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Product | Trapezium Aluminum Housed Wirewound Resistor | ||||||||||||
Features | 1.Aluminum crust surface with good performance in heat radiation, suitable for cooling plate installation, can be used in the atrocious environment | ||||||||||||
Test Item 测试项目 | Test Condition 测试条件 | Performance 性能 | |||||||||||
Temperature Coefficient | The resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate. | ±300ppm/°C | |||||||||||
Short Time overload | 10×rated voltage or Max. overload voltage(get the lower) for 5 seconds. | R≤±(2%R0+0.05Ω) | |||||||||||
Resistance to soldering Heat 耐焊接热 | Immerge into the 350±10°C tin stove for 2~3seconds. 在350±10°C锡炉中浸入2~3秒。 | R≤±(1%R0+0.05Ω) | |||||||||||
Solderability | Immerge into the 245±3°C tin stove for 2~3seconds. 在245±3°C锡炉中浸入2~3秒。 | The soldering area is over 95%.焊锡面积覆盖率达95%以上。 | |||||||||||
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. 在-55°C时放置30分钟,然后在+25°C时放置10~15分钟,然后再在+275°C时放置30分钟,接着在+25°C时放置10~15分钟,共循环5次。 |
R≤±(1%R0+0.05Ω) | |||||||||||
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. 在温度为40±2°C,相对湿度为90~95%的恒温恒湿箱中,施加额定电压或工作电压(取较小者)共1000小时(通电0.5小时,断电0.5小时) |
R≤±(5%R0+0.05Ω) | |||||||||||
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. 在温度为70±2°C的恒温恒湿箱中,施加额定电压或工作电压(取较小者)共1000小时(通电0.5小时,断电0.5小时) |
R≤±(5%R0+0.05Ω) | |||||||||||
Terminal strength | Pull 拉力 :10N | R≤±(2%+0.1Ω) | |||||||||||
Vibration | Frequency频率 :10~55Hz. | R≤±(2%R0+0.1Ω) | |||||||||||
Nonflammability | Respectively load AC voltage by5,10,16times rated power for 5 minutes. 分别按5、10、16倍功率加交流负荷5分钟。 | No visible flame | |||||||||||
Specifications and Dimensions | |||||||||||||
Part No. | Power | Resistance Range阻值范围 | 尺寸 | Max. | With- | ||||||||
L1±1.5 | L2±1.5 | L3±1.5 | H±1 | W±1 | A±0.5 | ||||||||
TRX40B | 40W | 0R5-2K2 | 65 | 74 | 95 | 18 | 30 | 5 | 300V | 450V | |||
TRX60B | 60W | 0R5-4K7 | 75 | 84 | 100 | 18 | 30 | 5 | 400V | 600V | |||
TRX80B | 80W | 1R-6K | 110 | 125 | 140 | 20 | 40 | 5 | 500V | 750V | |||
TRX100 | 100W | 1R5-8K | 135 | 150 | 165 | 20 | 40 | 5 | 600V | 900V | |||
TRX1800 | 1800W | 3R-35K | 540 | 565 | 580 | 50 | 100 | 5 | 2300V | 3300V | |||
Remark: The power and dimensions can be especially customized for customers. |