|
序 NO. |
项目 LTEM |
规范 SPECIFICATION |
测试方法 TEST METHOD |
|
1 |
工作温度范围 Operating Temperature |
-40~+125°C |
|
| 2 |
外观 Appearance |
无缺陷或异常 No defects or abnormalities |
目视检查 Visual inspection. |
|
3 |
尺寸 Dimensions |
尺寸在规定范围内 Within the specified dimension. |
使用卡尺或千分尺 Using calipers and micrometers. |
| 4 |
介电强度 Dielectric strength |
无缺陷或异常 No defects or abnormalities. |
在两根引线之间施加AC4000V试验电压达60秒时，电容器不应有任何损坏。 The capacitor shall not be damage when AC4000V(r.m.s.) is applied between the terminations for 60 s. |
|
5 |
绝缘电阻 Insulation Resistance(I.R.) |
6000 MΩ or more |
在DC500±50V条件下, 在充电开始60±5秒内测量绝缘电阻。 应通过1MΩ电阻器向电容器施加电压。 The insulation resistance shall be measured with DC500±50V within 60±5 s of charging.The voltage should be applied to the capacitor through a resistor of 1MΩ. |
|
6 |
静电容量 Capacitance |
在规定偏差范围内Within the specified tolerance. |
在20°C时，以最高1±0.1kHz 和AC1±0.2V(r.m.s.)的频率和电压，测量静电容量、损耗因数。 Capacitance/D.F. shall be measured at 20°C with the frequency of 1±0.2kHz and a voltage of AC1±0.2V(r.m.s.). |
|
7 |
损耗因素 Dissipation Factor (D.F.) |
0.025 max. |
|
|
8 |
温度特性 Capacitance Temperature Characteristics |
Cap. Change B:within ±10% E:within +22/-55% (Temp.Range:-25 to +85°C) |
电容测量应在表中的每一步进行。
The capacitance measurement shall be made at each step in table.•Pretreatment for B,E char.Perform the heat treatment at 150+0/-10 °C for 60±5 min and then let sit for 24±2 h at *room condition. |
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