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SF Series Motor Start Capacitors & Motor Run Capacitors

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Part #

Motor Start Capacitors & Motor Run Capacitors 75uF 370V

SFT37T75K391B-F
Knowles / Illinois Capacitor
1: $71.28
13On Order

Mfr. Part No.
SFT37T75K391B-F

Mouser Part No
598-SFT37T75K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 75uF 370V

Datasheet

13On Order

$71.28

$56.22

$54.53

$53.86

View

Min.: 1
Mult.: 1

Motor Run Capacitors

75 uF

370 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

SFD66T50K475B-F
Knowles / Illinois Capacitor
1: $48.86
38Expected 05/10/2026

Mfr. Part No.
SFD66T50K475B-F

Mouser Part No
598-SFD66T50K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors

Datasheet

38Expected 05/10/2026

$48.86

$38.22

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

SFT24T100H391B-F
Knowles / Illinois Capacitor
1: $21.61
25On Order

Mfr. Part No.
SFT24T100H391B-F

Mouser Part No
598-SFT24T100H391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors

Datasheet

25On Order

$21.61

$16.53

View

Min.: 1
Mult.: 1

Motor Run Capacitors

100 uF

240 VAC

Quick Connect

60000 Hour

99.314 mm

66.548 mm

- 40 C

+ 70 C

Motor Start Capacitors & Motor Run Capacitors 20uF 660V

SFD66T20K391B-F
Knowles / Illinois Capacitor
1: $78.34
1Stock Available

Mfr. Part No.
SFD66T20K391B-F

Mouser Part No
598-SFD66T20K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 660V

Datasheet

1Stock Available

More Info Available

$78.34

$63.93

$57.47

$55.44

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 80uF 370V

SFT37T80K391B-F
Knowles / Illinois Capacitor
1: $75.41
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFT37T80K391B-F

Mouser Part No
598-SFT37T80K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 80uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$75.41

$59.30

$57.74

$52.91

Quote

Min.: 1
Mult.: 1

Motor Run Capacitors

80 uF

370 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 12.5uF 370V

SFA37T12.5K288B-F
Knowles / Illinois Capacitor
1: $16.24
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA37T12.5K288B-F

Mouser Part No
598-SFA37T12.5K288BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12.5uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$16.24

$13.14

$11.90

$11.27

View

Min.: 1
Mult.: 1

Motor Run Capacitors

12.5 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 20uF 370V

SFA37T20K388B-F
Knowles / Illinois Capacitor
126: $12.76
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA37T20K388B-F

Mouser Part No
598-SFA37T20K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$12.76

$12.27

$11.81

Min.: 126
Mult.: 63

Motor Run Capacitors

20 uF

370 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 370V

SFA37T2K156B-F
Knowles / Illinois Capacitor
126: $7.32
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA37T2K156B-F

Mouser Part No
598-SFA37T2K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$7.32

$6.81

$6.37

Min.: 126
Mult.: 126

Motor Run Capacitors

2 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 3uF 370V

SFA37T3K156B-F
Knowles / Illinois Capacitor
126: $7.03
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA37T3K156B-F

Mouser Part No
598-SFA37T3K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 3uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$7.03

$6.98

$6.58

Quote

Min.: 126
Mult.: 126

Motor Run Capacitors

3 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

SFA37T6K156B-F
Knowles / Illinois Capacitor
126: $9.14
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA37T6K156B-F

Mouser Part No
598-SFA37T6K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 6uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$9.14

$9.08

$8.55

Min.: 126
Mult.: 126

Motor Run Capacitors

6 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 12.5uF 440V

SFA44T12.5K388B-F
Knowles / Illinois Capacitor
63: $21.32
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA44T12.5K388B-F

Mouser Part No
598-SFA44T12.5K388BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12.5uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$21.32

$19.62

$18.32

Min.: 63
Mult.: 63

Motor Run Capacitors

12.5 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 15uF 440V

SFA44T15K388B-F
Knowles / Illinois Capacitor
126: $15.15
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA44T15K388B-F

Mouser Part No
598-SFA44T15K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$15.15

$14.57

Quote

Min.: 126
Mult.: 63

Motor Run Capacitors

15 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

SFA44T2K156B-F
Knowles / Illinois Capacitor
126: $8.93
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA44T2K156B-F

Mouser Part No
598-SFA44T2K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$8.93

$8.45

$8.01

Min.: 126
Mult.: 126

Motor Run Capacitors

2 uF

440 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 2uF 440V

SFA44T2K219B-F
Knowles / Illinois Capacitor
1: $18.99
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA44T2K219B-F

Mouser Part No
598-SFA44T2K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$18.99

$14.28

$12.22

$11.58

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 3uF 440V

SFA44T3K156B-F
Knowles / Illinois Capacitor
126: $8.69
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA44T3K156B-F

Mouser Part No
598-SFA44T3K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 3uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$8.69

$8.22

$7.80

Min.: 126
Mult.: 126

Motor Run Capacitors

3 uF

440 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 440V

SFA44T3K219B-F
Knowles / Illinois Capacitor
1: $18.57
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA44T3K219B-F

Mouser Part No
598-SFA44T3K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 3uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$18.57

$14.08

$12.53

$11.29

View

Min.: 1
Mult.: 1

Motor Run Capacitors

3 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 4uF 440V

SFA44T4K156B-F
Knowles / Illinois Capacitor
126: $11.34
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA44T4K156B-F

Mouser Part No
598-SFA44T4K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 4uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$11.34

$10.72

$10.17

Min.: 126
Mult.: 126

Motor Run Capacitors

4 uF

440 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 440V

SFA44T6K288B-F
Knowles / Illinois Capacitor
63: $16.18
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA44T6K288B-F

Mouser Part No
598-SFA44T6K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 6uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$16.18

$14.63

$14.06

Quote

Min.: 63
Mult.: 63

Motor Run Capacitors

6 uF

440 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 7.5uF 440V

SFA44T7.5K288B-F
Knowles / Illinois Capacitor
1: $24.23
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFA44T7.5K288B-F

Mouser Part No
598-SFA44T7.5K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 7.5uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$24.23

$18.54

$16.58

$16.18

View

Min.: 1
Mult.: 1

Motor Run Capacitors

7.5 uF

440 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 17.5uF 370V

SFC37T17.5K291B-F
Knowles / Illinois Capacitor
64: $23.51
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFC37T17.5K291B-F

Mouser Part No
598-SFC37T17.5K291BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 17.5uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$23.51

$21.64

$20.21

Min.: 64
Mult.: 64

Motor Run Capacitors

17.5 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 45uF 370V

SFC37T45K391B-F
Knowles / Illinois Capacitor
64: $36.49
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFC37T45K391B-F

Mouser Part No
598-SFC37T45K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 45uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$36.49

$35.00

Quote

Min.: 64
Mult.: 32

Motor Run Capacitors

45 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 50uF 370V

SFC37T50K391B-F
Knowles / Illinois Capacitor
64: $37.80
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFC37T50K391B-F

Mouser Part No
598-SFC37T50K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$37.80

$36.26

Quote

Min.: 64
Mult.: 32

Motor Run Capacitors

50 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 12.5uF 440V

SFC44T12.5K291B-F
Knowles / Illinois Capacitor
64: $31.81
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFC44T12.5K291B-F

Mouser Part No
598-SFC44T12.5K291BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12.5uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$31.81

$29.68

Quote

Min.: 64
Mult.: 64

Motor Run Capacitors

12.5 uF

440 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 15uF 440V

SFC44T15K291B-F
Knowles / Illinois Capacitor
64: $24.24
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFC44T15K291B-F

Mouser Part No
598-SFC44T15K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$24.24

$22.32

$20.84

Min.: 64
Mult.: 64

Motor Run Capacitors

15 uF

440 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 17.5uF 440V

SFC44T17.5K291B-F
Knowles / Illinois Capacitor
64: $23.15
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
SFC44T17.5K291B-F

Mouser Part No
598-SFC44T17.5K291BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 17.5uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

$23.15

$23.14

$21.73

View

Min.: 64
Mult.: 64

Motor Run Capacitors

17.5 uF

440 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