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    工艺信息 Products
    About Us 常用技术术语

    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.



    常用技术术语




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