• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
!Note
C02E.pdf
10.12.20
sales representatives or product engineers before ordering.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
!Caution
Continued from the preceding page.
(2) In case of C0G, U2J char.
Due to the low self-heating characteristics of low-
<C0G char., Rated Voltage: DC3.15kV>
dissipation capacitors, the allowable electric power of
these capacitors is generally much higher than that of
X7R characteristic capacitors.
The capacitors less than 22pF can be applied maximum
4.0kV peak to peak at 100kHz or less only for the ballast
or the resonance usage in the LCD backlight inverter
circuit.
When a high frequency voltage that causes 20°C self-
heating to the capacitor is applied, it will exceed the
capacitor's allowable electric power.
<Capacitor Selection Tool>
We are also offering free software/the capacitor selection
tool: "Murata Medium Voltage Capacitors Selection Tool
by Voltage Form," which will assist you in selecting a
suitable capacitor.
The frequency of the applied sine wave voltage should be
less than 500kHz (less than 100kHz in the case of rated
voltage: DC3.15kV). The applied voltage should be less
than the value shown in figure below.
The software can be downloaded from Murata's Website.
(http://www.murata.com/designlib/mmcsv/index.html).
By inputting capacitance values and the applied voltage
waveform of the specific capacitor series, this software
will calculate the capacitor's power consumption and list
suitable capacitors (non-sine wave is also available).
In the case of non-sine wave that includes a harmonic
frequency, please contact our sales representatives or
product engineers. Excessive heat may lead to
deterioration of the capacitor's characteristics and
reliability. (Never attempt to perform measurement with
the cooling fan running. Otherwise, accurate
measurement cannot be ensured.)
The temperature of the surface
of capacitor: 125˚C or less (including self-heating)
C0G char., Rated Voltage: DC250V
C0G char., Rated Voltage: DC630V
C0G char., Rated Voltage: DC1kV
1000
1000
10000
to 470pF
560pF
680pF
820pF
(630)
to 100pF
to 100pF
(1000)
100
1000pF
(250)
100
100
1
10
100
1000
1
10
100
1000
1
10
100
1000
Frequency [kHz]
Frequency [kHz]
Frequency [kHz]
C0G char., Rated Voltage: DC3.15kV
U2J char., Rated Voltage: DC250V
U2J char., Rated Voltage: DC630V
10000
1000
1000
to 680pF
to 22pF
(630)
1,000pF
2,200pF
27 to 47pF
to 4,700pF
(3150)
1000
(250)
100
10,000pF
100
1
10
100
1000
1
10
100 (500)1000
1
10
100 (500)1000
Frequency [kHz]
Frequency [kHz]
Frequency [kHz]
U2J char., Rated Voltage: DC1kV
U2J char., Rated Voltage: DC2kV
U2J char., Rated Voltage: DC3.15kV
10000
10000
10000
1000
100
to 470pF
to 100pF
150pF
220pF
to 33pF
(3150)
1000
100
47pF
100pF
1000
1
10
100
1000
1
10
100 (500)1000
1
10
100 (500)1000
Frequency [kHz]
Frequency [kHz]
Frequency [kHz]
The sine-wave frequency VS allowable voltage
Continued on the following page.
208
MURATA [ muRata ]
