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Specifications
Type:
Fuse Resistor
Resistance:
2.2Ω
Power(Watts):
1W
Temperature Coefficient:
±250ppm/℃
Operating Temperature:
-25℃~+155℃
Mfr. Part #:
RXF-1WS-2.2R-77mm-B-4-18
Package:
Through Hole,D3.5xL9mm
Key Attributes
Model Number:
RXF-1WS-2.2R-77mm-B-4-18
Product Description
Wirewound Fusible Resistors
This specification applies to wirewound resistors for household appliances, computers, information technology, and lighting. These resistors are designed to meet mechanical and electrical performance requirements under various operating conditions, including elevated temperatures and overloads. They are compliant with RoHS standards.
Product Attributes
- Brand: Changzhou Langjie Electronics Co., Ltd.
- Product Name: Wirewound Fusible Resistors
- Model Prefix: RXF
- Certification: RoHS compliant
- Base Material: Japanese and German ceramic rods
- Terminals: Tinned CP wire for electrical use
- Coating: Grey flame-retardant insulating coating (resistant to 800)
Technical Specifications
| Type | Rated Power (W) | Resistance Range () | Tolerance | Max. Operating Voltage (V) | Max. Overload Voltage (V) | Dielectric Strength (V) | Temperature Coefficient (PPM/) | Operating Temperature Range () |
|---|---|---|---|---|---|---|---|---|
| RXF 1/4W (0.5WS) | 0.25 | 0.1-150 | 5% (default), 2% (G), 10% (K) | 250 | 400 | 300 | 250 | -25 to 155 |
| RXF 1/2W (1WS) | 0.5 | 0.1-510 | 5% (default), 2% (G), 10% (K) | 250 | 500 | 350 | 250 | -25 to 155 |
| RXF 1W (2WS) | 1 | 0.1-510 | 5% (default), 2% (G), 10% (K) | 250 | 500 | 400 | 250 | -25 to 155 |
| RXF 2W (3WS) | 2 | 0.1-510 | 5% (default), 2% (G), 10% (K) | 250 | 600 | 500 | 250 | -25 to 155 |
| Type | Rated Power (W) | Body Diameter (mm) | Body Length (mm) | Lead Wire Diameter (mm) | Lead Wire Length (mm) |
|---|---|---|---|---|---|
| RXF 0.25W (0.5WS) | 0.25 | 3 0.5 | 6.4 0.5 | 0.4 0.05 | 5 |
| RXF 0.5W (1WS) | 0.5 | 5 0.5 | 9 0.5 | 0.5 0.05 | 0 |
| RXF 1W (2WS) | 1 | 5 0.5 | 11 0.5 | 0.5 0.05 | 5 |
| Rated Power (W) | Fuse Time (sec) for <2 | Fuse Time (sec) for 2-10 | Fuse Time (sec) for >10 |
|---|---|---|---|
| RXF 1/4W (0.5WS) | 16 | 60 | 60 |
| RXF 1/2W (1WS) | 25 | 60 | 30 |
| RXF 1W (2WS) | 36 | 30 | 15 |
| RXF 2W (3WS) | - | - | - |
Important Notes
To prevent the risk of galvanic corrosion (approximately 10ppm failure rate after one year of use), when ambient temperature and humidity exceed 85/85%, usage must be limited to below 50V.
2401081414_LangJie-RXF-1WS-2-2R-77mm-B-4-18_C19189255.pdf
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