HIGH VOLTAGE CAPACITORS Type KHT 50
Applications KHT 50 Series
High DC Voltage filtering
Voltage multipliers & dividers
HF signal coupling
Pulses / Fast discharges
Main characteristics
Compact
UT 2x UN
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
1.0 Rated values and operational data
Nominal voltage UN [VDC] 10 k
[VAC] 500 50/60 Hz permanent
Acceptable HF voltage [Vrms] < 500 20 Hz ... 500 kHz lowering see graph
Test voltage UT [VDC] 20 k 1 min, 23 °C
[VAC] 5k 50 Hz, 10s
Impulse voltage [V ] 22 k wave 1.2 / 50 µs
Test description at 2 impulses/min 10 x + 20 kV then 10 x -20 kV, wave 1.2 / 50 µs
2.0 Capacitance range
Cn => 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 Typ Max
4
Dissipation factor tg 100 Hz 5x 10
4
1 kHz 10x 10
1 VAC / 23 °C 4
10 kHz 20x 10
4
100 kHz 25x 10
500 kHz < 10 nF 25x 10 4
500 kHz 10 nF to 68 nF 30x 10 4
4
500 kHz > 68 nF 40x 10
Insulation resistance Ri 1 min, 500 [G ] 100
VDC, 23°C
Self inductance ESL [nH/mm] 1
Temperature coefficient c
-40 ... +70°C [ppm / °C] -25±35
Climatic category IEC 40/70/21
Standard
Reliability 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 20 kHz [Veff]
Un 100 kHz [Veff]
Un 500 kHz [Veff]
100
0
10 10000 10000000
Capacitance [pF]
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
0.01
0 1000 2000 3000 4000 5000
Applied Voltage [VAC]
5.0 Dimensions, shape:
i1 L i2 D
d
d i1, i2
Tinned copper wires 1.5 mm 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
Un 20 Un 100 Un I RMS 500 ESR
B4F1 Type Cn Dimension
kHz kHz 500 kHz kHz 500kHz
Pos. [pF] ø [mm] L [mm] [Veff] [Veff] [Veff] [A] [ ]
1 KHT 50 - 468 68 14.5 55 500 500 500 0.11 11.706
2 KHT 50 - 310 100 14.5 55 500 500 500 0.16 7.961
3 KHT 50 - 315 150 14.5 55 500 500 500 0.24 5.308
4 KHT 50 - 322 220 14.5 55 500 500 496 0.34 3.620
5 KHT 50 - 333 330 14.5 55 500 500 405 0.42 2.414
6 KHT 50 - 347 470 14.5 55 500 500 339 0.50 1.696
7 KHT 50 - 368 680 14.5 55 500 500 282 0.60 1.173
8 KHT 50 - 210 1000 16.3 55 500 500 248 0.78 0.799
9 KHT 50 - 215 1500 15.5 75 500 500 226 1.06 0.534
10 KHT 50 - 222 2200 17 75 500 440 196 1.35 0.365
11 KHT 50 - 233 3300 18 75 500 371 165 1.71 0.244
12 KHT 50 - 247 4700 20 75 500 329 146 2.16 0.172
13 KHT 50 - 268 6800 23 75 500 296 131 2.79 0.120
14 KHT 50 - 110 10000 27 77 500 271 119 3.73 0.083
15 KHT 50 - 115 15000 25 100 500 237 103 4.86 0.056
16 KHT 50 - 122 22000 30 100 500 217 93 6.44 0.039
17 KHT 50 - 125 25000 33 100 500 215 92 7.21 0.035
18 KHT 50 - 133 33000 36 100 491 197 83 8.59 0.027
19 KHT 50 - 140 40000 31 135 468 187 78 9.80 0.023
19 KHT 50 - 147 47000 33 135 447 179 74 10.87 0.020
20 KHT 50 - 168 68000 39 135 408 163 65 13.90 0.015
21 KHT 50 - 010 100000 46 135 369 148 48 15.00 0.011
22 KHT 50 - 013 130000 52 135 347 139 37 15.00 0.009
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
