10 ohm 40w 50w 1500w LRX Wire wound Variable Power Resistor
LRX Gold aluminum housed wirewound power resistors
Features
1,Aluminum crust furface with good performance in heat radiatin, suitbale for cooling plate installation, can be used in the atrocious environment.
2,Small size, high power load.
3,High insulting capacity, encapsulation by non-flame inorganic Material, good performance in vibration.
4,Multi connection form will be easily to fix.
5,Widly used in power supply, Transducer, Elevator,Arena audio and high requirement equipment industry.
6,Resistance tolerance:±1%, ±2% ±5%, ±10%
Power:5W,10W,25W,30W,50W,75W,100W,150W,200W,250W,300W,500W
Tolerance: ±1%, ±2% ±5%, ±10%
Range:1R-100K
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 |
Part No. | Power | ing 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 |
Performance Test:
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 min. |
No visible flame |
Part No. Regulation:
LRX | 50B | J | 0 | AL01 | 10R00 | |
Product Name |
Power |
Tol. |
Special Code |
Forming |
Ohm | |
Gold Aluminum Housed Wirewound Resistors | 05B=5W 25B=25W 50B=50W 100=100W 200=200W 300=300W | 10B=10W 30B=30W 75B=75W 150=150W 250=250W 300=300W | F=±1% G=±2% J=±5% K=±10% |
|
| 0R100=0.1Ω 0R220=0.22Ω 10R00=10Ω 100R0=100Ω 10K00=10KΩ |