K78-10
__________________________________________________________________________
HIGN-FREQUENCY POLYPROPYLENE FILM CAPACITORS
:
. 673635.007
,
,
.
:
" "
,
" "
.
Specification:
. 673635.007
Designed to operate in DC, AC and ripple
current circuits and in pulse mode.
Design: design " " is dipped,
design " " is in plastic case.
20
+5
L max
H ma
x
3 max
A
d
B max
`
o
+0,1
37,5+0,8
1
2
42+0,8
20+0,65
1
1
1min
40+0,
8
4
0
-5
0,
4
" "
" "
Design " " Design " "
0,001 .... 2,2
0,68
Rated
capacitance
design " "
design " "
0,001 .... 2,2 F
0,68F
250, 315, 630,
1000, 1600, 2000
1000
Rated voltage
design " "
design " "
250, 315, 630,
1000, 1600, 2000 V
1000 V
5, 10; 20 %
Capacitance tolerance
5, 10; 20 %
f = 1
U
= 250
U
> 250
0,0015
0,0010
Dissipation factor at f = 1 kHz
Ur = 250 V
Ur > 250 V
0,0015
0,0010
C
0,33
U
= 315
U
= 250, 1000, 1600, 2000
100 000 Mo
50 000 Mo
Insulation
resistance
at Cr 0,33 F
Ur = 315 V
Ur = 250, 1000, 1600, 2000 V
100 000 MOhm
50 000 Mohm
C
> 0,33
U
= 250
15 000
Time constant
at Cr > 0,33 F
Ur = 250 V
15 000 MOhm F
-60...+85
o
C
Operating
temperature
range
-60...+85
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
:
78-10 - 250 - 1,5
- 10%
-17,5
( )
Ordering example:
Capacitor K78-10 - 250 V - 1,5 F - 10% -
17,5 mm (A)
" "
Design " "
,
/ Dimensions, mm
U
,
U
r
, V
C
,
C
r
, F
L B H
,
Mass, g max
1000 0,68 420,8
200,65
400,8 65
U
f
f
Permissible amplitude of AC sinusoidal voltage or amplitude AC sinusoidal component of ripple voltage U
f
as a function of frequency f
1600 2000
1000
630
250
U
,
315
2
10
10
-1
10
2
10
1
U
f
4
6
8
0
4
6
8
2
4
6
8
%
2
10
-3
10
-1
1,5
10
10
10
3
4
0
f
10
5
10
-2
2,2 3,3 4,7 6,8
1,5 2,2 3,3 4,7 6,8
1,5 2,2 3,3 4,7 6,8
1,5 2,2
2
5
2
5
2
5
10
6
C
250
*
U
250* -
,
*
250* - for capacitors pointed out in the table by*
:
Limits:
U
f
U
U
f
U
r
U
f
750 B
U
= 1000 B; 1600 B
U
f
750 V for U
r
= 1000 V; 1600 V
U
f
1100 B
U
= 2000 B
U
f
1100 V for U
r
= 2000 V
U
f
Example of calculation of U
f
: f = 10
5
, U
= 2000 ,
Given: f = 10
5
Hz , U
r
= 2000 V,
C
= 0,015
C
r
= 0,015 F
: U
f
= 18%
U
= 360
Finding: U
f
= 18% f U
r
= 360 V
: f = 510
5
, U
= 315 ,
Given: f = 5 10
5
Hz , U
r
= 315 V,
C
= 0,33
C
r
= 0,33 F
: U
f
= 5,7%
U
= 18
Finding: U
f
= 5,7% f U
r
= 18 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
U
10
10
10
3
4
0
F
10
5
1,5
4,7
2
5
2
5
2,2
6,8
2
5
1,5
3,3
10
6
C
U
u
U
c
u =
10 C
-5
u =
5 10 C
-6
u =
10 C
-6
u =
5 10 C
-7
u =
10 C
-7
t
2,2
10
-1
4,7 6,8
1,5
3,3
2,2
10
-2
4,7 6,8
1,5
3,3
2,2
10
-3
2
10
10
10
10
4
6
8
2
4
6
8
2
4
6
8
%
-1
0
2
1
1600
2000
1000
630
250
250
U
,
*
315
)
U
u
250* -
,
*
250* - for capacitors pointed out in the table by*
:
Limits:
U
U
U
U
r
U
1500 B
U
= 1600 B
U
1500 V for U
r
= 1600 V
U
Example of calculation of U
:
F = 10
4
,
=10
-7
c,
Given:
F = 10
4
Hz ,
=10
-7
c,
U
= 2000 , C
= 0,015
U
r
= 2000 , C
r
= 0,015 F
:
U = 28%
U
= 560
Finding:
U = 28% f U
r
= 560 V
:
F = 10
5
,
= 10
-7
c,
Given:
F = 10
5
Hz ,
= 10
-7
c,
U
= 315 , C
= 0,33
U
r
= 315 V, C
r
= 0,33 F
:
U = 13,5%
U
= 42,5
Finding:
U = 13,5% f U
r
= 42,5 V
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