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Specifications
Type:
Fuse Resistor
Resistance:
4.7Ω
Power(Watts):
1W
Temperature Coefficient:
±250ppm/℃
Operating Temperature:
-25℃~+155℃
Mfr. Part #:
RXF-1WS-4.7R-45mm-B-4-22
Package:
Through Hole,D3.5xL9mm
Key Attributes
Model Number:
RXF-1WS-4.7R-45mm-B-4-22
Product Description
Product Overview
The Changzhou Langjie Electronics Co., Ltd. Wirewound Fusible Resistor (RXF series) is designed for applications in home appliances, computers, information technology, and lighting. These resistors offer reliable performance with specified electrical and mechanical characteristics, adhering to RoHS standards.
Product Attributes
- Brand: Changzhou Langjie Electronics Co., Ltd.
- Product Type: Wirewound Fusible Resistor
- Series: RXF
- Certifications: RoHS compliant
- Material (Body): Japanese or German ceramic rod
- Material (Terminals): Tin-plated CP wire
- Coating: Grey flame-retardant insulating coating (800 resistant)
Technical Specifications
| Type | Rated Power | Resistance Range () | Tolerance | Max Operating Voltage (V) | Max Overload Voltage (V) | Temperature Coefficient (PPM/) | Lead Length (MM) | Body Diameter (D0.5 MM) | Body Length (L0.5 MM) | Wire Diameter (d0.05 MM) |
| RXF0.25W (0.5WS) | 0.25W | 0.1-150 | 5% (J), 2% (G), 10% (K) | 250 | 400 | 250 | 60 | 3 | 6.4 | 0.4 |
| RXF0.5W (1WS) | 0.5W | 0.1-510 | 5% (J), 2% (G), 10% (K) | 250 | 500 | 250 | 60 | 5 | 9 | 0.5 |
| RXF1W (2WS) | 1W | 0.1-510 | 5% (J), 2% (G), 10% (K) | 300 | 500 | 250 | 60 | 5 | 11 | 0.5 |
| RXF2W (3WS) | 2W | 0.1-510 | 5% (J), 2% (G), 10% (K) | 350 | 600 | 250 | 60 | 5 | 11 | 0.5 |
| Rated Power | Fuse Time (Seconds) for <2 | Fuse Time (Seconds) for 2-10 | Fuse Time (Seconds) for >10 | Operating Temperature Range () | Tensile Strength (kg) | Torsion Strength |
| RXF1/4W (1/2WS) | 16 | 60 | 60 | -25~155 | 1.5 (for 10s) | No breakage or loosening after test |
| RXF1/2W (1WS) | 16 | 60 | 60 | -25~155 | 1.5 (for 10s) | No breakage or loosening after test |
| RXF1W (2WS) | 16 | 60 | 60 | -25~155 | 1.5 (for 10s) | No breakage or loosening after test |
| RXF2W (3WS) | 16 | 60 | 60 | -25~155 | 1.5 (for 10s) | No breakage or loosening after test |
| Test Condition | Requirement | Resistance Change Limit |
| Short-time Overload (2.5x rated voltage for 5s) | No abnormality | 1% after 30 min cooling |
| Withstand Voltage (350V AC for 1 min or Max Overload Voltage for 1 min) | No abnormality or burn | 0.5% |
| Insulation Resistance (DC 500V) | 10000M | N/A |
| Damp Heat Life (402, 90-95% RH, 1.5h on/0.5h off for 500 hours) | No significant external change, easy to read | 5% |
| Load Life (70, 1.5h on/0.5h off for 1000 hours) | N/A | 5% |
| Solderability (Dipped in 2355 tin bath for 2s) | Solder covers >95% of terminal area | N/A |
| Solder Heat Resistance (Dipped in 2705 tin bath for 101s or 35010 for 3.50.5s) | N/A | 1% |
| Non-flammability (8x rated current for 5 min) | No open flame | N/A |
2401081415_LangJie-RXF-1WS-4-7R-45mm-B-4-22_C19189264.pdf
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