178
75-92
_______________________________________________________________________
PAPER METALLIZER IMPREGNATED FILM CAPACITORS
,
.
75-63.
:
.
Designed to operate in DC and ripple
current circuits and in pulse mode.
Can be used instead of K75-63.
Design:
cylindrical housing made of
polymeric materials. Axial terminals.
" "
Design " "
L
12
max
12
max
12
1
L
25
max
25
max
M6-
6g
D
D
"b"
Design "b"
0,22...40
Rated capacitance
0.22...40 F
2,5...12
Rated voltage
2.5...12 kV
+10; +20%
Capacitance tolerance
+10; +20%
f = 1
<0,01
Dissipation factor at f=1 kHz
<0.01
r < 0,22
> 2000
Insulation
resistance
at r < 0.22 F
> 2000 MOhm
r > 0,22
> 500
.
Time
constant
at r > 0.22 F
> 500 MOhm.F
-60...+70
o
C
Operating
temperature
range
-60...+70
o
C
a 50000
Operating time
50000 hours
10
Shelf life
10 years
:
75-924
1
10%
Ordering example:
Capacitor K75-924kV1F 10%
179
D, mm
L, mm
Ur, kV
Cr, F
Rated
value
Limit
discrepancy
Rated
value
Limit
discrepancy
Mass, g
max
Design
1 18
1.35
70
2.2 25
1.65
100
a
4.7 35
160
10 50
1.95
270
20 70
90 2.7
470
2.5
40 80
2.3
140 3.15 970
a, b
0.22 16 1.35
60
0.47 22
80
a
1 30
1.65
130
2.2 42
90 2.7
210
4.7 50
1.95
350
10 65 2.3
570
4
20 90 2.7
140
1100
a, b
0.22 22
200 a
0.47 30
1.65
300
1.0 40
1.95
450
2.2 58
140
3.15
750
4.7 65
2.3
1200
8
10 90 2.7
2200
0.22 25 1.65
300
0.47 35
500
1.0 50
1.95
850
2.2 70 2.3
1500
12
4.7 102 2.7
270 4.05
2900
a, b
K
Minimum operating time as a function of coefficient K
4.7 (5.0)
1
1.2
0.9
4 (4.3)
3 (3.3)
5 (5.3)
K
lg (lg N)
3.5 (3.8)
4.5 (4.8)
1.1
:
-
;
-
.
K=U/Ur
Minimum operating time given:
- in brackets in pulses ;
- without brackets in hours.
Where K=U/Ur
180
U
2
m
CF tg
g
+2( U
m
FC)
2
R
A
< 20 / R
T
,
R
T
, tg
g
, R
A
-
,
:
Permissible amplitude of AC sinusoidal component of voltage at amb is expressed by
U
2
m
CF tg
g
+2( U
m
FC)
2
R
A
< 20 / R
T
,
where R
T
, tg
g
, R
A
- are parameters given in the table:
Ur, V
Cr, F
R
A
*10
3
, Ohm
R
T
,
o
C/W
t
g
g
*10
4
1
41.2 21.3
2.2
18.4 15.7
4.7
8.9 11.7
10
4.1 8.7
20
2.1 6.7
2.5
40
2.8 4.5
0.22
95.1 23.5
0.47
50.9 18.7
1
25.6 14.3
2.2
10.9 10.2
4.7
14.3 6.7
10
7.3 5.3
4
20
3.4 4.1
0.22
107.2 10.9
0.47
48.3 8.1
1.0
23.8 6.3
2.2
10.3 4.7
4.7
14.0 3.0
8
10
6.5 2.4
0.22
49.2 4.5
0.47
24.3 3.6
1.0
10.9 2.8
2.2
5.1 2.2
12
4.7
41.2 21.3
3
:
Permissible parameters of pulse mode must not exceed the values calculated from the following
formulas:
T
A
r
r
R
R
F
C
U
F
F
C
U
/
20
/
2
.
1
8
.
1
lg
10
4
.
2
2
2
2
4
,
,
1
.
1
0
I
F
C
U
r
Im < Im
max
U -
,
;
F -
,
;
, .
I
0
= 25
"a";
I
0
= 40
"b"
Im -
Im
max
-
(
).
181
where
U - amplitude of peak-to-peak pulse voltage, V;
F - pulse repetition rate;
discharge current pulse duration, s;
I
0
= 25 for design "a";
I
0
= 40 for design "b";
Im - discharge current amplitude
Im
max
- Max. discharge current amplitude that is given in the table below
,
Max. discharge current amplitude, A
Ur, V
Cr, F
I
m
, A
1
70
2.2
160
4.7
340
10
730
20
1400
2.5
40
1600
0.22
30
0.47
60
1
120
2.2
270
4.7
320
10
640
4
20
1300
0.22
50
0.47
120
1.0
240
2.2
550
4.7
640
8
10
1300
0.22
180
0.47
370
1.0
820
2.2
1700
12
4.7
70
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