试验方法及要求 Tests
高温贮存 Shelf Life |
105℃ 贮存1000小时后,加额定工作电压30分钟,电容器应满足以上耐久性要求 After storage for 1000 hours at 105℃, UR to be applied for 30 minutes ,the capacitors shall meet the requirement of load life above |
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低温特性 Low Temperature Stability 阻抗比 Impedance Ratio (120Hz) |
UR (V) |
6.3 |
10 |
16 |
25 |
35 |
50 |
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Z(-25℃)/Z( 20℃) |
2 |
2 |
2 |
2 |
2 |
2 |
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Z(-40℃)/Z( 20℃) |
4 |
4 |
3 |
3 |
3 |
3 |
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耐焊接热 Resistance to Soldering Heat |
在260℃的条件下,电容器在热板上保持10秒,然后从热板上取出电容器,让其在室温下恢复,电容器应满足以下要求:The capacitors shall be kept on the hot plate maintained at 260℃ for 10 seconds. After removing from the hot plate and restored at room temperature, they meet the following requirement. |
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电容量变化率 Capacitance Change |
±10%初始值以内 Within ±10% of the initial value |
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损耗角正切(tgδ) Dissipation Factor |
≤初始规定值 Not more than the initial specified value |
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漏电流 Leakage Current |
≤ 初始规定值 Not more than the initial specified value |
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