FPA250
FPA250厚膜功率电阻器
额定功率:250W(50°C 时的散热器)
阻力范围:从 1R 到 2M
公差(代码):E6 系列标准 J (±5%)
也可应要求提供 F (±1%)
温度系数:100ppm/°C
最大工作电压:5k Vdc
工作温度范围:-55°C 至 +155°C
介电强度:7kV
绝缘电阻:≥ 10Gohm at 500V
爬电距离:42mm min
典型电感:典型值 40nH
并联电容:≤40pF
电容/质量:≤110pF
散热器平整度:最大 0.05 毫米
散热器表面光洁度:≤6.4 µm max
导热油脂:必需
触点的最大扭矩:2Nm(静态)
最大安装扭矩:1.8Nm(静态)
FPA250 Thick Film Power Resistors
Power rating: 250W (heatsink at 50°C)
Resistance range: From 1R to 2M
Tolerance (Code): E6 Series Standard J (±5%)
Also available F (±1%) on request
Temperature coefficient: 100ppm/°C
Max working voltage: 5k Vdc
Working temperature range: -55°C to +155°C
Dielectric strength: 7kV
Insulation resistance: ≥ 10Gohm at 500V
Creepage distance: 42mm min
Typical inductance: 40nH typical
Parallel capacitance: ≤40pF
Capacitance/Mass: ≤110pF
Heatsink flatness: 0.05mm max
Heatsink surface finish: ≤6.4 µm max
Thermal grease: Required
Max torque for contacts: 2Nm (static)
Max torque for mounting:1.8Nm (static)
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