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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-90mm-B-4-25
Package:
Through Hole,D3.5xL9mm
Key Attributes
Model Number:
RXF-1WS-4.7R-90mm-B-4-25
Product Description
Wirewound Fusible Resistors
Wirewound fusible resistors designed for applications in home appliances, computers, information technology, and lighting. These resistors offer reliable performance with specific electrical and mechanical characteristics.
Product Attributes
- Brand: Changzhou Langjie Electronics Co., Ltd.
- Product Name: Wirewound Fusible Resistors
- Certifications: RoHS compliant
Technical Specifications
| Type | Rated Power | Resistance Range () | Tolerance | Max Operating Voltage (V) | Max Overload Voltage (V) | Dielectric Strength (V) | Temperature Coefficient (PPM/) | Fuse Time (sec) (Rated Power Multiples) | Short Time Overload | Insulation Resistance (M) | Load Life (Hours) | Solder Adhesion | Solder Heat Resistance | Non-flammability |
| RXF1/4W (1/2WS) | 0.25W | 0.1-150 | 5% (Default) / G=2%; J=5%; K=10% | 250 | 250 | 400 | 250 | <2: 16 / 2-10: 60 / >10: 60 | 2.5x Rated Voltage for 5s, within 1% after cooling | 10000 | 1000 | 95% coverage | 1% change after 10s at 2705 | No open flame with 8x rated current for 5 min |
| RXF1/2W (1WS) | 0.5W | 0.1-510 | 5% (Default) / G=2%; J=5%; K=10% | 250 | 250 | 500 | 250 | <2: 16 / 2-10: 60 / >10: 60 | 2.5x Rated Voltage for 5s, within 1% after cooling | 10000 | 1000 | 95% coverage | 1% change after 10s at 2705 | No open flame with 8x rated current for 5 min |
| RXF1W (2WS) | 1W | 0.1-510 | 5% (Default) / G=2%; J=5%; K=10% | 250 | 300 | 500 | 250 | <2: 16 / 2-10: 60 / >10: 60 | 2.5x Rated Voltage for 5s, within 1% after cooling | 10000 | 1000 | 95% coverage | 1% change after 10s at 2705 | No open flame with 8x rated current for 5 min |
| RXF2W (3WS) | 2W | 0.1-510 | 5% (Default) / G=2%; J=5%; K=10% | 250 | 350 | 600 | 250 | <2: 16 / 2-10: 60 / >10: 60 | 2.5x Rated Voltage for 5s, within 1% after cooling | 10000 | 1000 | 95% coverage | 1% change after 10s at 2705 | No open flame with 8x rated current for 5 min |
| Type | Dimensions (mm) D0.5 | Dimensions (mm) L0.5 | Dimensions (mm) H3 | Dimensions (mm) d0.05 | Body Material | Terminal Material | Coating Material | Marking |
| RXF0.25W (0.5WS) | 3 | 6.4 | 0.4 | / 5 | Ceramic rod (Japan/Germany) | Tinned CP wire | Gray flame-retardant insulating coating (800 resistant) | 5 color bands (Resistor value, Tolerance, Identification) |
| RXF0.5W (1WS) | 5 | 9 | 0.5 | / 0 | Ceramic rod (Japan/Germany) | Tinned CP wire | Gray flame-retardant insulating coating (800 resistant) | 5 color bands (Resistor value, Tolerance, Identification) |
| RXF1W (2WS) | 5 | 11 | 0.5 | / 5 | Ceramic rod (Japan/Germany) | Tinned CP wire | Gray flame-retardant insulating coating (800 resistant) | 5 color bands (Resistor value, Tolerance, Identification) |
Operating Temperature Range: -25 to 155
Mechanical Strength:
- Tensile Strength: 1.5kg load for 10 seconds without detachment or loosening.
- Torsion Strength: Withstand specified twisting without breakage or loosening.
Other Specifications:
- WS Type Dimensions (mm): Form M0, M1, M2, M3 with corresponding A and B dimensions.
- LS Type Dimensions (mm): Applicable for 1W and 2W with specified L, D, and A+1/-0.5 dimensions.
- Taping Dimensions (mm): T-52 and T-6 types with specified A, B, C, D, E dimensions.
- Box Dimensions (mm): T-52 and T-6 types with specified QTY PER BOX, a, b, c dimensions.
- Reel Dimensions (mm): T-52 and T-6 types with specified QTY PER REEL, A, B, C, D, E, F dimensions.
Precautions: To prevent electrocorrosion risk (approx. 10ppm failure rate after one year), limit usage to below 50V when ambient temperature and humidity exceed 85/85%.
2401081415_LangJie-RXF-1WS-4-7R-90mm-B-4-25_C19189273.pdf
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