Boat Type Aluminum Housed High Power Resistor Features: 1.Aluminum crust surface with good performance in heat radiation, suitable for cooling plate installation, can be used in the atrocious environment . 2.Small size, high power load. 3.High insulating capacity, encapsulation by non-flame inorganic material good performance in vibration.
Boat Type Aluminum Housed High Power Resistor
Product |
Boat Type Aluminum Housed High Power Resistor |
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Features |
1.Aluminum crust surface with good performance in heat radiation, suitable for cooling plate installation, can be used in the atrocious environment . 3.High insulating capacity, encapsulation by non-flame inorganic material good performance in vibration.
4.Multi connection form will be easily to fix . 6.Resistance tolerance:±1%,±2%,±5%,±10%. |
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Test Item |
Test Condition |
Performance |
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Temperature Coefficient |
The resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate. |
±300ppm/°C |
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Short Time overload |
10×rated voltage or Max. overload voltage(get the lower) for 5 seconds. |
R≤±(2%+0.05Ω) |
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Resistance to soldering Heat |
Immerge into the 350±10°C tin stove for 2~3seconds. |
R≤±(1%+0.05Ω) |
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Solderability |
Immerge into the 245±3°C tin stove for 2~3seconds. |
The soldering area is over95% |
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Temperature cycling |
At -55°C for 30 min. ,then at+25°C for 10~15°C,then at +125°C for 30 min., then at +25°C for 10~15 min., total 5cycles. |
R≤±(1%+0.05Ω) |
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Load life in humidity |
Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 40±2°C and 90~95% relative humidity. |
R≤±(5%+0.05Ω) |
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Load life in heat |
Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 70±2°C. |
R≤±(5%+0.05Ω) |
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Terminal strength |
Pull :10N |
R≤±(2%+0.1Ω) |
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Vibration |
Frequency :10~55Hz. |
R≤±(2%+0.1Ω) |
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Nonflammability |
Respectively load AC voltage by5,10,16times rated power for 5 minutes. |
No visible flame |
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Specifications and Dimensions |
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Part No. |
Power |
Resistance Range |
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Max. |
Max. |
With-stand |
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L1±1.5 |
L2±1.5 |
L3±1.5 |
L4±1.5 |
B±1 |
H±1 |
D±0.5 |
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CRX50B |
50W |
1R-10R |
75 |
90 |
100 |
4.5 |
30 |
13 |
4.5 |
700V |
700V |
450V |
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CRX100 |
100W |
1R-10K |
104 |
118 |
130 |
6.0 |
42 |
21 |
6.0 |
1000V |
1000V |
600V |
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CRX150 |
150W |
1R-10K |
150 |
172 |
182 |
6.0 |
42 |
21 |
6.0 |
1200V |
1200V |
750V |