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| Categories | Precision Wirewound Resistor |
|---|---|
| Brand Name: | HUAXING |
| Model Number: | RXM71-3W |
| Place of Origin: | China |
| MOQ: | 1000 |
| Payment Terms: | T/T |
| Company Info. |
| Shaanxi Huaxing Technology Co.,Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
RXM71-3W Wirewound molded fixed resistor
Product Introduction:
Size:
| specifications and models | rated power(W) | resistance range(Q) | Size(mm) | ||
| L±0.5 | B±0.5 | d±0.05 | |||
| RXM71-3W | 3 | 0.15 ～ 1k | 15 | 5.2 | 0.8 |
Key Test Items:
| Test items: | Test conditions: | Performance requirements: | Test standards: |
| Insulation resistance | Voltage: 500Vdc, 1 minute, V-shaped block method | Insulation resistance: ≥10GΩ, no breakdown, no arcing | GB/T 5729-2003 Clause 4.6 |
| Voltage withstand | Voltage: 1W-5W; 500Vac, 10W; 1000Vac, 1 minute, V-shaped block method | ΔR ≤ ±(1%R + 0.05Ω) | GB/T 5729-2003 Clause 4.7 |
| Resistance change with temperature | Lower category temperature: (-55±3)°C Upper category temperature: (+155±2)°C | For resistances >10Ω: ±50ppm/°C | GB/T 5729-2003 Clause 4.8 |
| Overload | 10 times rated power load for 5 seconds | For resistances between 1Ω and 10Ω: ±100ppm/°C | GB/T 5732-1985 Clause 2.3.4 |
| Temperature rise | Ambient temperature: (15-30)°C, rated power | No specific requirement for resistances ≤ 1Ω | GB/T 5729-2003 Clause 4.14 |
| Terminal strength | Tensile strength: 20N, 10 seconds | ΔR ≤ ±(1%R + 0.05Ω) at ≤205°C | GB/T 2423.29-1999 |
| Solderability | Solder bath temperature: (235±5)°C, immersion time: (2±0.5) seconds | Uniformly tinned, free-flowing | GB/T 2423.28-2005 |
| Rapid temperature change | Temperature range: (-55 to +155)°C, 5 cycles | ΔR ≤ ±(1%R + 0.05Ω) | GB/T 2423.22-2012 |
| Shock resistance | Acceleration: 490m/s², time: 11ms, half sine wave | ΔR ≤ ±(1%R + 0.05Ω) | GB/T 2423.05-1995 |
| Vibration resistance | Frequency: (10-500)Hz, acceleration: 0.75mm or 98m/s², 6 hours | ΔR ≤ ±(1%R + 0.05Ω) | GB/T 2423.10-2008 |
| Room temperature durability | Ambient temperature: (15-30)°C, rated power, 1000 hours | ΔR ≤ ±(5%R + 0.1Ω) | GB/T 5729-2003 Clause 4.25 |
Power dissipation curve:
Ordering Example:
Model Number :RXM71-3W
Rated Power:3W
Nominal Resistance:10Ω
Resistance Tolerance:±5%
Quantity:1000 pieces
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