15DK, 20DK, 30DK, 40DK, 10KT, 15KT, 20KT, 30KT, 40KT Series
Vishay Cera-Mite
Heavy Duty High Voltage Capacitors
Fig 17
10 TO 40KV MOLDED EPOXY CASE
DK GENERAL PURPOSE TYPE, EIA CLASS III
D
DIAMETER
MAX.
LENGTH
MAX.
CODE in. mm
L
SIZE
SIZE
CODE in.
mm
APPLICATIONS:
• High Voltage Power Supplies, CRTs, Lasers.
• Smallest Size Available.
J
K
L
M
N
.780 19.8
.900 22.9
1.00 25.4
1.18 30.0
1.36 34.5
A
B
C
D
E
F
.880 22.4
1.05 26.7
1.30 33.0
1.55 39.4
1.80 45.7
2.13 54.1
2.30 58.4
2.42 61.5
#8-32NC-2B
Tapped
D
Holes
L
NOTE: Screw torque limit:
12 inch pounds. Use
#8-32, 3/16" long screw to
prevent bottoming.
KT SPECIAL PURPOSE TYPE, EIA CLASS I
APPLICATIONS:
G
H
715C Series
• High Voltage Power Supplies, CRTs, Lasers.
• Greater Capacitance Stability.
• Features Low DF and Low Heating, Low DC & ACVoltage
Coefficient.
TYPE KT CAPACITOR
Class I N4700 Temp. Coefficient
Cap Tol. ±20%
TYPE DK CAPACITOR
Class III Y5U Temp. Coefficient
Cap Tol. +80% - 20%
DF: 0.2% Max @ 1 kHz
DF: 2% Max @ 1 kHz
• Tighter Tolerance On Capacitance.
• Highest AC Voltage Ratings.
10,000 VDC; 4,000 VRMS, 60HZ
15,000 VDC; 4,000 VRMS, 60HZ
SIZE
SIZE
CAP
pF
CATALOG
CAP CATALOG
NUMBER D CODE L CODE
PF
NUMBER D CODE L CODE
1500 15DKD15
2000 15DKD20
3300 15DKD33
4700 15DKD47
.01 uF 15DKS10
B
C
D
D
G
K
K
K
K
K
1000 10KTD10
2200 10KTD22
3900 10KTD39
4700 10KTD47
C
D
F
J
J
J
J
PERFORMANCE CHARACTERISTICS:
Operating Temperature Range: -30°C to +85°C
Storage Temperature Range: -40°C to +100°C
Dielectric Strength: 150% of rated voltage, charging
current limited to 50mA.
Insulation Resistance: 200,000 megohms or 1000ΩF
minimum at 25°C.
Corona Limit: 50 picocoulombs at rated AC voltage.
Self Resonant Frequency: Ranges from 50 MHz for small
diameters to 10 MHz for large diameters.
G
15,000 VDC; 6,000 VRMS, 60HZ
20,000 VDC; 5,000 VRMS, 60HZ
SIZE
CAP
pF
CATALOG
SIZE
CAP
CATALOG
NUMBER D CODE L CODE
pF
NUMBER D CODE L CODE
820 15KTT82
1900 15KTD19
3300 15KTD33
C
F
G
K
K
K
500 20DKT50
1000 20DKD10
1300 20DKD13
2500 20DKD25
3300 20DKD33
4700 20DKD47
6800 20DKD68
A
C
C
D
E
F
L
L
L
L
L
L
L
20,000 VDC; 8,000 VRMS, 60HZ
SIZE
CAP
CATALOG
Power Dissipation: Limit to 25°C rise above ambient,
measured on case.
pF
NUMBER D CODE L CODE
H
560 20KTT56
1000 20KTD10
1900 20KTD19
2700 20KTD27
C
D
F
L
L
L
L
30,000 VDC; 7,000 VRMS, 60HZ
30
20
KT
Series
SIZE
CAP
CATALOG
H
pF
NUMBER D CODE L CODE
10
500 30DKT50
1000 30DKD10
2500 30DKD25
3300 30DKD33
4700 30DKD47
B
C
D
F
N
M
M
M
M
30,000 VDC; 10,000 VRMS, 60HZ
0
KT Series ceramic material is
specially designed to handle
AC current, due to low
dissipation factor.
SIZE
CAP
CATALOG
-10
-20
-30
-40
pF
NUMBER D CODE L CODE
400 30KTT40
660 30KTT66
1200 30KTD12
1800 30KTD18
C
D
F
M
M
M
M
DK
Series
G
40,000 VDC; 9,000 VRMS, 60HZ
H
SIZE
-30
25
Temp. (°C)
85
CAP
CATALOG
pF
NUMBER D CODE L CODE
40,000 VDC; 13,000 VRMS, 60HZ
300 40DKT30
500 40DKT50
780 40DKT78
1000 40DKD10
1600 40DKD16
2500 40DKD25
3300 40DKD33
A
B
C
D
E
F
N
N
N
N
N
N
N
SIZE
CAP
CATALOG
Typical Applications
H.V.
pF
NUMBER D CODE L CODE
300 40KTT30
640 40KTT64
1000 40KTD10
1300 40KTD13
C
E
F
N
N
N
N
CRT
H
G
75-135A
TERMINAL ADAPTORS
#8-32NC-2B Adapters.
Order separately as required.
0.437
±0.015
0.250
DIA
0.375
Focus
All tolerances ±0.010 unless specified.
High Voltage
Ceramic Capacitor
0.187 FLAT
NO. 8-32 NC-2B
75-136ATHD
75-134A
Applications where high dv/dt is present will operate at high
peak currents (Ip = dv/dt x C). Capacitors should be evaluated in
the actual circuit for dv/dt greater than 2000V/ microsecond. If
repetitive, it may be necessary to use a series resistor or other
impedance to limit peak currents to safe values.
0.437
0.250
0.437
±0.015
0.250
DIA
±0.015
DIA
0.250
0.312
0.187 FLAT
0.187 FLAT
NO. 6-32 NC-2B
NO. 6-32 NC-2B
INT THD
THD
www.vishay.com
30
Document Number: 23098
Revision 14-May-02
ceramite.support@vishay.com
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