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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: ¥11,839.6
13Expected 8/17/2026

Mfr. Part #
SFT37T75K391B-F

Mouser Part #
598-SFT37T75K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 75uF 370V

Datasheet

13Expected 8/17/2026

¥11,839.6

¥9,338.1

¥9,057.4

¥8,946.1

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: ¥8,115.6
38Expected 10/5/2026

Mfr. Part #
SFD66T50K475B-F

Mouser Part #
598-SFD66T50K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors

Datasheet

38Expected 10/5/2026

¥8,115.6

¥6,348.3

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: ¥3,589.4
25Expected 8/17/2026

Mfr. Part #
SFT24T100H391B-F

Mouser Part #
598-SFT24T100H391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors

Datasheet

25Expected 8/17/2026

¥3,589.4

¥2,745.6

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 370V

SFC37T20K291B-F
Knowles / Illinois Capacitor
1: ¥5,650.7
324Factory Stock Available

Mfr. Part #
SFC37T20K291B-F

Mouser Part #
598-SFC37T20K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 370V

Datasheet

324Factory Stock Available

More Info Available

¥5,650.7

¥4,376.7

¥3,999.7

¥3,680.8

¥3,438.3

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 80uF 370V

SFT37T80K391B-F
Knowles / Illinois Capacitor
25: ¥9,849.7
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFT37T80K391B-F

Mouser Part #
598-SFT37T80K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 80uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥9,849.7

¥9,590.6

¥8,788.4

Quote

Min.: 25
Mult.: 25

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: ¥3,180.8
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA37T12.5K288B-F

Mouser Part #
598-SFA37T12.5K288BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12.5uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥3,180.8

¥2,411.8

¥2,146

¥1,933.4

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: ¥2,119.4
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA37T20K388B-F

Mouser Part #
598-SFA37T20K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥2,119.4

¥2,038

¥1,961.6

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: ¥1,215.9
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA37T2K156B-F

Mouser Part #
598-SFA37T2K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥1,215.9

¥1,131.1

¥1,058.1

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: ¥1,167.7
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA37T3K156B-F

Mouser Part #
598-SFA37T3K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 3uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥1,167.7

¥1,159.4

¥1,092.9

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: ¥1,518.2
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA37T6K156B-F

Mouser Part #
598-SFA37T6K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 6uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥1,518.2

¥1,508.2

¥1,420.2

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: ¥3,541.3
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA44T12.5K388B-F

Mouser Part #
598-SFA44T12.5K388BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12.5uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥3,541.3

¥3,258.9

¥3,043

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: ¥2,516.4
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA44T15K388B-F

Mouser Part #
598-SFA44T15K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥2,516.4

¥2,420.1

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: ¥1,483.3
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA44T2K156B-F

Mouser Part #
598-SFA44T2K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥1,483.3

¥1,403.5

¥1,330.5

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 3uF 440V

SFA44T3K156B-F
Knowles / Illinois Capacitor
126: ¥1,443.4
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA44T3K156B-F

Mouser Part #
598-SFA44T3K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 3uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥1,443.4

¥1,365.3

¥1,295.6

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: ¥3,084.5
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA44T3K219B-F

Mouser Part #
598-SFA44T3K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 3uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥3,084.5

¥2,338.7

¥2,081.2

¥1,875.3

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: ¥1,883.6
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA44T4K156B-F

Mouser Part #
598-SFA44T4K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 4uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥1,883.6

¥1,780.6

¥1,689.2

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: ¥2,687.5
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA44T6K288B-F

Mouser Part #
598-SFA44T6K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 6uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥2,687.5

¥2,430

¥2,335.4

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: ¥4,024.6
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFA44T7.5K288B-F

Mouser Part #
598-SFA44T7.5K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 7.5uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥4,024.6

¥3,079.5

¥2,753.9

¥2,687.5

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: ¥3,905
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFC37T17.5K291B-F

Mouser Part #
598-SFC37T17.5K291BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 17.5uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥3,905

¥3,594.4

¥3,356.9

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: ¥6,061
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFC37T45K391B-F

Mouser Part #
598-SFC37T45K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 45uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥6,061

¥5,813.5

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: ¥6,278.6
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFC37T50K391B-F

Mouser Part #
598-SFC37T50K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥6,278.6

¥6,022.8

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: ¥5,283.6
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFC44T12.5K291B-F

Mouser Part #
598-SFC44T12.5K291BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12.5uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥5,283.6

¥4,929.8

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: ¥4,026.3
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFC44T15K291B-F

Mouser Part #
598-SFC44T15K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥4,026.3

¥3,707.4

¥3,461.5

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: ¥3,845.2
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFC44T17.5K291B-F

Mouser Part #
598-SFC44T17.5K291BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 17.5uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥3,845.2

¥3,843.6

¥3,609.4

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

Motor Start Capacitors & Motor Run Capacitors 20uF 440V

SFC44T20K391B-F
Knowles / Illinois Capacitor
32: ¥5,853.4
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
SFC44T20K391B-F

Mouser Part #
598-SFC44T20K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 440V

Datasheet

Non-Stocked Lead-Time 20 Weeks

¥5,853.4

¥5,602.6

¥5,373.3

Quote

Min.: 32
Mult.: 32

Motor Run Capacitors

20 uF

440 VAC

Quick Connect

60000 Hour

99.31 mm

73.91 mm

48.51 mm

20.57 mm

- 40 C

+ 70 C

Bulk

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