RXFB series:
Ship type aluminum shell resistance
Model: RXFB series
Power: 50W-300W (customizable)
Resistance value: 1R-10K (customizable)
Resistance accuracy:± 5%, ± 10%, ± 20%
Temperature coefficient: ± 350ppm/℃
Cooling method: natural cooling
Application scope: Widely used in industries such as frequency converters, elevators, cranes, ships, power, welding, power supply, wind power generation, solar power generation, charging piles, servo systems, testing aging tables, audio systems, etc
Features: It has the characteristics of shock resistance, high power, fast heat dissipation, high stability, and long service life
项目 |
测试项目 |
标准值 |
1 |
短时间过负荷 |
±(2%R0+0.05Ω ),10 倍额定功率,5 秒 |
2 |
电阻温度系数 |
±1000 PPM/℃ |
3 |
耐电压 |
40W-80W: AC-1500V,1min ≤1mA |
≥ 100W: AC-2000V,1min ≤1mA |
||
4 |
可焊性 |
95%覆盖 265±5℃ 2±0.5S |
5 |
绝缘电阻 |
≥100MΩ 500V DC |
6 |
引出线强度 |
△R≤(1%R-0.05Ω ) 40N |
7 |
负荷寿命 |
△R≤(5%R-0.1Ω )70℃额定负荷,0.5 小时 ON,0.5 小时 OFF 500 小时 |
8 |
不燃性 |
电阻不发生燃烧现象,按 1-6 倍额定功率 5 分钟或电阻开 路为止 |
9 |
温升 |
≤450℃ 额定功率≤1 小时 |