Building Materials

5W-500W High Stability Wirewound Power Resistor with Gold Aluminum Housed

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We also can make uncommon product per customers requirements.

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Features:

1, Resistance range: 0.01~82K?ohms

2, Power range:5W~500W

3, Working Voltage: 350V~1600V

4,?Resistance tolerance: ±1%,±2%,±5%,±10%.

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Description | Power | Tolerance | Range |
LRX Gold Aluminum Housed Wire-wound Resistors | 5W,10W,25W,30W,50W,75W,100W,150W,200W,300W,500W | ±1% ±5% ±10% | 1R-100K |
TRX Trapezium Aluminum Housed Wire-wound Resistors | 40W 60W 80W 100W 120W,150w,200w,300w,400w,500w,600w,800w,1000w | ±1% ±5% ±10% | 1R-100K |
CRX Boat Type Aluminum Housed Wire-wound Resistors | 50W 100W 150W | ±1% ±5% ±10% | 1R-100K |
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Part No. | Power | Max.working Voltage | Max.overload Voltage | Withstand Voltage |
LRX05B | 5W | 350V | 350V | 500V |
LRX10B | 10W | 150V | 150V | 600V |
LRX25B | 25W | 200V | 200V | 800V |
LRX30B | 30W | 220V | 220V | 800V |
LRX50B | 50W | 300V | 300V | 800V |
LRX75B | 75W | 400V | 400V | 1000V |
LRX100 | 100W | 600V | 600V | 1000V |
LRX150 | 150W | 800V | 800V | 1200V |
LRX200 | 200W | 1000V | 1000V | 1500V |
LRX250 | 250W | 1200V | 1200V | 1800V |
LRX300 | 300W | 1500V | 1500V | 2200V |
LRX500 | 500W | 1600V | 1600V | 2300V |
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Performance Test:

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Test Item | Test Condition | Performance |
Temperature coefficient | Test the resistance value at normal temperature added 100℃,calculate per ℃ resistance value rate. | ±300ppm/℃ |
Short time overload | According 10 times rated power to account the voltage or max .overload voltage (get the lower)for 5 seconds. | ΔR≤±(2%R0+0.05Ω) |
Resistance to soldering heat | Immerge into the 350±10℃ tin stove for 2~3 seconds. | ΔR≤±(1%R0+0.05Ω) |
Solderability | Immerge into the 245±3℃ tin stove for 2~3 seconds. | The area of soldering is over 95% |
Temperature cycling | At -55℃ for 30 min,then at +25℃ for 10~15 min,then at +275℃ for 30 min,then at +25℃ for 10~15min, total 5 cycles. | ΔR≤±(1%R0+0.05Ω) |
Load life in humidity | Overload rated voltage or Max. working voltage(get the lower) for 1000 hours (1.5 hours on and half-hours off) at the 40±2℃ and 90~95% relative humidity. | ΔR≤±(5%R0+0.05Ω) |
Load life in heat | Overload rated voltage or Max. working voltage(get the lower)m for 1000 hours (1.5 hours on and half-hours off) at the 70±2℃. | ΔR≤±(5%R0+0.05Ω) |
Terminal strength | Pull:10N | ΔR≤±(2%R0+0.1Ω) |
Vibration | Frequency:10~55Hz,Swing:0.75mm,Test time:6Hours | ΔR≤±(2%R0+0.1Ω) |
Nonflammability | Respectively load AC voltage by5,10,16 times rated power for 5 mi |
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