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SF Series Motor Start Capacitors & Motor Run Capacitors

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Part #

Motor Start Capacitors & Motor Run Capacitors 35uF 660V

SFD66T35K475B-F
Knowles / Illinois Capacitor
1: CHF 79.35
24In Stock

Mfr. Part No.
SFD66T35K475B-F

Mouser Part No
598-SFD66T35K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 660V

Datasheet

24In Stock

CHF 79.35

CHF 52.50

CHF 50.59

CHF 49.82

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 4uF 660V

SFA66T4K288B-F
Knowles / Illinois Capacitor
1: CHF 27.60
21In Stock
20Expected 12/15/2026

Mfr. Part No.
SFA66T4K288B-F

Mouser Part No
598-SFA66T4K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 4uF 660V

Datasheet

21In Stock

20Expected 12/15/2026

CHF 27.60

CHF 21.37

CHF 17.53

CHF 15.49

View

Min.: 1
Mult.: 1

Motor Run Capacitors

4 uF

660 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 5uF 440V

SFA44T5K219B-F
Knowles / Illinois Capacitor
1: CHF 17.87
28In Stock

Mfr. Part No.
SFA44T5K219B-F

Mouser Part No
598-SFA44T5K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 5uF 440V

Datasheet

28In Stock

CHF 17.87

CHF 13.67

CHF 11.03

CHF 11.02

View

Min.: 1
Mult.: 1

Motor Run Capacitors

5 uF

440 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 2uF 370V

SFA37T2K219B-F
Knowles / Illinois Capacitor
1: CHF 15.27
11In Stock

Mfr. Part No.
SFA37T2K219B-F

Mouser Part No
598-SFA37T2K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 370V

Datasheet

11In Stock

CHF 15.27

CHF 11.69

CHF 9.43

CHF 8.80

CHF 7.96

Min.: 1
Mult.: 1

Motor Run Capacitors

2 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 4uF 440V

SFA44T4K219B-F
Knowles / Illinois Capacitor
1: CHF 15.46
89In Stock

Mfr. Part No.
SFA44T4K219B-F

Mouser Part No
598-SFA44T4K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 4uF 440V

Datasheet

89In Stock

CHF 15.46

CHF 11.83

CHF 10.58

CHF 9.57

View

Min.: 1
Mult.: 1

Motor Run Capacitors

4 uF

440 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 2uF 660V

SFA66T2K156B-F
Knowles / Illinois Capacitor
1: CHF 8.58
122In Stock

Mfr. Part No.
SFA66T2K156B-F

Mouser Part No
598-SFA66T2K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

Datasheet

122In Stock

CHF 8.58

CHF 6.77

CHF 5.93

CHF 5.23

CHF 5.09

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

Motor Start Capacitors & Motor Run Capacitors 3uF 660V

SFA66T3K288B-F
Knowles / Illinois Capacitor
1: CHF 16.02
56In Stock

Mfr. Part No.
SFA66T3K288B-F

Mouser Part No
598-SFA66T3K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 3uF 660V

Datasheet

56In Stock

CHF 16.02

CHF 12.94

CHF 12.26

CHF 10.49

CHF 9.82

Min.: 1
Mult.: 1

Motor Run Capacitors

3 uF

660 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 25uF 370V

SFP37T25K284B-F
Knowles / Illinois Capacitor
1: CHF 25.00
54In Stock

Mfr. Part No.
SFP37T25K284B-F

Mouser Part No
598-SFP37T25K284B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 25uF 370V

Datasheet

54In Stock

CHF 25.00

CHF 20.15

CHF 16.49

Min.: 1
Mult.: 1

Motor Run Capacitors

25 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 50uF 440V

SFD44T50K391B-F
Knowles / Illinois Capacitor
1: CHF 63.61
20In Stock

Mfr. Part No.
SFD44T50K391B-F

Mouser Part No
598-SFD44T50K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 440V

Datasheet

20In Stock

CHF 63.61

CHF 51.23

CHF 46.65

Min.: 1
Mult.: 1

Motor Run Capacitors

50 uF

440 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 20uF 370V

SFP37T20K238B-F
Knowles / Illinois Capacitor
1: CHF 16.59
62In Stock

Mfr. Part No.
SFP37T20K238B-F

Mouser Part No
598-SFP37T20K238B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 370V

Datasheet

62In Stock

CHF 16.59

CHF 12.70

CHF 11.35

CHF 10.27

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 35uF 240 V 6% tol

SFP24T35H384B-F
Knowles / Illinois Capacitor
1: CHF 16.04
21In Stock

Mfr. Part No.
SFP24T35H384B-F

Mouser Part No
598-SFP24T35H384B-F

Knowles / Illinois Capacitor

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

Datasheet

21In Stock

CHF 16.04

CHF 12.28

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 35uF 370V

SFC37T35K291B-F
Knowles / Illinois Capacitor
1: CHF 28.19
133In Stock

Mfr. Part No.
SFC37T35K291B-F

Mouser Part No
598-SFC37T35K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 370V

Datasheet

133In Stock

CHF 28.19

CHF 23.15

CHF 23.14

CHF 19.60

Quote

Min.: 1
Mult.: 1

Motor Run Capacitors

35 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 660V

SFD66T30K391B-F
Knowles / Illinois Capacitor
1: CHF 81.54
95In Stock
160Expected 10/12/2026

Mfr. Part No.
SFD66T30K391B-F

Mouser Part No
598-SFD66T30K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 660V

Datasheet

95In Stock

160Expected 10/12/2026

CHF 81.54

CHF 66.26

CHF 62.34

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 15uF 370V

SFA37T15K288B-F
Knowles / Illinois Capacitor
1: CHF 27.86
5In Stock

Mfr. Part No.
SFA37T15K288B-F

Mouser Part No
598-SFA37T15K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 370V

Datasheet

5In Stock

CHF 27.86

CHF 23.23

CHF 21.21

CHF 20.23

View

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 3uF 370V

SFA37T3K219B-F
Knowles / Illinois Capacitor
1: CHF 14.00
41In Stock

Mfr. Part No.
SFA37T3K219B-F

Mouser Part No
598-SFA37T3K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 3uF 370V

Datasheet

41In Stock

CHF 14.00

CHF 10.76

CHF 9.71

CHF 9.35

CHF 8.83

Min.: 1
Mult.: 1

Motor Run Capacitors

3 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 4uF 370V

SFA37T4K156B-F
Knowles / Illinois Capacitor
1: CHF 9.04
118In Stock

Mfr. Part No.
SFA37T4K156B-F

Mouser Part No
598-SFA37T4K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 4uF 370V

Datasheet

118In Stock

CHF 9.04

CHF 6.92

CHF 6.08

CHF 5.73

View

Min.: 1
Mult.: 1

Motor Run Capacitors

4 uF

370 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 370V

SFA37T5K156B-F
Knowles / Illinois Capacitor
1: CHF 7.86
101In Stock

Mfr. Part No.
SFA37T5K156B-F

Mouser Part No
598-SFA37T5K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 5uF 370V

Datasheet

101In Stock

CHF 7.86

CHF 6.26

CHF 5.90

CHF 5.19

View

Min.: 1
Mult.: 1

Motor Run Capacitors

5 uF

370 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 6uF 370V

SFA37T6K219B-F
Knowles / Illinois Capacitor
1: CHF 15.46
40In Stock

Mfr. Part No.
SFA37T6K219B-F

Mouser Part No
598-SFA37T6K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 6uF 370V

Datasheet

40In Stock

CHF 15.46

CHF 11.83

CHF 10.58

CHF 9.57

View

Min.: 1
Mult.: 1

Motor Run Capacitors

6 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 7.5uF 370V

SFA37T7.5K219B-F
Knowles / Illinois Capacitor
1: CHF 12.27
55In Stock

Mfr. Part No.
SFA37T7.5K219B-F

Mouser Part No
598-SFA37T7.5K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 7.5uF 370V

Datasheet

55In Stock

CHF 12.27

CHF 9.31

CHF 8.29

CHF 7.46

View

Min.: 1
Mult.: 1

Motor Run Capacitors

7.5 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 10uF 440V

SFA44T10K388B-F
Knowles / Illinois Capacitor
1: CHF 22.96
17In Stock
63Expected 9/7/2026

Mfr. Part No.
SFA44T10K388B-F

Mouser Part No
598-SFA44T10K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 440V

Datasheet

17In Stock

63Expected 9/7/2026

CHF 22.96

CHF 17.78

CHF 16.25

CHF 14.95

CHF 13.96

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 440V

SFA44T2K219B-F
Knowles / Illinois Capacitor
1: CHF 18.42
27In Stock

Mfr. Part No.
SFA44T2K219B-F

Mouser Part No
598-SFA44T2K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 440V

Datasheet

27In Stock

CHF 18.42

CHF 14.64

CHF 13.21

CHF 12.77

View

Min.: 1
Mult.: 1

Motor Run Capacitors

2 uF

440 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: CHF 17.99
7In Stock
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

7In Stock

44On Order

CHF 17.99

CHF 14.28

CHF 12.89

CHF 12.16

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 1uF 660V

SFA66T1K219B-F
Knowles / Illinois Capacitor
1: CHF 13.20
62In Stock

Mfr. Part No.
SFA66T1K219B-F

Mouser Part No
598-SFA66T1K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 1uF 660V

Datasheet

62In Stock

CHF 13.20

CHF 10.45

CHF 9.95

CHF 8.47

CHF 7.76

Min.: 1
Mult.: 1

Motor Run Capacitors

1 uF

660 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 2uF 660V

SFA66T2K219B-F
Knowles / Illinois Capacitor
1: CHF 9.36
50In Stock
63Expected 11/30/2026

Mfr. Part No.
SFA66T2K219B-F

Mouser Part No
598-SFA66T2K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

Datasheet

50In Stock

63Expected 11/30/2026

CHF 9.36

CHF 8.92

CHF 7.98

Min.: 1
Mult.: 1

Motor Run Capacitors

2 uF

660 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 25uF 370V

SFC37T25K291B-F
Knowles / Illinois Capacitor
1: CHF 26.70
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

CHF 26.70

CHF 21.27

CHF 19.74

CHF 18.41

CHF 17.19

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

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