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Piezoelectrics Ceramics Properties & Applications Manual


Capacitors

RF Power Capacitors > Ceramic Disc > 3.5 - 4kV

Ceramic Power Capacitors can be defined as capacitors suitable for Radio Frequency use with reactive powers greater than 1kVA, rated currents greater than 1A rms and rated voltage greater than 700V

Applications include

  • Radio Broadcast Transmitters
  • Antenna Units
  • Induction and dielectric heating
  • Filter, bypass and coupling circuits in the frequency range 50kHz to 100MHz

 

 



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Same design but higher voltage

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Material Characteristics Units  
Typical Dissipation Factor @ 1MHz for C<1000pF x10-4 =<5
Typical Dissipation Factor @ 1kHz for C>=1000pF x10-4 =<10
Volume Resistivity ohm M 1013
Temperature Range °C -25 to +95
Maximum Relative Humidity % 75

Type 1 Ceramic Discs
Type Cap Value TCC Rated Voltage
AC + DC		 Rated Voltage
AC		 Test Voltage
50Hz		 Max Power Rating Max Current Rating
 
pF ± 20%
ppm/°C
kV
kV pk
kV rms
kVAr
A rms
10
2 - 6.5
+100
4
3
4
4
2
11
6.6 - 15
-30
4
3
4
4
2
12
15 - 50
-750
4
3
4
4
2
806
50 - 100
-1300
4
3
4
4
2

Type 2 Ceramic Discs


(Dimension B will vary depending upon capacitance value)

Type
Cap Value
Temp Char
Rated Voltage
AC + DC
Rated Voltage
AC
Test Voltage
50Hz
Max Power Rating
Max Current Rating
øA
B Nom
Thread Size
 
pF+40/-20%
 
kV
kV pk
kV rms
kVAr
A rms
mm
mm
mm
855
1000
Y5U
3.5
3.5
5
0.25
5
23
23
M4
855
1500
Y5U
3.5
3.5
5
0.25
5
23
21
M4
856
3300
Y5U
3.5
3.5
5
0.5
9
33
19
M4
857
4700
Y5U
3.5
3.5
5
1.0
15
45
24
M6
857
6800
Y5U
3.5
3.5
5
1.0
15
45
22
M6
858
10000
Y5U
3.5
3.5
5
1.5
15
57
22
M6
858
15000
Y5U
3.5
3.5
5
1.5
15
57
18
M6

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All enquiries for this product should be made to:

Morgan Electro Ceramics Ltd 
Vauxhall Industrial Estate, Ruabon, Wrexham, LL14 6HY, England
Telephone: +44 (0)1978 810456
Fax: +44 (0)178 824303
Email: ruabon.sales@morganplc.com

If you have a general enquiry we suggest you use our enquiry form.

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No information may be used without prior written consent.