| 項目 |
試驗方法 |
性能 |
| 電阻值容許公差 |
JIS-C-5202 5-1 |
Resistance Nominal Tolerance ±10%(K) |
| 電阻溫度特性 |
JIS-C-5202 5-2 |
±300ppm/°C max. |
| 定格負荷 |
JIS-C-5202 5-4 |
R/R ≤ ±(1%+0.1Ω)
Surface temperature up 350°C max. |
| 耐電壓 |
JIS-C-5202 5-7
2000VDC 1 minute Between terminal and anchor stand |
Free of appearance or structural irregularity
ΔR/R ≤ ±(1%+0.1Ω) |
| 端子強度 |
JIS-C-5202 6-1 500N 30 seconds |
Free of appearance or structural irregularity |
| 絕緣抵抗 |
JIS-C-5202 5-6 500VDC |
100MΩ min |
| 短時間過負荷 |
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) |
| 備註 |
Resistance and resistance tolerance were tested in-house with micro resistance meter. |
高電流橢圓形板式功率電阻器 DOE 系列適用於大型電機的剎車泄放電路，有六種尺寸和各種額定電流可供選擇。金屬襯板與電阻體之間采用優質陶瓷作為絕緣件。 電阻體元件采用性能極為穩定的電阻合金，引出端與電阻體采用電阻焊工藝。 持續工作時表面溫升不超過 350°C。若需特殊規格型式，請與德鍵電子業務聯繫。德鍵大功率系列還包括：老化電阻、制動電阻、電力負載柜、負載電阻等。
