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SF Series Motor Start Capacitors & Motor Run Capacitors

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Part #

Motor Start Capacitors & Motor Run Capacitors 5uF 660V

SFA66T5K388B-F
Knowles / Illinois Capacitor
1: $28.99
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

$28.99

$23.56

$21.72

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: $28.76
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

$28.76

$25.71

$23.52

$22.33

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: $42.86
1In Stock
20Expected 2026/05/18

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 2026/05/18

$42.86

$35.38

$32.68

$30.13

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: $39.17
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

$39.17

$32.38

$29.66

$28.82

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: $27.27
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

$27.27

$23.83

$22.40

$19.04

$18.99

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: $32.76
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

$32.76

$29.89

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 40uF 370V

SFC37T40K391B-F
Knowles / Illinois Capacitor
1: $44.76
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

$44.76

$34.97

$33.90

$33.04

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: $33.12
1In Stock
64Expected 2026/05/11

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 2026/05/11

$33.12

$27.13

$24.46

$23.75

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: $46.95
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

$46.95

$36.62

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: $53.53
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

$53.53

$44.75

$40.18

$38.82

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: $74.62
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

$74.62

$63.73

$58.53

$56.49

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: $77.32
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

$77.32

$74.87

$65.62

$63.91

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: $24.76
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

$24.76

$18.85

$16.39

$15.54

$14.46

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: $43.29
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

$43.29

$35.80

$32.13

$30.48

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: $37.72
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

$37.72

$35.70

$32.66

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: $46.14
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

$46.14

$36.09

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: $20.24
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

$20.24

$15.49

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: $36.61
63Expected 2026/03/16

Mfr. Part No.
SFA66T10K475B-F

Mouser Part No
598-SFA66T10K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

Datasheet

63Expected 2026/03/16

$36.61

$27.69

$24.62

$23.41

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: $71.79
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

$71.79

$65.02

$52.75

$48.10

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: $39.11
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

$39.11

$32.72

$30.98

$30.12

Quote

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: $83.77
24Expected 2026/06/16

Mfr. Part No.
SFD66T35K475B-F

Mouser Part No
598-SFD66T35K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 660V

Datasheet

24Expected 2026/06/16

$83.77

$59.48

$59.32

$59.31

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: $46.57
42Expected 2026/05/11

Mfr. Part No.
SFS37T50K384B-F

Mouser Part No
598-SFS37T50K384B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

Datasheet

42Expected 2026/05/11

$46.57

$38.68

$35.18

$34.20

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: $33.48
19Expected 2026/06/15

Mfr. Part No.
SFA37T15K288B-F

Mouser Part No
598-SFA37T15K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 370V

Datasheet

19Expected 2026/06/15

$33.48

$27.45

$25.03

$24.27

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: $27.33
60Expected 2026/03/09

Mfr. Part No.
SFA44T10K388B-F

Mouser Part No
598-SFA44T10K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 440V

Datasheet

60Expected 2026/03/09

$27.33

$21.26

$18.07

$17.13

$15.61

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: $10.49
125Expected 2026/03/16

Mfr. Part No.
SFA66T2K156B-F

Mouser Part No
598-SFA66T2K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

Datasheet

125Expected 2026/03/16

$10.49

$8.00

$7.00

$6.61

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