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DEJE3KH102JA2A Datasheet(数据表) 63 Page - Murata Manufacturing Co., Ltd.

部件型号  DEJE3KH102JA2A
说明  High Voltage Ceramic Capacitors
下载  83 Pages
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制造商  MURATA [Murata Manufacturing Co., Ltd.]
网页  http://www.murata.com
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DEJE3KH102JA2A Datasheet(HTML) 63 Page - Murata Manufacturing Co., Ltd.

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C85E.pdf
Jul.13,2011
Due to the low self-heating characteristics of low-
dissipation capacitors, the allowable electric power of
these capacitors is generally much higher than that of B
characteristic capacitors. However, if the self-heating
temperature is 20
°C under a high-frequency voltage
whose peak-to-peak value equals the capacitor's rated
voltage, the capacitor's power consumption may exceed
its allowable electric power.
Therefore, when using the DEA/DEC (SL Char.) /DEH
/DES series in a high-frequency and high-voltage circuit
with a frequency of 1kHz or higher, make sure that the
Vp-p values including the DC bias, do not exceed the
applied voltage value specified in Table 1. Also make
sure that the self-heating temperature (the difference
between the capacitor's surface temperature and the
capacitor's ambient temperature) at an ambient
temperature of 25
°C does not exceed the value specified
in Table 1.
As shown in Fig. 2, the self-heating temperature
depends on the ambient temperature. Therefore, if you
are not able to set the ambient temperature to
approximately 25
°C, please contact our sales
representatives or product engineers.
We are offering free software, The Capacitor Selection
Tool: by Voltage Form, which will assist you in selecting a
suitable capacitor.
The software can be downloaded from Murata's Web site
(http://www.murata.com/products/design_support/mmcsv/
index.html).
By inputting capacitance values and applied voltage
waveform of the specific capacitor series, this software
will calculate the capacitor's power consumption and list
suitable capacitors.
When the result of this software is different from the
measurement result of the self-heating temperature on
your side, please contact our sales representatives or
product engineers.
FAILURE TO FOLLOW THE ABOVE CAUTIONS (ITEMS 1
TO 4) MAY RESULT, WORST CASE, IN A SHORT CIRCUIT
AND CAUSE FUMING OR PARTIAL DISPERSION WHEN
THE PRODUCT IS USED.
4. Load Reduction and Self-generated Heat During
Application of High-frequency and High-voltage
<Table 1> Allowable Conditions at High frequency
<Fig. 1> Relationship Between Applied Voltage and
Self-heating Temperature (Allowable Self-heating
Temp. at 25
°C Ambient Temp.)
Allowable Conditions
at High-frequency *3
Series
Temp.
Char.
DC
Rated
Voltage
Applied
Voltage (Max.)
Self-heating Temp.
(25
°C Ambient Temp.) *1
Capacitor's
Ambient
Temp. *2
DEH
DEA
C
R
SL
500V
1kV
2kV
3.15kV
1kV
2kV
3.15kV
500Vp-p
800Vp-p
1000Vp-p
1400Vp-p
2000Vp-p
1600Vp-p
3150Vp-p
1000Vp-p
2000Vp-p
3150Vp-p
20
°C Max.
20
°C Max.
5
°C Max.
20
°C Max.
5
°C Max.
20
°C Max.
5
°C Max.
5
°C Max.
6.3kV
6300Vp-p
DEC
SL
5
°C Max.
DES
D
500V
500Vp-p
15
°C Max.
1kV
800Vp-p
1000Vp-p
5
°C Max.
-25 to +85
°C
DEH Series R Char. (Rated Voltage: DC1kV to 3.15kV)
0
5
10
15
20
25
100
1000
10000
Applied Voltage (Vp-p)
Rated Voltage: 1kV
2kV
3.15kV
*1 Fig. 1 shows the relationship between the applied voltage and the allowable self-
heating temperature regarding 1 to 3.15kV rated voltage of the DEH series R
characteristic and 1kV rated voltage of the DES series D characteristic.
*2 When the ambient temperature is 85 to 125
°C, the applied voltage needs to be
further reduced. If the DEA/DEH/DES series needs to be used at an ambient
temperature of 85 to 125
°C, please contact our sales representatives or product
engineers.
*3 Fig. 3 shows reference data on the allowable voltage - frequency characteristics
for a sine wave voltage.
DES Series D Char. (Rated Voltage: DC1kV)
0
5
10
15
20
25
100
1000
10000
Applied Voltage (Vp-p)
Rated Voltage: DC1kV
Continued from the preceding page.
Continued on the following page.
High Voltage Ceramic Capacitors !Caution
61
11
!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 specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering.




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