.hide-partial { max-height: none; } .show-more { display: none; }

SF Series Motor Start Capacitors & Motor Run Capacitors

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 114

Applied Filters:

Series = SF

Capacitance

Voltage Rating AC

Length / Height

Width

Depth / Thickness

Lead Spacing

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Motor Start Capacitors & Motor Run Capacitors 5uF 660V

SFA66T5K388B-F
Knowles / Illinois Capacitor
1: $40.30
12In Stock

Mfr. Part No.
SFA66T5K388B-F

Mouser Part No
598-SFA66T5K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 5uF 660V

Datasheet

12In Stock

$40.30

$32.75

$29.73

$28.79

$28.76

Min.: 1
Mult.: 1

Motor Run Capacitors

5 uF

660 VAC

Quick Connect

60000 Hour

98.55 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 6uF 660V

SFA66T6K388B-F
Knowles / Illinois Capacitor
1: $39.96
48In Stock

Mfr. Part No.
SFA66T6K388B-F

Mouser Part No
598-SFA66T6K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 6uF 660V

Datasheet

48In Stock

$39.96

$35.74

$32.68

$30.22

View

Min.: 1
Mult.: 1

Motor Run Capacitors

6 uF

660 VAC

Quick Connect

60000 Hour

98.55 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 8uF 660V

SFA66T8K475B-F
Knowles / Illinois Capacitor
1: $59.56
1In Stock
20Expected 18/5/2026

Mfr. Part No.
SFA66T8K475B-F

Mouser Part No
598-SFA66T8K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 8uF 660V

Datasheet

1In Stock

20Expected 18/5/2026

$59.56

$49.16

$45.43

$39.55

Quote

Min.: 1
Mult.: 1

Motor Run Capacitors

8 uF

660 VAC

Quick Connect

60000 Hour

120.65 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 20uF 370V

SFC37T20K291B-F
Knowles / Illinois Capacitor
1: $54.43
1In Stock

Mfr. Part No.
SFC37T20K291B-F

Mouser Part No
598-SFC37T20K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 370V

Datasheet

1In Stock

$54.43

$44.99

$41.21

$40.05

Min.: 1
Mult.: 1

Motor Run Capacitors

20 uF

370 VAC

Quick Connect

60000 Hour

73.91 mm

48.51 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 25uF 370V

SFC37T25K291B-F
Knowles / Illinois Capacitor
1: $37.91
56In Stock

Mfr. Part No.
SFC37T25K291B-F

Mouser Part No
598-SFC37T25K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 25uF 370V

Datasheet

56In Stock

$37.91

$33.11

$31.12

$26.45

View

Min.: 1
Mult.: 1

Motor Run Capacitors

25 uF

370 VAC

Quick Connect

60000 Hour

73.91 mm

48.51 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

SFC37T30K291B-F
Knowles / Illinois Capacitor
1: $45.54
16In Stock

Mfr. Part No.
SFC37T30K291B-F

Mouser Part No
598-SFC37T30K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

Datasheet

16In Stock

$45.54

$38.98

Min.: 1
Mult.: 1

Motor Run Capacitors

30 uF

370 VAC

Quick Connect

60000 Hour

73.91 mm

48.51 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 40uF 370V

SFC37T40K391B-F
Knowles / Illinois Capacitor
1: $62.20
7In Stock

Mfr. Part No.
SFC37T40K391B-F

Mouser Part No
598-SFC37T40K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 40uF 370V

Datasheet

7In Stock

$62.20

$48.59

$47.12

$45.91

Min.: 1
Mult.: 1

Motor Run Capacitors

40 uF

370 VAC

Quick Connect

60000 Hour

99.31 mm

73.91 mm

48.51 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

SFC66T10K291B-F
Knowles / Illinois Capacitor
1: $46.04
1In Stock
64Expected 11/5/2026

Mfr. Part No.
SFC66T10K291B-F

Mouser Part No
598-SFC66T10K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

Datasheet

1In Stock

64Expected 11/5/2026

$46.04

$37.71

$33.99

$33.00

Min.: 1
Mult.: 1

Motor Run Capacitors

10 uF

660 VAC

Quick Connect

60000 Hour

73.91 mm

48.51 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 12uF 660V

SFC66T12K391B-F
Knowles / Illinois Capacitor
1: $65.25
16In Stock

Mfr. Part No.
SFC66T12K391B-F

Mouser Part No
598-SFC66T12K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12uF 660V

Datasheet

16In Stock

$65.25

$48.98

$48.33

Quote

Min.: 1
Mult.: 1

Motor Run Capacitors

12 uF

660 VAC

Quick Connect

60000 Hour

99.31 mm

73.91 mm

48.51 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 15uF 660V

SFC66T15K391B-F
Knowles / Illinois Capacitor
1: $74.39
22In Stock

Mfr. Part No.
SFC66T15K391B-F

Mouser Part No
598-SFC66T15K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 660V

Datasheet

22In Stock

$74.39

$62.19

$55.84

$50.62

Min.: 1
Mult.: 1

Motor Run Capacitors

15 uF

660 VAC

Quick Connect

60000 Hour

99.31 mm

73.91 mm

48.51 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 20uF 660V

SFD66T20K391B-F
Knowles / Illinois Capacitor
1: $103.71
2In Stock

Mfr. Part No.
SFD66T20K391B-F

Mouser Part No
598-SFD66T20K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 660V

Datasheet

2In Stock

$103.71

$88.57

$81.34

$74.06

Min.: 1
Mult.: 1

Motor Run Capacitors

20 uF

660 VAC

Quick Connect

60000 Hour

99.31 mm

92.96 mm

50.04 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 40uF 660V

SFD66T40K475B-F
Knowles / Illinois Capacitor
1: $107.45
21In Stock

Mfr. Part No.
SFD66T40K475B-F

Mouser Part No
598-SFD66T40K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 40uF 660V

Datasheet

21In Stock

$107.45

$104.06

$91.20

$88.82

Min.: 1
Mult.: 1

Motor Run Capacitors

40 uF

660 VAC

Quick Connect

60000 Hour

120.65 mm

92.96 mm

50.04 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 12.5uF 370V

SFP37T12.5K238B-F
Knowles / Illinois Capacitor
1: $34.40
28In Stock

Mfr. Part No.
SFP37T12.5K238B-F

Mouser Part No
598-SFP37T12.5K238BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12.5uF 370V

Datasheet

28In Stock

$34.40

$26.20

$22.77

$21.60

$20.09

Min.: 1
Mult.: 1

Motor Run Capacitors

12.5 uF

370 VAC

Quick Connect

60000 Hour

60.45 mm

47.5 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

SFP37T30K284B-F
Knowles / Illinois Capacitor
1: $60.16
6In Stock

Mfr. Part No.
SFP37T30K284B-F

Mouser Part No
598-SFP37T30K284B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

Datasheet

6In Stock

$60.16

$49.75

$44.66

$39.74

Min.: 1
Mult.: 1

Motor Run Capacitors

30 uF

370 VAC

Quick Connect

60000 Hour

72.14 mm

47.5 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 35uF 440V

SFT44T35K291B-F
Knowles / Illinois Capacitor
1: $52.42
16In Stock

Mfr. Part No.
SFT44T35K291B-F

Mouser Part No
598-SFT44T35K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 440V

Datasheet

16In Stock

$52.42

$49.62

$45.12

$43.06

Quote

Min.: 1
Mult.: 1

Motor Run Capacitors

35 uF

440 VAC

Quick Connect

60000 Hour

73.91 mm

66.55 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors

SFD66T50K475B-F
Knowles / Illinois Capacitor
1: $64.12
45In Stock
Factory Special Order

Mfr. Part No.
SFD66T50K475B-F

Mouser Part No
598-SFD66T50K475B-F

Factory Special Order

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors

Datasheet

45In Stock

$64.12

$50.15

View

Min.: 1
Mult.: 1

Motor Run Capacitors

50 uF

660 VAC

Quick Connect

60000 Hour

120.65 mm

92.96 mm

50.04 mm

20.57 mm

- 40 C

+ 70 C

Motor Start Capacitors & Motor Run Capacitors 35uF 240 V 6% tol

SFP24T35H384B-F
Knowles / Illinois Capacitor
1: $28.12
21In Stock
Factory Special Order

Mfr. Part No.
SFP24T35H384B-F

Mouser Part No
598-SFP24T35H384B-F

Factory Special Order

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 240 V 6% tol

Datasheet

21In Stock

$28.12

$21.53

View

Min.: 1
Mult.: 1

Motor Run Capacitors

35 uF

240 VAC

Quick Connect

60000 Hour

97.54 mm

47.5 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

SFA66T10K475B-F
Knowles / Illinois Capacitor
1: $50.87
63Expected 16/3/2026

Mfr. Part No.
SFA66T10K475B-F

Mouser Part No
598-SFA66T10K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

Datasheet

63Expected 16/3/2026

$50.87

$38.49

$34.22

$32.54

Min.: 1
Mult.: 1

Motor Run Capacitors

10 uF

660 VAC

Quick Connect

60000 Hour

120.65 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 25uF 660V

SFD66T25K391B-F
Knowles / Illinois Capacitor
1: $99.77
73On Order

Mfr. Part No.
SFD66T25K391B-F

Mouser Part No
598-SFD66T25K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 25uF 660V

Datasheet

73On Order

$99.77

$90.36

$73.31

$66.85

Min.: 1
Mult.: 1

Motor Run Capacitors

25 uF

660 VAC

Quick Connect

60000 Hour

99.31 mm

92.96 mm

50.04 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 30uF 660V

SFD66T30K391B-F
Knowles / Illinois Capacitor
1: $54.36
306On Order

Mfr. Part No.
SFD66T30K391B-F

Mouser Part No
598-SFD66T30K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 660V

Datasheet

306On Order

$54.36

$45.47

$43.06

$41.87

View

Min.: 1
Mult.: 1

Motor Run Capacitors

30 uF

660 VAC

Quick Connect

60000 Hour

99.31 mm

92.96 mm

50.04 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 35uF 660V

SFD66T35K475B-F
Knowles / Illinois Capacitor
1: $116.43
24Expected 16/6/2026

Mfr. Part No.
SFD66T35K475B-F

Mouser Part No
598-SFD66T35K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 660V

Datasheet

24Expected 16/6/2026

$116.43

$82.66

$82.44

$82.43

Min.: 1
Mult.: 1

Motor Run Capacitors

35 uF

660 VAC

Quick Connect

60000 Hour

120.65 mm

92.96 mm

50.04 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

SFS37T50K384B-F
Knowles / Illinois Capacitor
1: $64.72
42Expected 11/5/2026

Mfr. Part No.
SFS37T50K384B-F

Mouser Part No
598-SFS37T50K384B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

Datasheet

42Expected 11/5/2026

$64.72

$53.75

$48.90

$47.54

Quote

Min.: 1
Mult.: 1

Motor Run Capacitors

50 uF

370 VAC

Quick Connect

60000 Hour

97.54 mm

53.85 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 15uF 370V

SFA37T15K288B-F
Knowles / Illinois Capacitor
1: $46.54
19Expected 15/6/2026

Mfr. Part No.
SFA37T15K288B-F

Mouser Part No
598-SFA37T15K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 370V

Datasheet

19Expected 15/6/2026

$46.54

$38.14

$34.78

$33.74

Min.: 1
Mult.: 1

Motor Run Capacitors

15 uF

370 VAC

Quick Connect

60000 Hour

73.15 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 10uF 440V

SFA44T10K388B-F
Knowles / Illinois Capacitor
1: $37.99
60Expected 9/3/2026

Mfr. Part No.
SFA44T10K388B-F

Mouser Part No
598-SFA44T10K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 440V

Datasheet

60Expected 9/3/2026

$37.99

$29.54

$25.12

$23.81

$21.70

Min.: 1
Mult.: 1

Motor Run Capacitors

10 uF

440 VAC

Quick Connect

60000 Hour

98.55 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

SFA66T2K156B-F
Knowles / Illinois Capacitor
1: $14.58
125Expected 16/3/2026

Mfr. Part No.
SFA66T2K156B-F

Mouser Part No
598-SFA66T2K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

Datasheet

125Expected 16/3/2026

$14.58

$11.12

$9.73

$9.17

View

Min.: 1
Mult.: 1

Motor Run Capacitors

2 uF

660 VAC

Quick Connect

60000 Hour

39.62 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

SF Series Motor Start Capacitors & Motor Run Capacitors

Customer Service Office

Company

Resources

Support

1 uF
2 uF
3 uF
4 uF
5 uF
6 uF
7.5 uF
8 uF
10 uF
12 uF
12.5 uF
15 uF
17.5 uF
18 uF
20 uF
25 uF
30 uF
35 uF
40 uF
45 uF