MKV AC Capacitors
GTO Snubbering and Clamping
B 25 856
High dielectric strength
High peak-current capability
Extremely low inductance
Construction
Self-healing
Plastic dielectric
Oil-impregnated tubular windings (no PCB)
Metal-sprayed end faces ensure reliable
contacting
q
Fully insulated case
q
Axial version
q
q
q
q
Terminals
q
Internal thread M6
×
8 and M8
×
10
q
Axial
Mounting
q
On the terminals
Individual data sheets
Individual capacitors of this series are specified in detail
(incl. thermal data)
on pages 268 … 295.
Upon request, these data sheets are available for each capacitor type.
262
Siemens Matsushita Components
B 25 856
GTO Snubbering and Clamping
Technical data
Standards
IEC 1071-1/2
EN 61071-1/2
VDE 0560 part 120 and 121
2 · 10
–4
Dielectric dissipation factor
Max. repetitive rate
of voltage rise
Max. non-repetitive rate
of voltage rise
Climatic data:
Min. operating temperature
Max. operating temperature
Average relative humidity
Failure quota
Load duration
Storage temperature limit
IEC climatic category
(IEC 68-1 and 2)
Test A, cold
Test B, dry heat
Test Ca, damp heat, steady state
Values after test Ca:
Capacitance change
Insulation resistance
Self-discharge time constant
τ
=
Dissipation factor change
Test data:
Voltage test between terminals
DC test voltage
AC test voltage (rms value)
Insulation resistance
Self-discharge time constant
τ
=
Dissipation factor (50 Hz)
tan
δ
0
(du/dt)
max
(du/dt)
s
Θ
min
Θ
max
α
FQ(co)
t
LD(co)
Θ
stg
î
---
-
C
I
S
---
-
C
– 25
°C
+ 85
°C
≤
95 %
300 failures per 10
9
component hours
100 000 h
≤
98 mm diameter: – 55/+ 85
°C
≥
103 mm diameter: – 30/+ 85
°C
25/085/56
– 25
°C
+ 85
°C
56 days/40
°C/93
% rel. humidity
∆
C
/
C
R
is
R
is
·
C
∆tan δ
≤
1%
C
N
≤
1
µF: ≥
10000 MΩ
C
N
> 1
µF: ≥
10000 s
≤
1 · 10
–4
U
TT
U
TT
R
is
R
is
·
C
tan
δ
1,5 ·
U
N
, 10 s
1,75 ·
U
N
, 10 s
1,25 ·
U
N
, 50 Hz, 10 s
C
N
≤
1
µF: ≥
10000 MΩ
(U
N
= DC)
(U
N
= AC)
(U
N
= AC)
C
N
> 1
µF: ≥
10000 s
≤
3 · 10
–4
Siemens Matsushita Components
263
B 25 856
GTO Snubbering and Clamping
Available ratings
U
N
(V)
U
N
(V)
C
R
(µF)
0,1
0,2
0,5
1,0
1,5
2,0
2,5
3,0
3,5
4,0
5,0
7,5
10
15
20
DC 1700
AC 1400
2000
1700
2500
2100
3000
2500
3300
2800
4000
3400
Additional intermediate ratings upon request.
Data book range
Upon request
264
Siemens Matsushita Components
B 25 856
GTO Snubbering and Clamping
Characteristics and ordering codes
C
N1)
µF
I
max
î
I
s
R
S
L
self
Dimensions Fig. Appr. Ordering code
20
°C
d
×
l
weight
mΩ
nH
mm
g
Pg.
A
A
A
U
N
= DC 1700 V
0,2
0,5
1
1,5
2
3
4
5
7,5
15
20
30
40
60
80
70
80
70
80
80
80
80
200
700
1400
1400
2000
3000
2400
3000
3000
3000
6000
500
1800
3500
3500
5000
7500
6000
7500
7500
7500
15000
3,1
3,1
1,6
1,1
1,5
1,1
1,8
1,5
1,0
2,0
1,6
U
N
= AC 1400 V
<20 40
×
49
<20 43
×
59
<20 53
×
59
<20 68
×
68
<20 68
×
79
<20 78
×
79
<20 73
×
100
<20 78
×
100
<20 93
×
100
<20 93
×
168
<20 103
×
168
û
= 2000 V
u
s
= 2900 V
1
1
1
2
2
2
2
2
2
2
2
130
170
200
500
550
650
700
800
1000
1600
1900
U
TT
= AC 1800 V, 10 s
B25856-K0204-K003
B25856-K0504-K003
B25856-K0105-K003
B25856-K0155-K003
B25856-K0205-K003
B25856-K0305-K003
B25856-K0405-K003
B25856-K0505-K003
B25856-K0755-K003
B25856-K0156-K003
B25856-K0206-K003
268
270
272
274
U
N
= DC 2000 V
0,2
0,5
1
2,5
7,5
15
30
40
50
80
80
80
350
900
1200
3000
4200
5400
900
2300
3000
7500
10500
13500
6,0
2,5
2,4
1,0
1,4
1,6
U
N
= AC 1700 V
<20 40
×
59
<20 48
×
59
<20 53
×
70
<20 83
×
79
<20 93
×
126
<20 103
×
168
û
= 2400 V
u
s
= 3500 V
1
1
1
2
2
2
150
200
250
700
1250
1900
U
TT
= AC 2200 V, 10 s
B25856-K4204-K003
B25856-K4504-K003
B25856-K4105-K003
B25856-K4255-K003
B25856-K4755-K003
276
B25856-K4156-K003
U
N
= DC 2500 V
0,2
1,5
2,5
4
5
7,5
10
30
80
80
80
80
80
80
500
3600
3500
5600
5000
5000
6800
1200
9000
8800
14000
12500
13000
17000
6,1
0,9
1,3
0,8
1,5
1,8
1,4
U
N
= AC 2100 V
<20 40
×
70
<20 83
×
79
<20 83
×
100
<20 103
×
100
<20 93
×
142
<20 98
×
173
<20 108
×
173
û
= 3000 V
u
s
= 4300 V
1
2
2
2
2
2
2
160
700
850
1200
1400
1800
2200
U
TT
= AC 2700 V, 10 s
B25856-K1204-K003
B25856-K1155-K003
B25856-K1255-K003
B25856-K1405-K003
B25856-K1505-K003
B25856-K1755-K003
B25856-K1106-K003
278
1) Capacitance tolerance
±
10 %
Siemens Matsushita Components
265
B 25 856
GTO Snubbering and Clamping
Characteristics and ordering codes
C
N1)
µF
I
max
î
I
s
R
S
L
self
Dimensions Fig. Appr. Ordering code
20
°C
d
×
l
weight
mΩ
nH
mm
g
Pg.
A
A
A
U
N
= DC 3000 V
0,2
0,5
1
1,5
2
2,5
3
3,5
4
5
30
60
80
80
80
80
80
80
80
80
600
1500
3000
2700
3600
4500
5400
4200
4800
6000
1500
3800
7500
6800
9000
11000
13500
10500
12000
15000
4,8
2,0
1,1
1,7
1,3
1,0
0,9
1,7
1,5
1,2
U
N
= AC 2500 V
<20 43
×
70
<20 63
×
79
<20 83
×
79
<20 78
×
100
<20 88
×
100
<20 98
×
100
<20 103
×
100
<20 93
×
142
<20 98
×
142
<20 108
×
142
û
= 3600 V
u
s
= 5200 V
1
2
2
2
2
2
2
2
2
2
180
500
700
800
900
1100
1200
1400
1500
1800
U
TT
= AC 3200 V, 10 s
B25856-K7204-K003
B25856-K7504-K003
B25856-K7105-K003
B25856-K7155-K003
B25856-K7205-K003
B25856-K7255-K003
B25856-K7305-K003
B25856-K7355-K003
B25856-K7405-K003
B25856-K7505-K003
280
282
284
286
U
N
= DC 3300 V
0,1
0,2
0,5
1
2,5
5
20
40
70
70
80
80
350
700
1800
2200
3500
5000
900
1800
4500
5500
8800
12500
8,0
4,0
1,7
2,0
2,0
1,8
U
N
= AC 2800 V
<20 40
×
70
<20 48
×
70
<20 73
×
79
<20 78
×
100
<20 88
×
142
<20 103
×
173
û
= 4000 V
u
s
= 5800 V
1
1
2
2
2
2
160
250
600
800
1300
2000
U
TT
= AC 3500 V, 10 s
B25856-K3104-K003
B25856-K3204-K003
B25856-K3504-K003
B25856-K3105-K003
B25856-K3255-K003
288
B25856-K3505-K003
U
N
= DC 4000 V
0,1
0,2
0,5
1
1,5
2
2,5
3
4
30
50
80
80
80
80
80
80
80
600
1200
3000
3500
5300
5000
3800
4500
6000
1500
3000
7500
8800
13000
12500
9400
11000
15000
5,1
2,6
1,1
1,3
0,9
1,3
2,3
2,0
1,5
U
N
= AC 3400 V
<20 43
×
70
<20 53
×
70
<20 83
×
79
<20 88
×
105
<20 103
×
105
<20 98
×
126
<20 88
×
168
<20 98
×
168
<20 108
×
168
û
= 4800 V
u
s
= 7000 V
1
1
2
2
2
2
2
2
2
180
250
700
1000
1250
1350
1500
1700
2100
U
TT
= AC 4300 V, 10 s
B25856-K2104-K003
290
B25856-K2204-K003
B25856-K2504-K003
B25856-K2105-K003
B25856-K2155-K003
292
B25856-K2205-K003
B25856-K2255-K003
B25856-K2305-K003
B25856-K2405-K003
294
1) Capacitance tolerance
±
10 %
266
Siemens Matsushita Components
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