Type 935C, Polypropylene Capacitors for High Frequency Filtering
High Current Capacitors for Switching Power Supplies
Type 935 metallized polypropylene capacitors are designed for
filtering applications in switching power supplies that operate
in the 20-100 kHz range. Their low ESR, high current and high
capacitance gives them an advantage over general purpose types.
This series is UL recognized for construction only under UL File
Number E128034(N).
Highlights
- Low ESR
- High current
- High capacitance
- Self healing
- UL recognized
- Available with lugs
1.0 to 30.0 µF
±10 % (K) Standard; ±5% (J) Optional
100 to 400 Vdc (70 to 250 Vac, 60 Hz)
–55 ºC to 105 ºC*
*Full rated voltage at 85 ºC - derated linearly to 50% rated at 105 ºC
Check tables for values
200,000 MΩ x µF
200% rated DC voltage for 60 s
3 kVac @ 50/60 Hz for 60 s
1,000 h @ 85 ºC, 150% rated DC voltage
60,000 h @ rated Vdc, 70 ºC
30,000 h @ rated Vac, 70 ºC
RoHS Compliant
Specifications
Capacitance Range
Capacitance Tolerance
Rated Voltage
Operating Temperature Range
Maximum rms Current
Insulation Resistance
Test Voltage between Terminals @ 25 ºC
Test Voltage between Terminals & Case @ 25 ºC
Life Test
Life Expectancy
Dimensions
Construction Diagram
Construction Details
Case Material
Resin Material
d
UL510 Polyester Tape Wrap
UL94V-0 Epoxy Fill
Terminal Material Tin Plated Copper
41 mm
Min
L
1.5 mm
41 mm
Min
D
Max
L1
1.57 mm
3.96
9.144
1.3 mm
0.8
0.05 mm
3.96
1.3 mm
L
1.98 mm
7.93 mm
Min
D
Max
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
1
Type 935C, Metallized Polypropylene Capacitors for High Frequency Filtering
High Current Capacitors for Switching Power Supplies
Part Numbering System
935
C
1
P
22
Capacitance
Termination
Series
935
Code
C = Tinned Copper Wire
H = Copper Lugs
Voltage Code
1 = 100 Vdc
2 = 200 Vdc
4 = 400 Vdc
Capacitance
Decimal Point
W = No decimal
point
Significant
Figures (µF)
Tolerance
Code
K = ±10%
J = ± 5%
K
–F
RoHS
Compliant
Indicator
Ratings
Wire Leads
NOTE:
Other ratings, sizes and performance specifications are available. Contact us.
Max. ESR
Cap.
(µF)
Catalog
Part Number
D
mm
L
mm
d
mm
20-100 kHz
(mΩ)
dV/dt
(V/μs)
25 ºC
Max. Ripple Current Amps RMS 20-100 kHz
Case Temperature
35 ºC 45 ºC
55 ºC 65 ºC 75 ºC 85 ºC
100 Vdc (70 Vac)
1
2
3
5
10
20
30
935C1W1K-F
935C1W2K-F
935C1W3K-F
935C1W5K-F
935C1W10K-F
935C1W20K-F
935C1W30K-F
11.9 ± 1.6
13.6 ± 1.6
15.8 ± 2.4
16.3 ± 2.4
20.4 ± 2.4
22.2 ± 3.2
27.3 ± 3.2
19.0
23.8
23.8
31.7
38.1
57.1
57.1
0.8
0.8
1.0
1.0
1.0
1.0
1.0
15
12
11
10
9
8
6
25
16
16
10
8
5
5
9.2
10.8
12.1
13.8
15.0
15.0
15.0
8.5
10.0
11.2
12.7
15.0
15.0
15.0
7.8
9.1
10.3
11.6
14.2
15.0
15.0
7.0
8.2
9.2
10.4
12.7
15.0
15.0
6.0
7.0
8.0
9.0
11.0
13.6
15.0
4.9
5.8
6.5
7.4
9.0
11.1
12.4
4.5
5.3
5.9
6.7
8.2
10.0
11.4
200 Vdc (140 Vac)
1
2
3
5
10
20
935C2W1K-F
935C2W2K-F
935C2W3K-F
935C2W5K-F
935C2W10K-F
935C2W20K-F
11.4 ± 1.6
15.4 ± 2.4
16.6 ± 2.4
19.5 ± 2.4
23.0 ± 3.2
33.4 ± 3.2
31.7
31.7
38.1
44.4
57.1
57.1
0.8
0.8
1.0
1.0
1.0
1.0
20
15
13
11
9
6
15
15
12
9
7
7
7.3
12.0
15.0
15.0
15.0
15.0
7.3
12.0
13.8
15.0
15.0
15.0
7.3
11.3
12.6
14.7
15.0
15.0
7.3
10.1
11.3
13.1
15.0
15.0
7.2
8.7
9.8
11.4
13.8
15.0
5.9
7.1
8.0
9.3
11.3
14.1
5.4
6.5
7.3
8.5
10.3
12.8
400 Vdc (250 Vac)
1
2
3
5
10
935C4W1K-F
935C4W2K-F
935C4W3K-F
935C4W5K-F
935C4W10K-F
15.7 ± 2.4
20.4 ± 2.4
24.4 ± 3.2
27.1 ± 3.2
39.2 ± 3.2
38.1
44.4
44.4
57.1
57.1
0.8
1.0
1.0
1.0
1.0
19
15
12
10
6
19
16
16
11
11
9.5
15.0
15.0
15.0
15.0
9.5
15.0
15.0
15.0
15.0
9.5
15.0
15.0
15.0
15.0
9.5
13.4
15.0
15.0
15.0
9.5
11.6
13.1
15.0
15.0
7.8
9.5
10.7
12.5
15.0
7.1
8.7
9.8
11.4
14.1
2
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
Type 935C, Metallized Polypropylene Capacitors for High Frequency Filtering
High Current Capacitors for Switching Power Supplies
Lug Leads
NOTE:
Other ratings, sizes and performance specifications are available. Contact us.
Max. ESR
Cap.
(µF)
Catalog
Part Number
D
mm
L
mm
L1
mm
20-100 kHz
(mΩ)
dV/dt
(V/μs)
25 ºC
Max. Ripple Current Amps RMS 20-100 kHz
Case Temperature
35 ºC 45 ºC
55 ºC 65 ºC 75 ºC 85 ºC
100 Vdc (70 Vac)
1
2
3
5
10
20
30
935H1W1K-F
935H1W2K-F
935H1W3K-F
935H1W5K-F
935H1W10K-F
935H1W20K-F
935H1W30K-F
11.9 ± 1.6
13.6 ± 1.6
15.8 ± 2.4
16.3 ± 2.4
20.4 ± 2.4
22.2 ± 3.2
27.3 ± 3.2
19.0
23.8
23.8
31.7
38.1
57.1
57.1
41.6
46.4
46.4
53.3
57.2
77.6
77.6
15
12
11
10
9
8
6
25
16
16
10
8
5
5
10.3
12.0
13.3
14.8
17.8
21.6
24.3
9.5
11.0
12.3
13.7
16.5
20.0
22.5
8.7
10.0
11.2
12.5
15.0
18.3
20.5
7.8
8.9
10.0
11.2
13.5
16.4
18.4
6.7
7.8
8.7
9.7
11.7
14.2
15.9
5.5
6.3
7.1
7.9
9.5
11.6
13.0
5.0
5.8
6.5
7.2
8.7
10.6
11.9
200 Vdc (140 Vac)
1
2
3
5
10
20
935H2W1K-F
935H2W2K-F
935H2W3K-F
935H2W5K-F
935H2W10K-F
935H2W20K-F
11.4 ± 1.6
15.4 ± 2.4
16.6 ± 2.4
19.5 ± 2.4
23.0 ± 3.2
33.4 ± 3.2
31.7
31.7
38.1
44.4
57.1
57.1
53.3
53.3
57.2
65.3
77.6
77.6
20
15
13
11
9
6
15
15
12
9
7
7
7.3
14.3
15.9
18.3
22.4
27.4
7.3
13.3
14.7
17.0
20.7
25.4
7.3
12.1
13.5
15.5
18.9
23.2
7.3
10.8
12.0
13.9
16.9
20.7
7.3
9.4
10.4
12.0
14.6
17.9
6.4
7.7
8.5
9.8
12.0
14.7
5.8
7.0
7.8
8.9
10.9
13.4
400 Vdc (250 Vac)
1
2
3
5
10
935H4W1K-F
935H4W2K-F
935H4W3K-F
935H4W5K-F
935H4W10K-F
15.7 ± 2.4
20.4 ± 2.4
24.4 ± 3.2
27.1 ± 3.2
39.2 ± 3.2
38.1
44.4
44.4
57.1
57.1
57.2
65.3
65.3
77.6
77.6
19
15
12
10
6
19
16
16
11
11
9.5
15.0
21.1
24.4
30.0
9.5
15.0
19.5
22.6
27.8
9.5
15.0
17.8
20.6
25.4
9.5
14.2
15.9
18.5
22.7
9.5
12.3
13.8
16.0
19.7
8.3
10.0
11.3
13.1
16.1
7.5
9.1
10.3
11.9
14.7
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
3
Type 935C, Metallized Polypropylene Capacitors for High Frequency Filtering
High Current Capacitors for Switching Power Supplies
RMS Voltage vs Frequency @ 25 ºC
Wire Leads
Lug Leads
80
70
60
50
935C - 100 Vdc
80
70
60
50
935H - 100 Vdc
Vrms
Vrms
40
30
20
10
0
10
100
1 µF
5 µF
30 µF
40
30
20
10
0
1 µF
5 µF
30 µF
1000
Frequency (Hz)
10000
100000
10
100
1000
Frequency (Hz)
10000
100000
200
935C - 200Vdc
150
125
100
935H - 200 Vdc
Vrms
100
Vrms
1 µF
5 µF
20 µF
75
50
25
1 µF
5 µF
20 µF
0
10
100
1000
Frequency (Hz)
10000
100000
0
10
100
1000
Frequency (Hz)
10000
100000
300
935C - 400Vdc
300
935H - 400 Vdc
250
250
200
Vrms
200
Vrms
150
150
100
1 µF
3 µF
10 µF
100
1 µF
3 µF
10 µF
50
50
0
10
100
1000
Frequency (Hz)
10000
100000
0
10
100
1000
Frequency (Hz)
10000
100000
4
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
Notice and Disclaimer:
All product drawings, descriptions, specifications, statements, information and
data (collectively, the “Information”) in this datasheet or other publication are subject to change. The
customer is responsible for checking, confirming and verifying the extent to which the Information con-
tained in this datasheet or other publication is applicable to an order at the time the order is placed. All
Information given herein is believed to be accurate and reliable, but it is presented without any guaran-
tee, warranty, representation or responsibility of any kind, expressed or implied. Statements of suitability
for certain applications are based on the knowledge that the Cornell Dubilier company providing such
statements (“Cornell Dubilier”) has of operating conditions that such Cornell Dubilier company regards
as typical for such applications, but are not intended to constitute any guarantee, warranty or representa-
tion regarding any such matter – and Cornell Dubilier specifically and expressly disclaims any guarantee,
warranty or representation concerning the suitability for a specific customer application, use, storage,
transportation, or operating environment. The Information is intended for use only by customers who
have the requisite experience and capability to determine the correct products for their application. Any
technical advice inferred from this Information or otherwise provided by Cornell Dubilier with reference
to the use of any Cornell Dubilier products is given gratis (unless otherwise specified by Cornell Dubilier),
and Cornell Dubilier assumes no obligation or liability for the advice given or results obtained. Although
Cornell Dubilier strives to apply the most stringent quality and safety standards regarding the design
and manufacturing of its products, in light of the current state of the art, isolated component failures may
still occur. Accordingly, customer applications which require a high degree of reliability or safety should
employ suitable designs or other safeguards (such as installation of protective circuitry or redundancies
or other appropriate protective measures) in order to ensure that the failure of an electrical component
does not result in a risk of personal injury or property damage. Although all product-related warnings,
cautions and notes must be observed, the customer should not assume that all safety measures are indi-
cated in such warnings, cautions and notes, or that other safety measures may not be required.
5
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