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Meidensha
Corporation (Meiden) of Japan
has been manufacturing vacuum
capacitors since 1980's.
Meiden high
quality-long life
vacuum capacitors are used in
variety of applications and industries:
* Vacuum
capacitors for RF generators and matching networks
in plasma deposition equipment.
* Vacuum
capacitors for broadcast HF and
UHF transmitters.
* Vacuum
capacitors for antenna tuning
units and couplers.
* Vacuum
capacitors for RF industrial heating and sealing generators
and matching networks.
* Vacuum
capacitors for magnetic
resonance imaging (MRI )systems.
Meidensha's vacuum capacitors
employ patented designs and are
known by the trade name MEIVAC.
Main features of MEIVAC vacuum
capacitor design include:
* Long life
* Compact design
* Low loss bellows
* High Q factor
* Small torque
* High resistance to side
loading
* Convection and/or water
cooling
High dielectric
strength, together with freedom from
dust contamination and humidity
enable higher voltage capabilities
than with air dielectric, giving a
far more compact component.
Meidensha’s
is continuously extending its range
of ceramic envelope capacitors
which offer
lower cost and higher voltage
hold-off and current carrying
capability for a given size.
Extensive
production and testing facilities at
our factory insure highest quality
possible.
Each vacuum
capacitor is individually tested to
insure high quality and long life.
For
high current applications some
models offer forced air and water
cooled capacitors.

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Select from variety of
variable vacuum capacitor designs:
-
NORMAL TYPE
-
HIGH CURRENT TYPE
-
HIGH VOLTAGE TYPE
-
HIGH FREQUENCY TYPE
-
GOLD TYPE
Capacitance range : 6 - 2000 pF
Voltage range : 5 - 35 kVp
Current range : up to 190 Arms
Life span :
> 10 million cycles
Replacements for some
well known types available.
Contact us for more information.
Download
Short Form Catalog.
Request
Full Catalog.
Contact our application engineers with
your requirements.
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Compact T Series
- Vacuum Capacitors Variable
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Max RF Current (Arms) at
13.56MHz
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| Model |
Peak
Test Voltage (kVp) |
Peak
Working Voltage (kVp) |
Capacitance
(pF) |
Max.
RF Current
(Arms)
|
Size
(mm) |
Torque
(N・cm) |
| SCV-155T |
15 |
9 |
70-500 |
80 |
80 |
130xφ52 |
17.6 |
| SCV-510T |
5 |
3 |
70-1000 |
| 80 |
80 |
130xφ52 |
17.6 |
| SCV-514T |
5 |
3 |
220-1400 |
80 |
80 |
130xφ52 |
17.6 |
| SCV-155TS |
15 |
9 |
70-500 |
100 |
100 |
115xφ62 |
23.8 |
| SCV-510TS |
5 |
3 |
70-1000 |
100 |
100 |
115xφ62 |
23.8 |
| SCV-155TL |
15 |
9 |
50-500 |
120 |
120 |
115xφ74 |
29.4 |
| SCV-510TL |
5 |
3 |
50-1000 |
120 |
120 |
115xφ74 |
29.4 |
| 120 |
120 |
115xφ74 |
29.4 |
| SCV-514TL |
5 |
3 |
60-1400 |
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Normal
Type - Vacuum Capacitors Variable
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|
Max RF Current (Arms) at
13.56MHz
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|
| Model |
Peak
Test Voltage (kVp) |
Peak
Working Voltage (kVp) |
Capacitance
(pF) |
Max.
RF Current
(Arms)
|
Max.
RF Current
(Arms)
Water cooled |
Size
(mm) |
Torque
(N・cm) |
| SCV-520M |
5 |
3 |
85-2000 |
100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
| SCV-514M |
5 |
3 |
90-1400 |
100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
| SCV-510M |
5 |
3 |
50-1000 |
100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
| SCV-7.55 |
7.5 |
4.5 |
30-500 |
100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
| 100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
| SCV-1010 |
10 |
6 |
80-1000 |
| SCV-155M |
15 |
9 |
50-500 |
100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
| SCV-152.5 |
15 |
9 |
30-250 |
100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
| SCV-152 |
15 |
9 |
12-200 |
100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
| SCV-151 |
15 |
9 |
10-100 |
100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
| SCV-204 |
20 |
12 |
80-450 |
100 |
100 |
130 |
130 |
140xφ89 |
24.5 |
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High Current Type - Vacuum
Capacitors Variable
|
|
Max RF Current (Arms)at
13.56MHz
|
| Model |
Peak
Test Voltage (kVp) |
Peak
Working Voltage (kVp) |
Capacitance
(pF) |
Max.
RF Current
(Arms)
|
Max.
RF Current
(Arms)
Water
cooled
|
Size
(mm) |
Torque
(N・cm) |
| SCV-520MA |
5 |
3 |
85-2000 |
110 |
110 |
140 |
140 |
140xφ89 |
29.4 |
| SCV-514MA |
5 |
3 |
90-1400 |
110 |
110 |
140 |
140 |
140xφ74 |
29.4 |
| SCV-510MA |
5 |
3 |
50-1000 |
110 |
110 |
140 |
140 |
140xφ74 |
29.4 |
| SCV-155MA |
15 |
9 |
50-500 |
110 |
110 |
140 |
140 |
140xφ74 |
29.4 |
| SCV204A |
20 |
12 |
80-450 |
110 |
110 |
140 |
140 |
140xφ89 |
29.4 |
| SCV-520L |
5 |
3 |
85-2000 |
130 |
130 |
160 |
160 |
180xφ94 |
49.0 |
| SCV-514L |
5 |
3 |
45-1400 |
130 |
130 |
160 |
160 |
180xφ94 |
49.0 |
| SCV-510L |
5 |
3 |
40-1000 |
130 |
130 |
160 |
160 |
180xφ94 |
49.0 |
| SCV-155L |
15 |
9 |
35-500 |
130 |
130 |
160 |
160 |
180xφ94 |
49.0 |
| SCV-204L |
20 |
12 |
80-450 |
130 |
130 |
160 |
160 |
180xφ94 |
49.0 |
| SCV-520LA |
5 |
3 |
85-2000 |
150 |
150 |
190 |
190 |
180xφ94 |
68.6 |
| SCV-514LA |
5 |
3 |
45-1400 |
150 |
150 |
190 |
190 |
180xφ94 |
68.6 |
| SCV-510LA |
5 |
3 |
40-100 |
150 |
150 |
184 |
180 |
180xφ94 |
68.6 |
| SCV-155LA |
15 |
9 |
35-500 |
150 |
150 |
190 |
190 |
180xφ94 |
68.6 |
| SCV-204LA |
20 |
12 |
8-450 |
150 |
150 |
190 |
190 |
180xφ94 |
68.6 |
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High
Voltage Type - Vacuum Capacitors Variable
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Max RF Current (Arms) at 13.56MHz
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| Model |
Peak
Test Voltage (kVp) |
Peak
Working Voltage (kVp) |
Capacitance
(pF) |
Max.
RF Current
(Arms)
|
Max.
RF Current
(Arms)
Water cooled |
Size
(mm) |
Torque
(N・cm) |
| SCV-304 |
30 |
18 |
70-450 |
130 |
130 |
160 |
160 |
220xφ108 |
49.0 |
| SCV-354 |
35 |
21 |
70-450 |
150 |
150 |
190 |
190 |
237.5xφ132 |
68.6 |
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High
Frequency Type - Vacuum Capacitors Variable
|
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Max RF Current (Arms) at 13.56MHz
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| Model |
Peak
Test Voltage (kVp) |
Peak
Working Voltage (kVp) |
Capacitance
(pF) |
Max.
RF Current
(Arms)
|
Max.
RF Current
(Arms)
Water cooled |
Size
(mm) |
Torque
(N・cm) |
| SCV-202 |
20 |
12 |
15-200 |
130 |
130 |
156 |
144 |
125xφ84 |
39.2 |
| SCV-201 |
20 |
12 |
12-100 |
115 |
72 |
156 |
72 |
125xφ84 |
39.2 |
| SCV-251.5 |
25 |
15 |
`18-150 |
146 |
135 |
177 |
135 |
125xφ94 |
68.6 |
| SCV-250.8 |
25 |
15 |
13-80 |
129 |
72 |
156 |
72 |
125xφ94 |
68.6 |
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Gold
Type - Vacuum Capacitors Variable
|
|
Max RF Current (Arms) at
13.56MHz
|
| Model |
Peak
Test Voltage (kVp) |
Peak
Working Voltage (kVp) |
Capacitance
(pF) |
Max.
RF Current
(Arms)
|
Max.
RF Current
(Arms)
Water cooled |
Size
(mm) |
Torque
(N・cm) |
| SCV-1020G |
10 |
6 |
85-2000 |
90 |
90 |
115 |
115 |
140xφ89 |
24.5 |
| SCV-1014G |
10 |
6 |
90-1400 |
90 |
90 |
115 |
115 |
140xφ73 |
24.5 |
| SCV-1010G |
10 |
6 |
50-1000 |
90 |
90 |
115 |
115 |
140xφ73 |
24.5 |
| SCV-1010GB |
10 |
6 |
50-1000 |
90 |
90 |
115 |
115 |
140xφ65 |
24.5 |
| SCV-104G |
10 |
6 |
60-450 |
90 |
90 |
115 |
115 |
100xφ63 |
19.6 |
| SCV-1510G |
15 |
9 |
80-1000 |
90 |
90 |
115 |
115 |
140xφ89 |
24.5 |
| SCV-155G |
15 |
9 |
25-500 |
90 |
90 |
115 |
115 |
140xφ62 |
24.5 |
| SCV-205G |
20 |
12 |
50-500 |
90 |
90 |
115 |
115 |
140xφ73 |
24.5 |
| SCV-201.7G |
20 |
12 |
45-170 |
90 |
90 |
115 |
115 |
100xφ63 |
19.6 |
| SCV-252.5G |
25 |
15 |
25-250 |
90 |
90 |
115 |
115 |
140xφ62 |
24.5 |
| SCV-252G |
25 |
15 |
12-200 |
90 |
90 |
115 |
115 |
140xφ62 |
24.5 |
| SCV-251G |
25 |
15 |
10-100 |
90 |
90 |
109 |
90 |
140xφ62 |
24.5 |
| SCV-250.8G |
25 |
15 |
10-80 |
86 |
72 |
104 |
72 |
100xφ62 |
19.6 |
| SCV-250.3G |
25 |
15 |
6-30 |
70 |
27 |
86 |
27 |
100xφ62 |
19.6 |
| SCV-300.2G |
30 |
18 |
6-20 |
67 |
21 |
82 |
21 |
100xφ62 |
19.6 |
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Select from variety of
fixed vacuum capacitor designs:
-
COMPACT TYPE
-
NORMAL TYPE
-
HIGH CURRENT TYPE
-
HIGH VOLTAGE TYPE
-
HIGH FREQUENCY
TYPE
Capacitance range : 6 - 1750 pF
Voltage range : 5 - 35 kVp
Current range : up to 150 Arms
Replacement models for
some Jennings and Comet
types available.
Contact us for more information.
Download
Short Catalog - Fixed
Types.
Request
Full Catalog.
Contact
our application engineers with
your requirements.
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5kV Compact Type - Vacuum Capacitors Fixed |
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Max RF Current (Arms) at
13.56MHz
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| Model |
Peak
Test Voltage
(kVp) |
Peak
Working Voltage
(kVp) |
Capacitance
(pF) |
Current
(Arms) |
Size
(mm) |
| SCF-51S |
5 |
3 |
100 |
40 |
18 |
30xφ36 |
| SCF-52S |
5 |
3 |
200 |
46 |
36 |
30xφ36 |
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| 5kV Normal Type -
Vacuum Capacitors Fixed |
|
Max RF Current(Arms) at
13.56MHz
|
| Model |
Peak
Test Voltage
(kVp) |
Peak
Working Voltage
(kVp) |
Capacitance
(pF) |
Current
(Arms) |
Size
(mm) |
| SCF51 / (51A) |
5 |
3 |
100 |
40/27 |
18/18 |
43xφ36 |
| SCF52 / (52A) |
5 |
3 |
200 |
46/30 |
36/30 |
43xφ36 |
| SCF53 / (53A) |
5 |
3 |
300 |
50/30 |
50/30 |
43xφ36 |
| SCF54 / (54A) |
5 |
3 |
400 |
50/30 |
50/30 |
43xφ36 |
| SCF55 / (55A) |
5 |
3 |
500 |
50/30 |
50/30 |
43xφ36 |
| SCF56 / (56A) |
5 |
3 |
600 |
50/30 |
50/30 |
43xφ43 |
| SCF57 / (57A) |
5 |
3 |
700 |
50/30 |
50/30 |
43xφ43 |
| SCF58 / (58A) |
5 |
3 |
800 |
50/30 |
50/30 |
43xφ43 |
| SCF59 / (59A) |
5 |
3 |
900 |
50/30 |
50/30 |
43xφ43 |
| SCF510 / (510A) |
5 |
3 |
1000 |
50/30 |
50/30 |
43xφ43 |
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| 5kV High Current
Type - Vacuum Capacitors Fixed |
|
Max RF Current(Arms) at
13.56MHz
|
| Model |
Peak
Test Voltage
(kVp) |
Peak
Working Voltage
(kVp) |
Capacitance
(pF) |
Current
(Arms) |
Size
(mm) |
| SCF-510C |
5 |
3 |
950 |
110 |
110 |
50xφ74 |
| SCF-515C |
5 |
3 |
1500 |
110 |
110 |
50xφ94 |
| SCF-518C |
5 |
3 |
1750 |
110 |
110 |
50xφ94 |
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| 15kV Normal Type -
Vacuum Capacitors Fixed |
|
Max RF Current(Arms) at
13.56MHz
|
| Model |
Peak
Test Voltage
(kVp) |
Peak
Working Voltage
(kVp) |
Capacitance
(pF) |
Current
(Arms) |
Size
(mm) |
| SCF-150.5(150.5A) |
15 |
9 |
50 |
44/30 |
27/27 |
43xφ36 |
| SCF-151(151A) |
15 |
9 |
100 |
50/30 |
50/30 |
43xφ36 |
| SCF-151.5(151.5A) |
15 |
9 |
150 |
50/30 |
50/30 |
43xφ36 |
| SCF-152(152A) |
15 |
9 |
200 |
50/30 |
50/30 |
43xφ36 |
| SCF-153(153A) |
15 |
9 |
300 |
50/30 |
50/30 |
43xφ43 |
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| 15kV High Current
Type - Vacuum Capacitors Fixed |
|
Max RF Current(Arms) at
13.56MHz
|
| Model |
Peak
Test Voltage
(kVp) |
Peak
Working Voltage
(kVp) |
Capacitance
(pF) |
Current
(Arms) |
Size
(mm) |
| SCF-150.5C |
15 |
9 |
50 |
64 |
27 |
48xφ52 |
| SCF-151C |
15 |
9 |
100 |
74 |
54 |
48xφ52 |
| SCF-151.5C |
15 |
9 |
150 |
80 |
80 |
48xφ52 |
| SCF-152C |
15 |
9 |
200 |
80 |
80 |
48xφ52 |
|
| 20kV High Current
Type - Vacuum Capacitors Fixed |
|
Max RF Current(Arms) at
13.56MHz
|
| Model |
Peak
Test Voltage
(kVp) |
Peak
Working Voltage
(kVp) |
Capacitance
(pF) |
Current
(Arms) |
Size
(mm) |
| SCF-200.5C |
20 |
12 |
50 |
81 |
36 |
50xφ62 |
| SCF-201C |
20 |
12 |
100 |
93 |
72 |
50xφ62 |
| SCF-201.5C |
20 |
12 |
150 |
100 |
100 |
50xφ62 |
|
| High Voltage Type - Vacuum Capacitors Fixed |
|
Max RF Current(Arms) at
13.56MHz
|
| Model |
Peak
Test Voltage
(kVp) |
Peak
Working Voltage
(kVp) |
Capacitance
(pF) |
Current
(Arms) |
Size
(mm) |
| SCF-355 |
35 |
21 |
500 |
150 |
150 |
180xφ110 |
| SCF-357 |
35 |
21 |
750 |
150 |
150 |
180xφ110 |
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