1. 额定容量 Rated capacitance:?

? ? 电容器容量的设计值，通常在电容器上显示。

? ? The capacitance value for which the capacitor has been?

? ? designed?and?which is usually indicated upon it.?

2.?类别温度范围 Category temperature range:?

? ? 电容器设计连续工作温度的范围，是由类别温度所定义的。?

? ? The range of ambient temperatures for which the?

? ? capacitor?has?been?designed to operate continuously; This

? ? is defined by the?temperature?limits of the appropriate?

? ? category.?

3. 上限类别温度 Upper category temperature:?

? ? 电容器连续工作下最高的环境温度。

? ? The maximum ambient temperature for which a capacitor?

? ? has been?designed to operate continuously.?

4.?下限类别温度 Lower category temperature:?

? ? 电容器连续工作下最低的环境温度。

? ? The minimum ambient temperature for which a capacitor

? ? has??been?designed to operate continuously.?

5.?额定温度 Rated temperature:?

? ? 可连续施加额定电压的最大环境温度。

? ? The maximum ambient temperature at which rated voltage?

? ? may?be?continuously applied.?

6.?额定电压 Rated voltage:?

? ? 最大的直流电压或最大有效值交流电压或脉冲电压的峰值，可在

? ? 下限类 别温度与额定温度之间任一温度下连续载入于电容器的电

? ? 压。

? ? The maximum direct voltage or the maximum RMS alternating

? ??voltage?or peak value of pulse voltage which may be applied??

? ? continuously to a?capacitor at any temperature between the?

? ? lower category temperature?and the rated temperature.?

7.?类别电压 Category voltage:?

? ? 電容器在其上限溫度下可連續施加在電容器上的最大電壓。?

? ? The maximum voltage which may be applied continuously to

? ??a capacitor??at its upper category temperature.?

8.?温度降额电压 Temperature derating voltage:?

? ? 对于额定温度和上限类别温度之间的任一温度，降温电压是可以

? ? 连续施加到电容器上的最大电压。

? ? For any temperature between the rated temperature and??

? ? the upper?category temperature, the temperature derating?

? ? voltage is the maximum?voltage that may be applied?

? ? continuously to a capacitor.?

? ??9. 绝缘电阻（IR）/时间常数（t)

? ? ? ? Insulation resistance (lR)/time constant:?

? ? ? ? 绝缘电阻是电容器充电一分钟后所加的直流电压和流经电容器的

? ? ? ? 漏电流值的比值。 单位“MΩ”。 时间常数为绝缘电阻和电容量 的

? ? ? ? 乘积，通常以秒表示，公式如下：

? ? ? ? t (s)=lR (MΩ)×CR (μF) .

? ? ? ? The insulation resistance is the ratio between an applied DC?

? ? ? ? voltage and the resulting leakage current after a minute of charge.

? ? ? ? It is expressed in MΩ. The time constant is expressed in seconds

? ? ? ? with the following formula:?

? ? ? ?t (s)=lR (MΩ)×CR (μF).

? ? 10. 脉冲上升时间 Pulse rise time (dv/dt):?

? ? ? ? 脉冲上升时间决定了电容器承受快速电压变化引起的大电流峰值

? ? ? ? 的能力。 峰值电流定义公式如下：

? ? ? ? lp(A)=C(uF) × dv/dt ( V/μs)?

? ? ? ? The pulse rise time defines the capability of a capacitor to?

? ? ? ? withstand high current peaks due to fast voltage changes.?

? ? ? ? The peak current is defined by the following formula:?

? ? ? ? lp(A)=C(uF) × dv/dt ( V/μs)?

? ? 11.?损耗角正切及等效串联电阻

? ? ? ? Dissipation factor and equivalent series resistance:?

? ? ? ? 耗散因数或损耗角正切(tanδ) 是指电容器在规定频率的正弦电压

? ? ? ? 作用下，电容器损耗的功率除以电容器的无功功率。 等效串联电

? ? ? ? 阻(ESR)是由电容串联电阻和电感组成的等效电路。

? ? ? ? The dissipation factor or tangent of loss angle (tanδ) is the power

? ? ? ? loss of the capacitor divided by the reactive power of the capacitor

? ? ? ? at a sinusoidal voltage of specified frequency. The equivalent series

? ? ? ? resistance(ESR) is the resistive part of the equivalent circuit

? ? ? ? composed of capacitance, series resistance and inductance.