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Specifications
Type:
Fuse Resistor
Resistance:
33Ω
Power(Watts):
2W
Temperature Coefficient:
±250ppm/℃
Operating Temperature:
-25℃~+155℃
Mfr. Part #:
RXF-2WS-33R-70mm-B-4-21
Package:
Through Hole,D4.5xL11mm
Key Attributes
Model Number:
RXF-2WS-33R-70mm-B-4-21
Product Description
Wirewound Fusible Resistors
This specification applies to wirewound resistors for home appliances, computers, information technology, and lighting. These resistors are designed to meet mechanical and electrical performance requirements under specified conditions, including temperature derating.
Product Attributes
- Brand: Changzhou Langjie Electronics Co., Ltd.
- Product Type: Wirewound Fusible Resistors (RXF series)
- Certifications: RoHS compliant
- Materials: Ceramic rod (Japan/Germany), tinned CP wire terminals, flame-retardant insulating coating (gray, 800 resistant)
Technical Specifications
| Type | Rated Power (W) | Resistance Range () | Tolerance | Max Operating Voltage (V) | Max Overload Voltage (V) | Dielectric Strength (V) | Temperature Coefficient (PPM/) | Dimensions (D0.5 x L0.5 x H3) (mm) |
|---|---|---|---|---|---|---|---|---|
| RXF 1/4W (0.5WS) | 0.25 | 0.1-150 | J (5%) | 250 | 400 | 300 | 250 | 3 x 6.4 x 3 |
| RXF 1/2W (1WS) | 0.5 | 0.1-510 | J (5%) | 250 | 500 | 350 | 250 | 5 x 9 x 5 |
| RXF 1W (2WS) | 1 | 0.1-510 | J (5%) | 300 | 500 | 400 | 250 | 5 x 11 x 5 |
| RXF 2W (3WS) | 2 | 0.1-510 | J (5%) | 350 | 600 | 500 | 250 | - |
| Type | Lead Diameter (d0.05) (mm) | Operating Temperature Range () | Tensile Strength (kg) | Torsional Strength | Short-time Overload | Withstand Voltage (V AC) | Insulation Resistance (M) | Solderability (%) | Solder Heat Resistance |
|---|---|---|---|---|---|---|---|---|---|
| RXF 1/4W (0.5WS) | 0.4 | -25 to 155 | 1.5kg for 10s | No breakage/looseness | 2.5x rated voltage for 5s | 350V AC for 1min | >10000 | >95% | 1% resistance change after 2705/10s dip |
| RXF 1/2W (1WS) | 0.5 | -25 to 155 | 1.5kg for 10s | No breakage/looseness | 2.5x rated voltage for 5s | 350V AC for 1min | >10000 | >95% | 1% resistance change after 2705/10s dip |
| RXF 1W (2WS) | 0.5 | -25 to 155 | 1.5kg for 10s | No breakage/looseness | 2.5x rated voltage for 5s | 350V AC for 1min | >10000 | >95% | 1% resistance change after 2705/10s dip |
| RXF 2W (3WS) | 0.5 | -25 to 155 | 1.5kg for 10s | No breakage/looseness | 2.5x rated voltage for 5s | 350V AC for 1min | >10000 | >95% | 1% resistance change after 2705/10s dip |
| Test | Condition | Requirement |
|---|---|---|
| Endurance Test (Load Life) | 70, rated voltage, 1.5h ON/0.5h OFF cycle for 1000 hours | Resistance change within 5% |
| Damp Heat Test (Humidity Life) | 402, 90-95% RH, rated power, 1.5h ON/0.5h OFF cycle for 500 hours | Resistance change within 5%, no significant visual change |
| Non-flammability | 8x rated current for 5 minutes | No open flame |
2401081415_LangJie-RXF-2WS-33R-70mm-B-4-21_C19189281.pdf
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