DXU Range

HV ceramic capacitors 10kV - 50kV
Basic Specification These High Voltage Capacitors are designed to meet the stringent requirements of High Voltage applications. They are designed for applications which require a low dissipation factor and a small voltage coeffi cient.

Features Applications
Epoxy resin encapsulated Gas laser
Small size DC HV power supplies
Low dissipation factor Lightning arresters, voltage distribution systems
Linear temperature characteristic Electron microscopes, synchroscopes
Low DC, AC - voltage coeffi cient Electrostatic coating machines.


General Specification
Part No.
Capacitance (pf)
Capacitance
Tolerance %
DC Rated Voltage (kV)
 Dimensions D L H
Terminal Type
Thread & Depth
DXU-10-561
560
± 10
10
 24 20 18
M4x4mm
DXU-10-122
1200
± 10
10
 30 20 18
M4x4mm
DXU-10-282
2800
± 10
10
 40 20 18
M5x4mm
DXU-10-502
5000
± 10
10
 52 20 18
M5x4mm
DXU-10-802
8000
± 10
10
 60 16 14
M5x4mm
DXU-20-281
280
± 10
20
 24 26 24
M4x4mm
DXU-20-881
880
± 10
20
 30 26 24
M4x4mm
DXU-20-142
1400
± 10
20
 40 26 24
M5x4mm
DXU-20-252
2500
± 10
20
 52 26 24
M5x4mm
DXU-20-402
4000
± 10
20
 60 26 24
M5x4mm
DXU-30-591
590
± 10
30
 30 30 28
M4x4mm
DXU-30-941
940
± 10
30
 40 30 28
M5x4mm
DXU-30-172
1700
± 10
30
 52 30 28
M5x4mm
DXU-30-272
2700
± 10
30
 60 30 28
M5x4mm
DXU-40-441
440
± 10
40
 30 32 30
M4x4mm
DXU-40-701
700
± 10
40
 40 32 30
M5x4mm
DXU-40-132
1300
± 10
40
 52 32 30
M5x4mm
DXU-40-202
2000
± 10
40
 60 32 30
M5x4mm
DXU-50-401
400
± 10
50
 30 35 33
M4x4mm
DXU-50-651
650
± 10
50
 36 35 33
M4x4mm
DXU-50-911
910
± 10
50
 40 33 31
M4x4mm
DXU-50-112
1100
± 10
50
 52 35 33
M5x4mm
DXU-50-172
1700
± 10
50
 59 35 33
M5x4mm


Temperature Characteristic


Typical Voltage Coefficient


Frequency Characteristic
Specifications & Testing
1. Operating temperature range
Specification Testing method
-20 to +85°C N/A


2. Capacitance
Specification Testing method
Within the specified tolerance The capacitance should be measured at 20°C with 1 ± 0.1kHz and AC 1 to 5V (r.m.s)


4. Dissipation factor
Specification Testing method
0.3% max The dissipation factor - measured at 20°C with 1 ± 0.1kHz and AC 1 to 5V (r.m.s)


5. Dielectric strength
Specification Testing method
Between terminal - No failure The capacitor should not be damaged when DC voltage of 150% of the rated voltage is applied between the terminals for 60 ± 5sec. in insulating liquid or gas (Charge/Discharge currents <50mA)


6. Insulation resistance (I.R.)
Specification Testing method
10000MOhm min. The insuluation resistance should be measured with DC 1000V
within 60 ± 5sec. of charging

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