
This 1.21K ohm, 5% tolerance, wirewound resistor is designed for through-hole mounting. It has a maximum voltage rating of 1050 volts and operates reliably between -55°C and 250°C. The resistor measures 45.2mm in length and 9.5mm in diameter, with a 1mm lead diameter and 25.4mm lead length. It is available in a silicone case style and is not a fail-safe fusible resistor.
Riedon UB-15 1K21 5% T/R technical specifications.
| Mounting | Through Hole |
| Termination Style | Axial |
| Product Length (mm) | 45.2 |
| Product Diameter (mm) | 9.5 |
| Number of Terminals | 2 |
| Lead Diameter (mm) | 1 |
| Lead Length (mm) | 25.4 |
| Resistance Value | 1.21KOhm |
| Tolerance | 5% |
| Max Voltage Rating | 1050V |
| Technology | Wirewound |
| Min Operating Temperature | -55°C |
| Max Operating Temperature | 250°C |
| Case Style | Silicone |
| Fail Safe Fusible Resistor | No |
| Cage Code | 1RST4 |
| EU RoHS | Yes |
| HTS Code | 8533210080 |
| Schedule B | 8533210080 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
Download the complete datasheet for Riedon UB-15 1K21 5% T/R to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.