WIMA Snubber FKP
Snubber FKP Capacitors for High Pulse Applications with
Metal Foil Electrodes, Schoopage Contacts and Self-Healing
Internal Series Connection
Special Features
˜
High pulse duty
˜
Self-healing
˜
Particularly reliable contact-
configurations: 4-pin versions and
screwable plate connections
˜
Internal series connection
˜
Very low dissipation factor
˜
Negative capacitance change
versus temperature
˜
According to RoHS 2002/95/EC
D
Electrical Data
Capacitance range:
0.01
m
F to 2.2
m
F
Rated voltages:
630 VDC, 1000 VDC, 1600 VDC,
2000 VDC, 3000 VDC, 4000 VDC
Capacitance tolerances:
±20%, ±10%, ±5% (other tolerances are
available subject to special enquiry)
Operating temperature range:
–55) C to +100) C
Climatic test category:
55/100/56 in accordance with IEC
Insulation resistance
at +20+ C:
C
T
0.33
mF:
1 x 10
5
M¸
(mean value: 5 x 10
5
M¸)
C
0.33
mF:
30 000 sec (M¸ x
mF)
(mean value: 100 000 sec)
Measuring voltage: 100 V/1 min.
Test voltage:
L
P
41.5: 1.6 U
r
, 2 sec
L
½
41.5: 1.4 U
r
, 2 sec
L
½
56 : 1.2 U
r
, 2 sec
Dissipation factors
at + 20) C: tan
d
at f
1 kHz
10 kHz
100 kHz
Capacitance
mF
0.01
0.033
0.1
0.33
1.0
...
...
...
...
...
0.022
0.068
0.22
0.68
2.2
C
T
0.1
mF
T
3 x 10
-4
T
4 x 10
-4
T
15 x 10
-4
Voltage derating:
A voltage derating factor of 1.35 % per K
must be applied from +85+ C for DC
voltages and from +75+ C for AC
voltages
Reliability:
Operational life
300 000 hours
Failure rate
P
1 fit (0.5 x U
r
and 40) C)
Specific dissipation:
Box size*
Specific dissipation in Watts per K
W x H x L in mm above the ambient temperature
19 x 31 x 56
23 x 34 x 56
27 x 37.5 x 56
33 x 48 x 56
37 x 54 x 56
* other box sizes see page 10.
Typical Applications
For high pulse and high frequency
applications requiring extremely
reliable contacts e.g.
˜
IGBT-applications
0.068
0.079
0.092
0.122
0.142
Construction
Dielectric:
Polypropylene (PP) film
Capacitor electrodes:
Aluminium foil and single-sided metallized
plastic film
Internal construction:
0.1
mF
< C
T
1.0
mF
T
3 x 10
-4
T
6 x 10
-4
–
C > 1.0
mF
T
3 x 10
-4
–
–
Maximum pulse rise time:
Plastic film
Metal foil electrode
Vacuum-deposited
electrode
Metal contact layer
(schoopage)
Terminating plate
max. pulse rise time V/msec at T
A
< 40) C
630 VDC 1000 VDC 1600 VDC 2000 VDC 3000 VDC 4000 VDC
–
9000
9000
5000
1600
11000
9000
9000
5000
2000
11000
9000
9000
5000
–
11000
9000
9000
5000
–
11000
9000
9000
5000
–
11000
9000
9000
5000
–
Encapsulation:
Solvent-resistant, flame-retardant plastic
case with epoxy resin seal, UL 94 V-0
Terminations:
Tinned wire or plates.
Marking:
Colour: Red. Marking: Black.
Epoxy resin seal: Red
for pulses equal to the rated voltage
Mounting Recommendation
Excessive mechanical strain, e.g. pressure
or shock onto the capacitor body, is to be
avoided during mounting and usage of
the capacitors. When fixing the plates the
screw torque is to be limited to max. 5 Nm.
Packing
Transportation-safe packing in
cardboard boxes.
Packing units:
L
18
26.5
31.5
41.5
56
pcs. per packing unit
100
100
100
100
50
For further details and graphs please
refer to Technical Information.
07.12
89
WIMA Snubber FKP
Continuation
D
General Data
Capac-
itance
0.01
mF
0.015 „
0.022 „
0.033 „
0.047 „
0.068 „
0.1
0.15 „
0.22 „
0.33 „
0.47 „
0.68 „
1.0
1.5
2.2
„
„
W
H
630 VDC/400 VAC*
L
Part number
W
H
1000 VDC/600 VAC*
L
Part number
W
7
H
1600 VDC/650 VAC*
L
Part number
16.5 26.5 SNFPT021005D_ _ _ _ _ _
8.5 18.5 26.5 SNFPT021505F_ _ _ _ _ _
7
7
16.5 26.5 SNFPO122205D_ _ _ _ _ _ 10.5 20.5 26.5 SNFPT022205H_ _ _ _ _ _
21
22
26
29
32
31.5 SNFPT023306B_ _ _ _ _ _
41.5 SNFPT024707B_ _ _ _ _ _
41.5 SNFPT026807D_ _ _ _ _ _
41.5 SNFPT031007E_ _ _ _ _ _
41.5 SNFPT031507F_ _ _ _ _ _
8.5 18.5 26.5 SNFPO123305F_ _ _ _ _ _ 11
16.5 26.5 SNFPJ024705D_ _ _ _ _ _ 10.5 20.5 26.5 SNFPO124705H_ _ _ _ _ _ 11
21
22
26
29
32
34
31.5 SNFPO126806B_ _ _ _ _ _ 15
41.5 SNFPO131007B_ _ _ _ _ _ 17
41.5 SNFPO131507D_ _ _ _ _ _ 19
41.5 SNFPO132207E_ _ _ _ _ _ 20
41.5 SNFPO133307F_ _ _ _ _ _ 24
56
SNFPO136808E_ _ _ _ _ _ 27
SNFPO141008H_ _ _ _ _ _
8.5 18.5 26.5 SNFPJ026805F_ _ _ _ _ _ 11
11
13
15
17
19
24
27
21
24
26
29
32
26.5 SNFPJ031505I_ _ _ _ _ _
15
mF
10.5 20.5 26.5 SNFPJ031005H_ _ _ _ _ _ 11
31.5 SNFPJ032206D_ _ _ _ _ _ 17
31.5 SNFPJ033306F_ _ _ _ _ _ 19
41.5 SNFPJ034707E_ _ _ _ _ _ 20
41.5 SNFPJ036807F_ _ _ _ _ _ 23
39.5 41.5 SNFPT032207G_ _ _ _ _ _
45.5 41.5 SNFPT033307H_ _ _ _ _ _
37.5 56
37.5 56
SNFPT034708H_ _ _ _ _ _
SNFPT036808H_ _ _ _ _ _
39.5 41.5 SNFPO134707G_ _ _ _ _ _ 27
37.5 56
mF
20
39.5 41.5 SNFPJ041007G_ _ _ _ _ _ 27
45.5 41.5 SNFPJ041507H_ _ _ _ _ _
37.5 56
SNFPJ042208H_ _ _ _ _ _
Capac-
itance
0.015 „
0.022 „
0.033 „
0.047 „
0.068 „
0.1
0.15 „
0.22 „
0.33 „
0.47 „
W
11
11
11
13
15
17
20
24
27
27
2000 VDC/700 VAC*
H
L
Part number
21
21
22
24
26
29
29
W
3000 VDC/700 VAC*
H
L
Part number
21
21
24
24
26
29
32
W
4000 VDC/700 VAC*
H
L
Part number
21
22
24
26
29
32
31.5 SNFPX021006B_ _ _ _ _ _
41.5 SNFPX021507B_ _ _ _ _ _
41.5 SNFPX022207C_ _ _ _ _ _
41.5 SNFPX023307D_ _ _ _ _ _
41.5 SNFPX024707E_ _ _ _ _ _
41.5 SNFPX026807F_ _ _ _ _ _
0.01
mF
10.5 20.5 26.5 SNFPU021005H_ _ _ _ _ _ 11
26.5 SNFPW021005I_ _ _ _ _ _ 11
31.5 SNFPW021506B_ _ _ _ _ _ 11
31.5 SNFPW022206D_ _ _ _ _ _ 13
41.5 SNFPW023307C_ _ _ _ _ _ 15
41.5 SNFPW024707D_ _ _ _ _ _ 17
41.5 SNFPW026807E_ _ _ _ _ _ 19
41.5 SNFPW031007F_ _ _ _ _ _ 20
26.5 SNFPU021505I_ _ _ _ _ _ 11
31.5 SNFPU022206B_ _ _ _ _ _ 13
41.5 SNFPU022207B_ _ _ _ _ _
41.5 SNFPU023307C_ _ _ _ _ _ 13
41.5 SNFPU024707D_ _ _ _ _ _ 15
41.5 SNFPU026807E_ _ _ _ _ _ 17
41.5 SNFPU031007E_ _ _ _ _ _ 19
mF
17
39.5 41.5 SNFPX031007G_ _ _ _ _ _
45.5 41.5 SNFPX031507H_ _ _ _ _ _
37.5 56
48
56
SNFPX032208H_ _ _ _ _ _
SNFPX033308J_ _ _ _ _ _
39.5 41.5 SNFPU031507G_ _ _ _ _ _ 20
45.5 41.5 SNFPU032207H_ _ _ _ _ _ 24
37.5 56
37.5 56
SNFPU033308H_ _ _ _ _ _ 27
SNFPU034708H_ _ _ _ _ _ 33
39.5 41.5 SNFPW031507G_ _ _ _ _ _ 24
45.5 41.5 SNFPW032207H_ _ _ _ _ _ 27
37.5 56
48
56
SNFPW033308H_ _ _ _ _ _ 33
SNFPW034708J_ _ _ _ _ _
* AC voltage: f
T
1000 Hz; 1.4 x U
rms
+
UDC
T
U
r
Dims. in mm.
Ionisation inception level in isolated cases may
be lower than admissible rated AC voltage.
Versions and dimensional drawings see page 91.
Part number completion:
Version codes see page 94.
Tolerance: 20 % = M
10 % = K
5%=J
Packing:
bulk = S
Pin length: none = 00
Rights reserved to amend design data without prior notification.
AC voltage graphs see page 88.
07.12
90
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