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 Name: Wirewound Fusible Resistor
- Model Series: RXF
- Certifications: RoHS compliant
- Material: Ceramic rod substrate (Japan/Germany), Tinned copper clad steel wire terminals, Flame retardant insulating coating (800 resistance)
- Color: Gray coating
Technical Specifications
| Type | Rated Power | Resistance Range () | Tolerance | Max Operating Voltage (V) | Max Overload Voltage (V) | Temperature Coefficient (PPM/) | Insulation Voltage (V) | Fusing Time (sec) @ Rated Power Multiples |
| RXF1/4W (0.5WS) | 0.25W | 0.1-150 | 5% (default), 2% (G), 10% (K) | 250 | 400 | 250 | 300 | <2: 16, 2-10: 60, >10: 60 |
| RXF1/2W (1WS) | 0.5W | 0.1-510 | 5% (default), 2% (G), 10% (K) | 250 | 500 | 250 | 350 | <2: 25, 2-10: 30, >10: 30 |
| RXF1W (2WS) | 1W | 0.1-510 | 5% (default), 2% (G), 10% (K) | 300 | 500 | 250 | 400 | <2: 36, 2-10: 15, >10: 15 |
| RXF2W (3WS) | 2W | 0.1-510 | 5% (default), 2% (G), 10% (K) | 350 | 600 | 250 | 500 | <2: 36, 2-10: 15, >10: 15 |
| Type | D0.5 (mm) | L0.5 (mm) | H3 (mm) | d0.05 (mm) | Total Length (MM) | Lead Spacing (mm) | Termination Exposure (mm) |
| RXF0.25W (0.5WS) | 3 | 6.4 | 0.4 | / | 60 | LS: 3.5, WS: M0/M1/M2 | 2 x 5.0 |
| RXF0.5W (1WS) | 5 | 9 | 0.5 | / | 60 | LS: 3.5, WS: M1/M2/M3 | 2 x 5.0 |
| RXF1W (2WS) | 5 | 11 | 0.5 | / | 60 | LS: 3.5, WS: M2/M3 | 2 x 5.0 |
| Feature | Specification |
| Operating Temperature Range | -25 to 155 |
| Tensile Strength | 1.5kg for 10 seconds |
| Torsion Strength | 360 rotation (twice) without breakage/loosening |
| Short-time Overload | 2.5x rated voltage for 5 seconds, resistance change within 1% after cooling |
| Withstand Voltage | 350V AC for 1 minute / Max overload voltage for 1 minute, no abnormality, resistance change within 0.5% |
| Insulation Resistance | 10000 M (DC 500V) |
| Damp Heat Life | 5% resistance change after 500 hours at 402, 90-95% RH |
| Load Life | 5% resistance change after 1000 hours at 70 |
| Solderability | 95% coverage after dipping at 2355 for 2 seconds |
| Solder Heat Resistance | 1% resistance change after dipping at 2705 for 101 sec (or 35010 for 3.50.5 sec) |
| Non-flammability | No open flame when subjected to 8x rated current for 5 minutes |
| Usage Precaution | For ambient temperature/humidity >85/85%, limit usage to below 50V to prevent galvanic corrosion. |
2401081414_LangJie-RXF-1WS-10R-60mm-B-4-24_C19189231.pdf
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