250W 0.01ohm - 68K ohm High Resistance Gold Aluminum Housed
Coiling Wire Wound Power Resistor
We also can make uncommon product per customers requirements.
Features:
Aluminum crust surface with good performance in heat radiation,
suitable for cooling plate installation, can be used in the
atrocious environment.
High capacity, encapsulation by non-flame inorganic Material, good
performance in vibration.
Multi connection form will be easily to fix.
High power and rugged,shock-proof
Good heat-sink
Low TCR,and good linearity
1, Resistance range: 0.01 ohm - 68K ohm
2, Power: 250W
3, Working Voltage: 1200V
4, Resistance tolerance: ±1%,±2%,±5%,±10%.
5, 100% original
6, Delivery on time
7, Competitive price;
8, Small size, high power load;
9, Suitable for .cooling plate installation, can be used in the
rugged environment;
10, High insulating capacity, encapsulation by non-flame inorganic
material;
11, Multi connection form will be easily to fix;
12, Firm structure and small volume
13, High-power, high-stability, aluminum radiator
14, Suitable for radiator panels, DC/AC lower frequency circuits
15, Accord with lead-free/RoHS request
Applications:
Power Supply
Inverter
Medical Equipment
Burn-in System
Automobile Braking System
Widely used in power supply, transducer, elevator,arena audio and
high requirement equipment industry etc..
Specifications Performance:
| Part No. | Power | Max Working Voltage | Max Loaded Voltage | Withstand Voltage |
| LRX250 | 250W | 1200V | 1200V | 1800V |
| Description | Power | Tolerance | Range |
LRX
Gold Aluminum Housed Wire-wound Resistors | 250W | ±1% ±5% ±10% | 0.01R-68K |
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 |
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 mi |
Contact Details:
Contact: Angel Sun
Tel: +86-13528847020
Email: Admin@winsunhk.cn
Skype: Angelsun618
Whatsapp: 13528847020
Wechat: 13528847020
QQ: 553695308
