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VJ Controlled Discharge Capacitor (CDC)
www.vishay.com
TYPICAL PARAMETERS
VOLTAGE COEFFICIENT OF CAPACITANCE
Vishay Vitramon
TEMPERATURE COEFFICIENT OF CAPACITANCE
10
0
20
15
X 7R:  ± 15 % from - 55 °C to 125 °C
- 10
- 20
- 30
- 40
- 50
- 60
- 70
- 80
4044, 330 nF, 1500 V
3640, 180 nF, 1500 V
10
5
0
-5
- 10
- 15
- 20
3640, 180 nF, 1500 V
TCC also meets X5P
± 10 % from - 55 °C to + 8 5 °C
4044, 330 nF, 1500 V
0
250
500
750
1000
1250
1500
- 75 - 55 - 35 - 15 5
25 45 65 85 105 125
APPLIED VOLTAGE (V DC )
DISCHARGE PULSE OF 4044 CDC
TEMPERATURE (°C)
DISCHARGE CURRENT VS. CHARGE VOLTAGE
2000
Above 1200 V, excessive dV/dt
1800 may cause failure
Ri s e time
79 n s
Peak current:
> 1700 A p
1600
1400
1200
1000
800
600
4044, 330 nF
3640, 180 nF
3640, 274 nF
900
1000
1100
1200
1300 1400
1500
CHARGE VOLTAGE (V DC )
DISSIPATION FACTOR VS. TEMPERATURE
0.040
1400
SELF DISCHARGE VS. TIME
0.035
0.030
0.025
0.020
0.015
0.010
0.005
0.000
4044, 330 nF, 1500 V
3640, 180 nF, 1500 V
1200
1000
800
600
400
200
0
Capacitor (no Resistor)
V c = V o x ε -t/rc
CDC, 500 MΩ Resistor
- 55 - 35 - 15 - 5
25
45 65
85 105 125
0
100 200 300 400 500 600 700 800 900
TEMPERATURE (°C)
TIME (s)
Revision: 27-Mar-13
4
Document Number: 45203
For technical questions, contact: mlcc@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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