ELECTRIC
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LAYER
CAPACITORS
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! EDLC are normally polarized. Ensure the capacitor's polarity before mounting.
Capacitors has rated voltage. Do not exceed the rated voltage of capacitors.
Capacitors is established category temperature range. Do not use capacitors at temperatures which exceed the specified
category temperature range.
Capacitors is limited load life and specified value of load life. The load life is approximately doubled when the temperature
is reduced by 10ûC.
Performance of electrical characteristics of capacitors is affected by variation of operating temperature.
Capacitors will self-heat with high ripple current. Consult with Rubycon about specially designed capacitors for applying
ripple current.
If large discharge current applied to capacitors, voltage drops occurs when discharge starting. Consult with Rubycon
about discharge current.
Voltage balancing is needed to ensure uniform voltage distribution across each capacitor, if capacitors are connected in
series to gain higher rated voltage.
Sleeve of capacitors is not recognized as an insulator. When capacitors is assembled on the printed wiring board, raised
on the board and not be lay over circuit lines.
Do not damage to capacitor case and leads.
! Soldering conditions should be within the specified standard which is described in specification sheets.
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2.5V DMB 30F ¯16xL35.5mm
at 70ûC 2.5V applied
0
120
100
ESR(m½ at 1kHz)
Capacitance Change(%)
-10
-20
-30
-40
-50
80
60
40
20
0
0
200
400
600
800
1000
0
200
400
600
800
1000
Time(hr)
Time(hr)
120
0
100
-20
80
ESR(m½ at 1kHz)
20
-40
-60
-80
-100
-40
60
40
20
-20
0
20
40
60
0
-40
80
-20
0
Temp(ûC)
20
40
Temp(ûC)
2.5V DMB 30F ¯16xL35.5mm
at 2.5V to 0V
2.5
2
30mA
Voltage(V)
Capacitance Change(%)
2.5V DMB 30F ¯16xL35.5mm
at -25ûC to 70ûC
1.5
300mA
1
3A
0.5
0
0
500
1000
1500
Time(sec.)
2000
2500
60
80
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