C |
| Qualification |
- |
| Product Range |
ULW Series |
| Resistance Tolerance |
± 5% |
| Voltage Rating |
250V |
| Temperature Coefficient |
± 200ppm/°C |
| Product Diameter |
3.8mm |
| Product Width |
- |
| Operating Temperature Max |
155°C |
| SVHC |
No SVHC (04-Feb-2026) |
Other details
| Brand |
TT ELECTRONICS / WELWYN |
| Part Number |
ULW2-68RJA25 |
| Quantity |
Each |
| Technical Data Sheet (956.77KB) EN |
View or download |
| Product Change Notice (242.94KB) EN |
View or download |
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