.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: 115

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 12uF 660V

SFC66T12K391B-F
Knowles / Illinois Capacitor
1: £37.60
6In Stock
30Expected 26/08/2026

Mfr. Part No.
SFC66T12K391B-F

Mouser Part No
598-SFC66T12K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12uF 660V

Datasheet

6In Stock

30Expected 26/08/2026

£37.60

£30.63

£25.29

£24.43

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: £35.81
12In Stock

Mfr. Part No.
SFC66T15K391B-F

Mouser Part No
598-SFC66T15K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 660V

Datasheet

12In Stock

£35.81

£29.52

£28.01

£25.94

View

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 18uF 660V

SFC66T18K391B-F
Knowles / Illinois Capacitor
1: £42.02
27In Stock

Mfr. Part No.
SFC66T18K391B-F

Mouser Part No
598-SFC66T18K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 18uF 660V

Datasheet

27In Stock

£42.02

£33.28

£32.34

£31.56

Min.: 1
Mult.: 1

Motor Run Capacitors

18 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 25uF 660V

SFD66T25K391B-F
Knowles / Illinois Capacitor
1: £52.48
5In Stock
200On Order

Mfr. Part No.
SFD66T25K391B-F

Mouser Part No
598-SFD66T25K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 25uF 660V

Datasheet

5In Stock

200On Order

£52.48

£46.34

£44.03

£37.70

View

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 12.5uF 370V

SFP37T12.5K238B-F
Knowles / Illinois Capacitor
1: £18.19
13In 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

13In Stock

£18.19

£14.56

£12.70

£12.14

£11.45

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 20uF 370V

SFP37T20K238B-F
Knowles / Illinois Capacitor
1: £15.71
60In Stock

Mfr. Part No.
SFP37T20K238B-F

Mouser Part No
598-SFP37T20K238B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 370V

Datasheet

60In Stock

£15.71

£12.02

£10.76

£9.72

View

Min.: 1
Mult.: 1

Motor Run Capacitors

20 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: £34.35
5In Stock

Mfr. Part No.
SFP37T30K284B-F

Mouser Part No
598-SFP37T30K284B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

Datasheet

5In Stock

£34.35

£27.58

£22.53

£22.12

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 20uF 440V

SFP44T20K284B-F
Knowles / Illinois Capacitor
1: £25.47
49In Stock

Mfr. Part No.
SFP44T20K284B-F

Mouser Part No
598-SFP44T20K284B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 440V

Datasheet

49In Stock

£25.47

£19.73

£18.03

£16.60

£15.50

Min.: 1
Mult.: 1

Motor Run Capacitors

20 uF

440 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 50uF 370V

SFS37T50K384B-F
Knowles / Illinois Capacitor
1: £35.88
15In Stock

Mfr. Part No.
SFS37T50K384B-F

Mouser Part No
598-SFS37T50K384B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

Datasheet

15In Stock

£35.88

£28.58

£28.57

£26.26

View

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 35uF 440V

SFT44T35K291B-F
Knowles / Illinois Capacitor
1: £41.39
15In Stock

Mfr. Part No.
SFT44T35K291B-F

Mouser Part No
598-SFT44T35K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 440V

Datasheet

15In Stock

£41.39

£32.37

£32.36

£30.43

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 40uF 10% 660V 4.75 2 1/2 Round

SFT66T40K475B-F
Knowles / Illinois Capacitor
1: £25.26
21In Stock

Mfr. Part No.
SFT66T40K475B-F

Mouser Part No
598-SFT66T40K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 40uF 10% 660V 4.75 2 1/2 Round

Datasheet

21In Stock

£25.26

£23.29

View

Min.: 1
Mult.: 1

Motor Run Capacitors

40 uF

660 VAC

Quick Connect

60000 Hour

120.65 mm

66.55 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 25uF 370V

SFC37T25K291B-F
Knowles / Illinois Capacitor
1: £25.28
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

£25.28

£20.14

£18.69

£17.43

£16.27

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 5uF 370V

SFP37T5K238B-F
Knowles / Illinois Capacitor
1: £16.29
46In Stock

Mfr. Part No.
SFP37T5K238B-F

Mouser Part No
598-SFP37T5K238B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 5uF 370V

Datasheet

46In Stock

£16.29

£12.47

£11.14

£10.08

View

Min.: 1
Mult.: 1

Motor Run Capacitors

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 10uF 370V

SFA37T10K288B-F
Knowles / Illinois Capacitor
1: £18.61
150On Order

Mfr. Part No.
SFA37T10K288B-F

Mouser Part No
598-SFA37T10K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 370V

Datasheet

150On Order

£18.61

£14.13

£12.56

£11.93

£10.86

Min.: 1
Mult.: 1

Motor Run Capacitors

10 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 660V

SFA66T10K475B-F
Knowles / Illinois Capacitor
1: £25.78
62Expected 16/11/2026

Mfr. Part No.
SFA66T10K475B-F

Mouser Part No
598-SFA66T10K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

Datasheet

62Expected 16/11/2026

£25.78

£21.12

£19.06

£18.51

View

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 40uF 660V

SFD66T40K475B-F
Knowles / Illinois Capacitor
1: £58.04
23Expected 19/10/2026

Mfr. Part No.
SFD66T40K475B-F

Mouser Part No
598-SFD66T40K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 40uF 660V

Datasheet

23Expected 19/10/2026

£58.04

£56.55

£51.00

£50.98

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 55uF 5% 660V

SFT66C55J572J-F
Knowles / Illinois Capacitor
1: £37.27
45Expected 16/11/2026

Mfr. Part No.
SFT66C55J572J-F

Mouser Part No
598-SFT66C55J572J-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 55uF 5% 660V

Datasheet

45Expected 16/11/2026

£37.27

£27.22

View

Min.: 1
Mult.: 1

Motor Run Capacitors

55 uF

660 VAC

Quick Connect

60000 Hour

145.288 mm

66.55 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 20uF 660V 10%

SFT66T20K391B-F
Knowles / Illinois Capacitor
1: £19.60
196Expected 17/08/2026

Mfr. Part No.
SFT66T20K391B-F

Mouser Part No
598-SFT66T20K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 660V 10%

Datasheet

196Expected 17/08/2026

£19.60

£17.23

£16.39

£16.24

View

Min.: 1
Mult.: 1

Motor Run Capacitors

20 uF

660 VAC

Quick Connect

60000 Hour

99.31 mm

66.55 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 4uF 370V

SFA37T4K219B-F
Knowles / Illinois Capacitor
1: £15.02
15Expected 16/09/2026

Mfr. Part No.
SFA37T4K219B-F

Mouser Part No
598-SFA37T4K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 4uF 370V

Datasheet

15Expected 16/09/2026

£15.02

£10.39

£9.47

£8.99

£8.28

Min.: 1
Mult.: 1

Motor Run Capacitors

4 uF

370 VAC

Quick Connect

60000 Hour

55.63 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 370V 5uF

SFA37T5K219B-F
Knowles / Illinois Capacitor
1: £15.42
58Expected 07/12/2026

Mfr. Part No.
SFA37T5K219B-F

Mouser Part No
598-SFA37T5K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 370V 5uF

Datasheet

58Expected 07/12/2026

£15.42

£11.65

£9.96

£9.53

View

Min.: 1
Mult.: 1

Motor Run Capacitors

5 uF

370 VAC

Quick Connect

60000 Hour

55.63 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 660V 1uF

SFA66T1K156B-F
Knowles / Illinois Capacitor
1: £14.29
44On Order

Mfr. Part No.
SFA66T1K156B-F

Mouser Part No
598-SFA66T1K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 660V 1uF

Datasheet

44On Order

£14.29

£10.70

£9.25

£8.76

View

Min.: 1
Mult.: 1

Motor Run Capacitors

1 uF

660 VAC

Quick Connect

60000 Hour

39.62 mm

54.86 mm

33.27 mm

20.57 mm

- 40 C

+ 70 C

Bulk

Motor Start Capacitors & Motor Run Capacitors 5uF 660V

SFA66T5K388B-F
Knowles / Illinois Capacitor
1: £25.81
20Expected 24/08/2026

Mfr. Part No.
SFA66T5K388B-F

Mouser Part No
598-SFA66T5K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 5uF 660V

Datasheet

20Expected 24/08/2026

£25.81

£19.55

£18.03

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 8uF 660V

SFA66T8K475B-F
Knowles / Illinois Capacitor
1: £36.35
33On Order

Mfr. Part No.
SFA66T8K475B-F

Mouser Part No
598-SFA66T8K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 8uF 660V

Datasheet

33On Order

£36.35

£30.19

£24.96

£22.07

View

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 30uF 370V

SFC37T30K291B-F
Knowles / Illinois Capacitor
1: £27.80
40Expected 07/12/2026

Mfr. Part No.
SFC37T30K291B-F

Mouser Part No
598-SFC37T30K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

Datasheet

40Expected 07/12/2026

£27.80

£21.89

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 30uF 440V

SFS44T30K291B-F
Knowles / Illinois Capacitor
1: £38.33
35Expected 24/08/2026

Mfr. Part No.
SFS44T30K291B-F

Mouser Part No
598-SFS44T30K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 440V

Datasheet

35Expected 24/08/2026

£38.33

£27.54

£27.05

£25.88

View

Min.: 1
Mult.: 1

Motor Run Capacitors

30 uF

440 VAC

Quick Connect

60000 Hour

73.91 mm

53.85 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