Product Overview
The Changzhou Langjie Electronics Co., Ltd. Wirewound Fusible Resistor series (RXF) is designed for applications in home appliances, computers, information technology, and lighting. These resistors offer reliable performance with specifications covering various power ratings, resistance values, and tolerances.
Product Attributes
- Brand: Changzhou Langjie Electronics Co., Ltd.
- Product Type: Wirewound Fusible Resistor
- Certifications: RoHS compliant
- Material (Body): Ceramic rod (Japan/Germany manufactured)
- Material (Terminals): Tin-plated CP wire (electrical grade)
- Coating: Gray flame-retardant insulating coating (800 resistant)
- Marking: 5 color bands (resistance value, tolerance, identification code)
Technical Specifications
| Type | Rated Power | Resistance Range (Ω) | Tolerance | Max Operating Voltage (V) | Max Overload Voltage (V) | Dielectric Strength (V) | Temperature Coefficient (PPM/°C) | Fuse Time (<2Ω, sec) | Fuse Time (2-10Ω, sec) | Fuse Time (>10Ω, sec) |
| RXF 1/4W (0.5WS) | 0.25W | 0.1-150 | ±2% (G), ±5% (J), ±10% (K) | 250 | 400 | 300 | 250 | 16 | 60 | 60 |
| RXF 1/2W (1WS) | 0.5W | 0.1-510 | ±2% (G), ±5% (J), ±10% (K) | 250 | 500 | 350 | 250 | 16 | 60 | 60 |
| RXF 1W (2WS) | 1W | 0.1-510 | ±2% (G), ±5% (J), ±10% (K) | 300 | 500 | 400 | 250 | 16 | 30 | 30 |
| RXF 2W (3WS) | 2W | 0.1-510 | ±2% (G), ±5% (J), ±10% (K) | 350 | 600 | 500 | 250 | 16 | 30 | 30 |
| Type | Body Diameter (D±0.5mm) | Body Length (L±0.5mm) | Height (H±3mm) | Lead Diameter (d±0.05mm) | Operating Temperature Range (°C) | Tensile Strength (kg) | Torsional Strength |
| RXF 0.25W (0.5WS) | 3 | 6.4 | 0.4 | / 5 | -25~155 | 1.5 | No breakage/loosening |
| RXF 0.5W (1WS) | 5 | 9 | 0.5 | / 0 | -25~155 | 1.5 | No breakage/loosening |
| RXF 1W (2WS) | 5 | 11 | 0.5 | / 5 | -25~155 | 1.5 | No breakage/loosening |
| Feature | Specification |
| Solderability | Solder covers >95% of terminal area after dipping |
| Solder Heat Resistance | Resistance change ≤±1% after soldering |
| Non-flammability | No open flame when subjected to 8x rated current for 5 min |
| Insulation Resistance | ≥10000MΩ (DC 500V) |
| Damp Life Test | Resistance change ≤±5% after 500 hours at 40±2°C, 90-95% RH |
| Load Life Test | Resistance change ≤±5% after 1000 hours at 70°C |
| Short-time Overload | No abnormalities when subjected to 2.5x rated voltage for 5 sec; resistance change ≤±1% after cooling |
| Withstand Voltage | No abnormalities/burnout when subjected to 350V AC for 1 min or max overload voltage for 1 min; resistance change ≤±0.5% |
2401081414_LangJie-RXF-0-5WS-4-7R-60mm-B-4-25_C19189301.pdf
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