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! Note ? Please read rating and ! CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
? This catalog has only typical speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.
! Caution
Continued from the preceding page.
C02E.pdf
Sep.25,2013
<Applicable to Temperature Characteristic X7R, X7T
beyond Rated Voltage of 200VDC>
1-2. The load should be contained so that the self-heating of
the capacitor body remains below 20°C, when
measuring at an ambient temperature of 25°C. In
addition, use a K thermocouple of ?0.1mm with less
heat capacity when measuring, and measure in a
condition where there is no effect from the radiant heat
of other components or air flow caused by convection.
Excessive generation of heat may cause deterioration
of the characteristics and reliability of the capacitor.
(Absolutely do not perform measurements while the
cooling fan is operating, as an accurate measurement
may not be performed.)
<Applicable to Temperature Characteristic U2J, C0G
beyond Rated Voltage of 200VDC>
1-3. Since the self-heating is low in the low loss series, the
allowable power becomes extremely high compared to
the common X7R characteristics.
However, when a load with self-heating of 20°C is
applied at the rated voltage, the allowable power may
be exceeded. When the capacitor is used in a
high-frequency voltage circuit of 1kHz or more, the
frequency of the applied voltage should be less than
500kHz sine wave (less than 100kHz for a product with
rated voltage of DC3.15kV), to limit the voltage load so
that the load remains within the derating shown in the
following figure. In the case of non-sine wave,
high-frequency components exceeding the fundamental
frequency may be included. In such a case, please
contact Murata. The excessive generation of heat may
cause deterioration of the characteristics and reliability
of the capacitor.
(Absolutely do not perform measurements while the
cooling fan is operating, as an accurate measurement
may not be performed.)
The temperature of the surface
of capacitor: 125°C or less (including self-heating)
C0G char., Rated Voltage: DC200V
1000
C0G char., Rated Voltage: DC250V
1000
C0G char., Rated Voltage: DC500V
1000
to 560pF
to 1000pF
(500)
680pF
820pF
(200)
to 330pF
(250)
1,000pF
100
1
10
100
1000
100
1
10
100
1000
100
1
10
100
1000
Frequency [kHz]
C0G char., Rated Voltage: DC630V
1000
to 470pF
560pF
(630)
680pF
820pF
1,000pF
Frequency [kHz]
C0G char., Rated Voltage: DC1kV
10000
to 100pF
(1000)
Frequency [kHz]
100
1
10
100
1000
100
1
10
100
1000
Frequency [kHz]
Frequency [kHz]
The sine-wave frequency VS allowable voltage
Continued on the following page.
140
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