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Specifications
Type:
Fuse Resistor
Resistance:
47Ω
Power(Watts):
1W
Temperature Coefficient:
±250ppm/℃
Operating Temperature:
-25℃~+155℃
Mfr. Part #:
RXF-1WS-47R-70mm-B-4-21
Package:
Through Hole,D3.5xL9mm
Key Attributes
Model Number:
RXF-1WS-47R-70mm-B-4-21
Product Description
Wirewound Fusible Resistors
This specification applies to wirewound resistors for home appliances, computers, information technology, and lighting. They are designed to meet mechanical and electrical performance requirements under various operating conditions, including elevated temperatures and overload scenarios. The resistors are RoHS compliant.
Product Attributes
- Brand: Changzhou Langjie Electronics Co., Ltd.
- Product Type: Wirewound Fusible Resistors
- Certifications: RoHS compliant
- Material (Body): Japanese or German ceramic rod
- Material (Terminals): Tin-plated CP wire for electrical use
- Coating: Grey flame-retardant insulating coating (800 resistant)
- Color Code: 5 distinct color bands (resistance value, tolerance, identification)
Technical Specifications
| Type | Rated Power | Resistance Range () | Max Operating Voltage (V) | Max Overload Voltage (V) | Dielectric Strength (V) | Temperature Coefficient (PPM/) | Operating Temperature Range () |
|---|---|---|---|---|---|---|---|
| RXF 1/4W (0.5WS) | 0.25W | 0.1-150 | 250 | 400 | 300 | 250 | -25 to 155 |
| RXF 1/2W (1WS) | 0.5W | 0.1-510 | 250 | 500 | 350 | 250 | -25 to 155 |
| RXF 1W (2WS) | 1W | 0.1-510 | 300 | 500 | 400 | 250 | -25 to 155 |
| RXF 2W (3WS) | 2W | 0.1-510 | 350 | 600 | 500 | 250 | -25 to 155 |
| Type | Rated Power | Fuse Time (sec) <2 | Fuse Time (sec) 2-10 | Fuse Time (sec) >10 | Short-time Overload (2.5x Rated Voltage for 5s) | Dielectric Strength (AC 500V for 1min) | Insulation Resistance (DC 500V) | Solder Adhesion (>95%) | Solder Heat Resistance (1%) | Non-flammability (8x Rated Current for 5min) |
|---|---|---|---|---|---|---|---|---|---|---|
| RXF 1/4W (0.5WS) | 0.25W | 16 | 60 | 60 | No abnormality, resistance change within 1% after cooling | No abnormality or burning, resistance change within 0.5% | 10000M | Yes | Yes | No open flame |
| RXF 1/2W (1WS) | 0.5W | 16 | 60 | 60 | No abnormality, resistance change within 1% after cooling | No abnormality or burning, resistance change within 0.5% | 10000M | Yes | Yes | No open flame |
| RXF 1W (2WS) | 1W | 25 | 60 | 30 | No abnormality, resistance change within 1% after cooling | No abnormality or burning, resistance change within 0.5% | 10000M | Yes | Yes | No open flame |
| RXF 2W (3WS) | 2W | 36 | 30 | 15 | No abnormality, resistance change within 1% after cooling | No abnormality or burning, resistance change within 0.5% | 10000M | Yes | Yes | No open flame |
| Type | Wattage | Total Length (MM) | Body Diameter (D0.5 MM) | Body Length (L0.5 MM) | Lead Diameter (d0.05 MM) | Tolerance | Processing/Packaging | Lead Exposure (MM) | Forming Method |
|---|---|---|---|---|---|---|---|---|---|
| RXF 0.25W (0.5WS) | 0.25W | 60 | 3 | 6.4 | 0.4 | J (5%) | T/B/P | -5-20 | LS/WS5.0 |
| RXF 0.5W (1WS) | 0.5W | - | 5 | 9 | 0.5 | J (5%) | T/B/P | 0-0 | LS/WS5.0 |
| RXF 1W (2WS) | 1W | - | 5 | 11 | 0.5 | J (5%) | T/B/P | 5-5 | LS/WS5.0 |
2401081414_LangJie-RXF-1WS-47R-70mm-B-4-21_C19189261.pdf
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