| 项目 |
试验方法 |
性能 |
| 电阻值容许公差 |
JIS-C-5202 5-1 |
Resistance Nominal Tolerance ±10%(K) |
| 电阻温度特性 |
JIS-C-5202 5-2 |
±300ppm/°C max. |
| 定格负荷 |
JIS-C-5202 5-4 |
R/R ≤ ±(1%+0.1Ω)
Surface temperature up 350°C max. |
| 耐电压 |
JIS-C-5202 5-7
2000VDC 1 minute Between terminal and anchor stand |
Free of appearance or structural irregularity
ΔR/R ≤ ±(1%+0.1Ω) |
| 端子强度 |
JIS-C-5202 6-1 500N 30 seconds |
Free of appearance or structural irregularity |
| 绝缘抵抗 |
JIS-C-5202 5-6 500VDC |
100MΩ min |
| 短时间过负荷 |
JIS-C-5202 5-5
1000% rated power 5 seconds |
Free of appearance or structural irregularity
ΔR/R ≤ ±(2%+0.1Ω) |
| 耐振性 |
JIS-C-5202 6-3
490m/s2 11ms |
Free of appearance or structural irregularity Surface coating crack ΔR/R ≤ ±(2%+0.1Ω) |
| 备注 |
Resistance and resistance tolerance were tested in-house with micro resistance meter. |
DOE 系列功率电阻器
高电流椭圆形板式功率电阻器 DOE 系列适用於大型电机的刹车泄放电路，有六种尺寸和各种额定电流可供选择。金属衬板与电阻体之间采用优质陶瓷作为绝缘件。 电阻体元件采用性能极为稳定的电阻合金，引出端与电阻体采用电阻焊工艺。 持续工作时表面温升不超过 350°C。若需特殊规格型式，请与德键电子业务联系。
