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Specifications
Type:
Fuse Resistor
Resistance:
33Ω
Power(Watts):
1W
Temperature Coefficient:
±250ppm/℃
Operating Temperature:
-25℃~+155℃
Mfr. Part #:
RXF-1WS-33R-45mm-B-4-13
Package:
Through Hole,D3.5xL9mm
Key Attributes
Model Number:
RXF-1WS-33R-45mm-B-4-13
Product Description
Wirewound Fusible Resistors
This specification is for wirewound resistors used in home appliances, computers, information technology, and lighting. They are designed to meet mechanical and electrical performance requirements under various temperature conditions and offer specific fusing characteristics.
Product Attributes
- Brand: Changzhou Langjie Electronics Co., Ltd.
- Product Name: Wirewound Fusible Resistors
- Series: RXF
- Certifications: RoHS compliant
- Base Material: Japanese and German ceramic rods
- Terminals: Tinned CP wire for electrical use
- Coating: Grey flame-retardant insulating coating (800 resistant)
Technical Specifications
| Type | Rated Power (W) | Resistance Range () | Max Operating Voltage (V) | Max Overload Voltage (V) | Dielectric Strength (V) | Temperature Coefficient (PPM/) |
|---|---|---|---|---|---|---|
| RXF1/4W (0.5WS) | 0.25 | 0.1-150 | 250 | 400 | 300 | 250 |
| RXF1/2W (1WS) | 0.5 | 0.1-510 | 250 | 500 | 350 | 250 |
| RXF1W (2WS) | 1 | 0.1-510 | 250 | 500 | 400 | 250 |
| RXF2W (3WS) | 2 | 0.1-510 | 250 | 600 | 500 | 250 |
| Type | Rated Power (W) | Dimensions (D0.5 x L0.5 x H3) mm | Lead Diameter (d0.05) mm |
|---|---|---|---|
| RXF0.25W (0.5WS) | 0.25 | 3 x 6.4 x 0.4 | 0.4 / 0.5 |
| RXF0.5W (1WS) | 0.5 | 5 x 9 x 0.5 | 0.5 / 0.5 |
| RXF1W (2WS) | 1 | 5 x 11 x 0.5 | 0.5 / 0.5 |
| Characteristic | Condition | Requirement |
|---|---|---|
| Tensile Strength | 1.5kg force for 10 seconds | No detachment or loosening |
| Torsional Strength | 360 rotation (twice) | No breakage or loosening |
| Short-time Overload | 2.5x rated voltage for 5 seconds | No abnormalities; resistance change within 1% after cooling |
| Withstand Voltage | 350V AC for 1 minute / Max overload voltage for 1 minute | No abnormalities or burnout; resistance change within 0.5% |
| Insulation Resistance | DC 500V | 10000M |
| Damp Heat Life | 402, 90-95% RH, 500 hours (1.5h on/0.5h off cycle) | Resistance change within 5%; no significant visual change |
| Load Life | 70, 1000 hours (1.5h on/0.5h off cycle) | Resistance change within 5% |
| Solderability | Immersion in 2355 tin bath for 2 seconds | Solder coverage 95% |
| Solder Heat Resistance | Immersion in 2705 tin bath for 101 sec (or 35010 for 3.50.5 sec) | Resistance change within 1% |
| Non-flammability | 8x rated current for 5 minutes | No open flame |
2401081414_LangJie-RXF-1WS-33R-45mm-B-4-13_C19189256.pdf
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