Wirewound Fusible Resistors
Wirewound fusible resistors designed for applications in home appliances, computers, information technology, and lighting. These resistors offer reliable performance and meet stringent technical specifications for various electrical and mechanical requirements.
Product Attributes
- Brand: Changzhou Langjie Electronic Co., Ltd.
- Product Type: Wirewound Fusible Resistors
- Series: RXF
- Certifications: RoHS compliant
- Materials: Japanese/German ceramic rod (substrate), tinned CP wire (terminals), grey flame-retardant insulating coating (coating)
Technical Specifications
| Type | Rated Power (W) | Resistance Range () | Tolerance | Max Operating Voltage (V) | Max Overload Voltage (V) | Dielectric Strength (V) | Temperature Coefficient (PPM/) |
|---|---|---|---|---|---|---|---|
| RXF1/4W (0.5WS) | 0.25 | 0.1-150 | 5% (J), 2% (G), 10% (K) | 250 | 400 | 300 | 250 |
| RXF1/2W (1WS) | 0.5 | 0.1-510 | 5% (J), 2% (G), 10% (K) | 250 | 500 | 350 | 250 |
| RXF1W (2WS) | 1 | 0.1-510 | 5% (J), 2% (G), 10% (K) | 300 | 500 | 400 | 250 |
| RXF2W (3WS) | 2 | 0.1-510 | 5% (J), 2% (G), 10% (K) | 350 | 600 | 500 | 250 |
| Type | Total Length (MM) | Body Diameter (D0.5 MM) | Body Length (L0.5 MM) | Lead Diameter (d0.05 MM) | Operating Temperature Range () |
|---|---|---|---|---|---|
| RXF0.25W (0.5WS) | 60 | 3 | 6.4 | 0.4 | -25~155 |
| RXF0.5W (1WS) | 60 | 5 | 9 | 0.5 | -25~155 |
| RXF1W (2WS) | 60 | 5 | 11 | 0.5 | -25~155 |
| Characteristic | Specification |
|---|---|
| Tensile Strength | 1.5kg for 10 seconds without detachment or loosening. |
| Torsion Strength | No breakage or loosening after specified twisting procedure. |
| Short-time Overload | Withstand 2.5x rated voltage for 5 seconds; resistance change within 1% after cooling. |
| Withstand Voltage | 350V AC for 1 minute or max overload voltage for 1 minute; no abnormality or burn; resistance change within 0.5%. |
| Insulation Resistance | 10000M (DC 500V). |
| Damp Heat Life | Resistance change within 5% after 500 hours at 402, 90-95% RH. |
| Load Life | Resistance change within 5% after 1000 hours at 70. |
| Solderability | Solder covers 95% of terminal area after immersion in 2355 tin bath for 2 seconds. |
| Solder Heat Resistance | Resistance change within 1% after immersion in 2705 tin bath for 101 seconds (or 35010 for 3.50.5 seconds). |
| Non-flammability | No open flame when subjected to 8x rated current for 5 minutes. |
| Usage Precautions | Limit to below 50V when ambient temperature and humidity exceed 85/85% to avoid galvanic corrosion. |
2401081414_LangJie-RXF-1WS-47R-70mm-B-5-5-30-5_C19189262.pdf
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