HIGH VOLTAGE CAPACITORS
Type KHT 50
Applications
High DC Voltage filtering
Voltage multipliers & dividers
HF signal coupling
Pulses / Fast discharges
Main characteristics
Compact
U
T
2x U
N
High performance composite dielectric
Lightweight
Climatic category 40/070/21
Low dielectric losses
Compliant with SF6 environmental conditions
Execution
Insulated protective sleeve
Axial leads with tinned copper wires
Epoxy-resin end seal
Mounting
Can be mounted in any position
Recommended fastening with collar/insulated wraps
KHT 50 Series
1.0 Rated values and operational data
Nominal voltage U
N
Acceptable HF voltage
Test voltage U
T
Impulse voltage
Test description at 2 impulses/min
[VDC]
[VAC]
[V
rms
]
[VDC]
[VAC]
[
V
]
10 k
500
< 500
20 k
5k
22 k
50/60 Hz permanent
20 Hz ... 500 kHz lowering see graph
1 min, 23 °C
50 Hz, 10s
wave 1.2 / 50 µs
10 x + 20 kV then 10 x -20 kV, wave 1.2 / 50 µs
2.0 Capacitance range
C
n
=>
68 pF
130 nF
10'000 VDC
Leclanché Capacitors for Critical Applications and Extreme Environments.
Tel. +41 24 445 66 88 - Fax +41 24 445 66 89 capinfo@Lcap.ch www.Lcap.ch
HIGH VOLTAGE CAPACITORS
Type KHT 50
3.0 Characteristics
Min
Dissipation factor
1 VAC / 23 °C
tg
100 Hz
1 kHz
10 kHz
100 kHz
500 kHz
500 kHz
500 kHz
1 min, 500
VDC, 23°C
Typ
Max
5x 10
10x 10
20x 10
25x 10
25x 10
30x 10
40x 10
4
4
4
4
4
4
4
< 10 nF
10 nF to 68 nF
> 68 nF
[G ]
[nH/mm]
100
Insulation resistance
Self inductance
Temperature coefficient
Climatic category
Reliability
R
i
ESL
c
1
-25±35
-40 ... +70°C
40/70/21
[ppm / °C]
IEC
Standard
3200 VAC, 50Hz, time to failure
60 min
4.0 Operating limits
4.1 RMS voltage limits
Permissible HF voltage vs capacitance
600
500
400
HF Voltage [VAC]
300
200
Un
Un
Un
20 kHz [Veff]
100 kHz [Veff]
500 kHz [Veff]
100
0
10
10000
Capacitance [pF]
10000000
Leclanché Capacitors for Critical Applications and Extreme Environments.
Tel. +41 24 445 66 88 - Fax +41 24 445 66 89 capinfo@Lcap.ch www.Lcap.ch
HIGH VOLTAGE CAPACITORS
Type KHT 50
4.2 Operational lifetime
Operational life expectancy in relation to applied AC voltage
1000000
10000
L op [h]
100
1
0.01
0
1000
2000
3000
4000
5000
Applied Voltage [VAC]
5.0 Dimensions, shape:
i1
L
i2
D
d
Tinned copper wires
d
1.5 mm
i1, i2
75 + 5 mm
Capacitors delivered in bulk.
Leclanché Capacitors for Critical Applications and Extreme Environments.
Tel. +41 24 445 66 88 - Fax +41 24 445 66 89 capinfo@Lcap.ch www.Lcap.ch
HIGH VOLTAGE CAPACITORS
Type KHT 50
B4F1
Pos.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
19
20
21
22
Type
Cn
[pF]
Dimension
ø [mm]
14.5
14.5
14.5
14.5
14.5
14.5
14.5
16.3
15.5
17
18
20
23
27
25
30
33
36
31
33
39
46
52
L [mm]
55
55
55
55
55
55
55
55
75
75
75
75
75
77
100
100
100
100
135
135
135
135
135
Un
kHz
[Veff]
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
491
468
447
408
369
347
20 Un
100
kHz
[Veff]
500
500
500
500
500
500
500
500
500
440
371
329
296
271
237
217
215
197
187
179
163
148
139
Un
500 kHz
[Veff]
500
500
500
496
405
339
282
248
226
196
165
146
131
119
103
93
92
83
78
74
65
48
37
I RMS 500
kHz
[A]
0.11
0.16
0.24
0.34
0.42
0.50
0.60
0.78
1.06
1.35
1.71
2.16
2.79
3.73
4.86
6.44
7.21
8.59
9.80
10.87
13.90
15.00
15.00
ESR
500kHz
[ ]
11.706
7.961
5.308
3.620
2.414
1.696
1.173
0.799
0.534
0.365
0.244
0.172
0.120
0.083
0.056
0.039
0.035
0.027
0.023
0.020
0.015
0.011
0.009
KHT 50 - 468
KHT 50 - 310
KHT 50 - 315
KHT 50 - 322
KHT 50 - 333
KHT 50 - 347
KHT 50 - 368
KHT 50 - 210
KHT 50 - 215
KHT 50 - 222
KHT 50 - 233
KHT 50 - 247
KHT 50 - 268
KHT 50 - 110
KHT 50 - 115
KHT 50 - 122
KHT 50 - 125
KHT 50 - 133
KHT 50 - 140
KHT 50 - 147
KHT 50 - 168
KHT 50 - 010
KHT 50 - 013
68
100
150
220
330
470
680
1000
1500
2200
3300
4700
6800
10000
15000
22000
25000
33000
40000
47000
68000
100000
130000
Leclanché Capacitors for Critical Applications and Extreme Environments.
Tel. +41 24 445 66 88 - Fax +41 24 445 66 89 capinfo@Lcap.ch www.Lcap.ch
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