I≤0.01CRVR or 3(μA),取较大者(施加额定电压2分钟) CR:标称电容量(μF) UR:额定电压(V)I≤0.01CRVR or 3(μA) Whichever is greater(After 2 minutes’ application of rated voltageCR: Nominal Capacitance (μF) UR: Rated voltages (V)
损耗角正切(tgδ)Dissipation Factor (Max)20℃, 120Hz
UR (V)
6.3
10
16
25
35
50
tgδ
0.22
0.19
0.16
0.14
0.12
0.10
耐久性Load Life
+105℃施加额定电压1000小时后,电容器应满足以下要求:After 1000 hours’ application of rated voltage at 105℃, the capacitor shall meet the following requirement:
电容量变化率Capacitance Change
±20%初始值以内(≤16V:±25%初始值以内)Within ±20% of the initial value(≤16V: within ±25% of the initial value)
损耗角正切Dissipation Factor
≤ 300%初始规定值Not more than 300% of the initial specified value
漏电流Leakage Current
≤ 初始规定值ot more than the initial specified value
试验方法要求
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
低温特性 Low Temperature Stability 阻抗比 Impedance Ratio (120Hz)
UR (V)
6.3
10
16
25
35
50
Z(-25℃)/Z(+20℃)
2
2
2
2
2
2
Z(-40℃)/Z(+20℃)
4
4
3
3
3
3
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.
电容量变化率 Capacitance Change
±10%初始值以内 Within ±10% of the initial value
损耗角正切(tgδ) Dissipation Factor
≤初始规定值 Not more than the initial specified value
漏电流 Leakage Current
≤ 初始规定值 Not more than the initial specified value
使用常识
标称电容量、额定电压、额定纹波电流与外形尺寸对应表
Nominal capacitance, rated voltage, rated ripple current and case size table