Electrical Characteristics(环境特性测试) |
Characteristics |
Limits |
Resistance and Resistance Tolerance(电阻公差) |
Range Resistance tolerance ±5%(J) |
Temperature Coefficient(温度系数) |
FCHR-2 0.4×1.2m/m 1000~1200ppm/℃ max(according to the material) |
Power Rating Load(额定功率负载) |
△R/R ≤±(1%﹢0.05Ω) temperature 350℃ max |
Short-time Overload(短时间过载) |
△R/R ≤±(2%﹢0.05Ω) |
Insulation Resistance(绝缘电阻) |
DC500V 100MΩ min |
Dielectric Withstanding Voltage(抗电强度) |
AC2500V 1.5MA 1 minute |
—These resistors are made by winding resistance ribbon around a ceramic tube in wave shape,externally coated with non flame paint. |
这些电阻是由绕阻电阻带绕在陶瓷管的波形,外部涂有无火焰漆。 |
—They are extremely good in dissipation of heat,small in size,able to take large load. |
散热非常好,体积小,承受负荷大。 |
—Fit for use on heavy electric machines and production machines. |
适用于重型电机和生产机械。 |