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    5. Are there any resonant capacitors used for automotive OBC/wireless power supply, high power density server power supply, etc.? Also, are there any precautions for use?

    Ceramic Capacitors FAQQAre there any resonant capacitors used for automotive OBC/wireless power supply, high power density server power supply, etc.? Also, are there any precautions for use?

    A

    The following table shows the lineup of resonant capacitors.

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    Chip Multilayer Ceramic Capacitors Metal Terminal Type Multilayer Ceramic Capacitors
    External appearance
    Operating temperature range −55°C to +125°C −55°C to +125°C
    Rated voltage (DC) 630V
    1000V    		 630V
    1000V
    Temperature Characteristics C0G (EIA): 0±20ppm/°C
    (25°C to 125°C)    		 C0G (EIA): 0±20ppm/°C
    (25°C to 125°C)
    Capacitance range 5.1nF to 10nF (1206 size)
    11nF to 33nF (1210 size)    		 15nF to 54nF

    Notice

    • When using capacitors for resonance applications, the points of "self-heating" and "allowable voltage curve" are important.
    • Capacitors used in high-power applications show a rise in self-heating after initial heating immediately after voltage is applied.
      Although self-heating is inevitable in high-power applications, voltage and frequency conditions that exceed the maximum operating temperature of 125°C within the target lifetime (e.g., 10 years) should be avoided (see Figure 1). In particular, the limit on the AC voltage V(p-p) that can be applied increases in the high-frequency range. In 萝莉影视's resonant capacitors, the allowable voltage is a voltage whose target life is the time it takes for the surface temperature of the capacitor to reach the maximum operating temperature of 125°C. Therefore, when selecting a capacitor, the used voltage V(p-p) should be within the allowable voltage.
    Fig. 1: Change in surface temperature of capacitor

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    1. Support
    2. FAQs
    3. Capacitors FAQ
    1. HOME
    2. Support
    3. FAQs
    4. Capacitors FAQ
    5. Are there any resonant capacitors used for automotive OBC/wireless power supply, high power density server power supply, etc.? Also, are there any precautions for use?
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