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Электронный компонент: K78-19

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K78-19
___________________________________________
SMALL HIGN-FREQUENCY METALLIZED POLYPROPYLENE FILM CAPACITORS
:
. 673635.005
,
,
.
:
,
.
Specifications:
. 673635.005
Designed to operate in DC, AC and
ripple current circuits and in pulse
mode
.
Design: wrapped with adhesive tape;
capacitor ends sealed with
compound.
25
+5
L max
D m
a
x
d
0,01 .... 22
Rated capacitance
0,01 .... 22 F
(
-60
o
C ...+85
o
C) 200
Rated voltage
(temperature range -60
o
C ...+85
o
C)
200 V
C
0,47
C
> 0,47
5, 10; 20 %
2, 5, 10; 20 %
Capacitance
tolerance
at Cr 0,47 F
at Cr > 0,47 F
5, 10; 20 %
2, 5, 10; 20 %
f = 1
0,0015
Dissipation factor at f = 1 kHz
0,0015
C
0,22
50 000 Mo
Insulation
resistance
at Cr 0,22 F
50 000 MOhm
C
> 0,22
15 000 Mo
Time
constant
at Cr > 0,22 F
15 000 MohmF
-60...+100
o
C
Operating
temperature
range
-60...+100
o
C
(-500... 0)10
-
6
-1
TC
(-500 ... 0) ppm/
o
C
15 000
Operating time
15 000 hours
12
Shelf
life
12
years
(933%
.
402
o
C,
21
)
Climatic
categories
RH
933%,
402
o
C, 21 days
:
78-19 200 - 5,6
- 10% L*
*L
C
= 0,47 ... 2,2
Ordering example:
Capacitor K78-19 200 V - 5,6 F - 10% L*
*L is for Cr = 0,47 ... 2,2 F
,
C
r
, F
D
max
,
mm
L
max
,
mm
d,
mm
,
Mass, g
max
,
C
r
, F
D
max
,
mm
L
max
,
mm
d,
mm
,
Mass, g
max
0.010
14
30
0.8
10
0.015
1.0
18
20
12
0.022
2
16
30
0.033
6.3
16
0.6
1.5
18
25
15
0.047
8
3
1.8
20
25
20
0.068
9
4
16
45
35
0.10
10
18
5
2.2
18
35
30
0.15
9
6
3.3
20
50
0.22
10
7
4.7
23
0.33
12
20
8
5.6
25
45
60
10
30
9
6.8
21
65
0.47
14
20
8
10
24
70
12
30
9
15
29
75
0.68
16
20
0.8
10
22
35
60
1.0
80
U
t
Permissible voltage U
t
as a function of ambient temperature
U
t
0
-20
-40
-60
20
40
60
85
100
100
80
60
40
20
C
o
80
t
U
%
U
f
f
Permissible amplitude of AC sinusoidal voltage or amplitude of AC sinusoidal component of ripple voltage
U
f
as a function of frequency f
0,01 0,022 0,047 0,1 0,22 0,47
1,0
2,2
4,7
10
22
0,4
1
10
10
2
10
3
f
C
0,03
0,1
0,2
0,4
0,6
0,8
1,0
2
4
6
8
10
20
40
60
80
100
U
f
2
5
2
5
2
5
%
U
t
U
f
:
:
f = 20
, C
= 1
U
= 200 ( t 85
o
C )
:
U
f
= 17,5%
U
= 35 B
Example of calculation of U
f
:
Given:
f = 20 kHz , C
r
= 1 F
U
r
= 200 V ( t 85
o
C )
Finding:
U
f
= 17,5% f U
r
= 35 V
U
F ,
,
,
.
Permissible peak-to-peak pulse voltage U as a function of pulse repetition frequency F , minimal
temporal sector , corresponding pulse leading edge slope
or pulse trailing edge slope and rated
capacitance
r
0,05
0,1
0,2
0,4
0,6
0,8
1,0
2
4
6
8
10
20
40
60
80
100
2,2 4,7
2,2 4,7
2,2 4,7
2,2
2
5
2
5
2 3,2
10
10
10
1
10
2
F
C
5
2
5
-1
0
3
10
10
10
-1
10
0
-2
1
10
Uu
Ut
%
U
U
u
t
c
u
=10 C
-5
u
=8 10 C
u
=5 10 C
u
=5 10 C
u
=10 C
-6
-6
-6
-7
U :
Example of calculation of U :
:
F = 32
,
= 810
-6
c,
Given:
F = 32 kHz ,
= 810
-6
s,
U
t
= U
= 200 , C
= 0,33
U
t
= U
r
= 200 V, C
r
= 0,33 F
:
U = 50%
U
= 100
Finding:
U = 50% f U
r
= 100 V
I
m
dU/dt
Maximum permissible amplitude of pulse current I
m
and rate of the voltage change dU/dt
C
,
C
r
, F
I
m
, max, A
dU/dt, max,
V/s
0,01...0,033 1,6...5,3
160
0,047...0,1 4,5...9,5
95
0,15...0,33 10,5...23
70
0,47...1,5 13...42
28
1,8...4,7 27...70
15
5,6...22 56...220
10