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SF Series Motor Start Capacitors & Motor Run Capacitors

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Part #

Motor Start Capacitors & Motor Run Capacitors 12uF 660V

SFC66T12K391B-F
Knowles / Illinois Capacitor
1: ¥8,318.3
6In Stock
30Expected 8/26/2026

Mfr. Part #
SFC66T12K391B-F

Mouser Part #
598-SFC66T12K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12uF 660V

Datasheet

6In Stock

30Expected 8/26/2026

¥8,318.3

¥6,776.9

¥5,595.9

¥5,403.2

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: ¥7,923
12In Stock

Mfr. Part #
SFC66T15K391B-F

Mouser Part #
598-SFC66T15K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 660V

Datasheet

12In Stock

¥7,923

¥6,529.4

¥6,197.2

¥5,738.8

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: ¥9,295
27In Stock

Mfr. Part #
SFC66T18K391B-F

Mouser Part #
598-SFC66T18K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 18uF 660V

Datasheet

27In Stock

¥9,295

¥7,363.2

¥7,153.9

¥6,982.8

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: ¥11,608.7
5In Stock
200On Order

Mfr. Part #
SFD66T25K391B-F

Mouser Part #
598-SFD66T25K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 25uF 660V

Datasheet

5In Stock

200On Order

¥11,608.7

¥10,251.7

¥9,740.1

¥8,339.9

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: ¥4,024.6
13In Stock

Mfr. Part #
SFP37T12.5K238B-F

Mouser Part #
598-SFP37T12.5K238BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12.5uF 370V

Datasheet

13In Stock

¥4,024.6

¥3,222.3

¥2,810.4

¥2,687.5

¥2,534.7

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: ¥3,474.8
60In Stock

Mfr. Part #
SFP37T20K238B-F

Mouser Part #
598-SFP37T20K238B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 370V

Datasheet

60In Stock

¥3,474.8

¥2,659.3

¥2,378.6

¥2,149.3

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: ¥7,600.7
5In Stock

Mfr. Part #
SFP37T30K284B-F

Mouser Part #
598-SFP37T30K284B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

Datasheet

5In Stock

¥7,600.7

¥6,100.9

¥4,984.7

¥4,893.3

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: ¥5,634.1
49In Stock

Mfr. Part #
SFP44T20K284B-F

Mouser Part #
598-SFP44T20K284B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 440V

Datasheet

49In Stock

¥5,634.1

¥4,365.1

¥3,988.1

¥3,670.8

¥3,428.3

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: ¥7,937.9
15In Stock

Mfr. Part #
SFS37T50K384B-F

Mouser Part #
598-SFS37T50K384B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

Datasheet

15In Stock

¥7,937.9

¥6,323.4

¥6,321.8

¥5,810.2

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: ¥9,157.1
15In Stock

Mfr. Part #
SFT44T35K291B-F

Mouser Part #
598-SFT44T35K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 440V

Datasheet

15In Stock

¥9,157.1

¥7,162.2

¥7,160.6

¥6,732

View

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: ¥5,589.3
21In Stock

Mfr. Part #
SFT66T40K475B-F

Mouser Part #
598-SFT66T40K475B-F

Knowles / Illinois Capacitor

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

Datasheet

21In Stock

¥5,589.3

¥5,152.4

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: ¥5,592.6
56In Stock

Mfr. Part #
SFC37T25K291B-F

Mouser Part #
598-SFC37T25K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 25uF 370V

Datasheet

56In Stock

¥5,592.6

¥4,454.8

¥4,134.2

¥3,856.8

¥3,601

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: ¥3,604.4
46In Stock

Mfr. Part #
SFP37T5K238B-F

Mouser Part #
598-SFP37T5K238B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 5uF 370V

Datasheet

46In Stock

¥3,604.4

¥2,757.3

¥2,464.9

¥2,230.7

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: ¥4,117.6
150On Order

Mfr. Part #
SFA37T10K288B-F

Mouser Part #
598-SFA37T10K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 370V

Datasheet

150On Order

¥4,117.6

¥3,127.7

¥2,778.9

¥2,639.3

¥2,403.5

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: ¥5,703.9
62Expected 11/16/2026

Mfr. Part #
SFA66T10K475B-F

Mouser Part #
598-SFA66T10K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

Datasheet

62Expected 11/16/2026

¥5,703.9

¥4,672.4

¥4,215.6

¥4,094.4

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: ¥12,839.5
23Expected 10/19/2026

Mfr. Part #
SFD66T40K475B-F

Mouser Part #
598-SFD66T40K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 40uF 660V

Datasheet

23Expected 10/19/2026

¥12,839.5

¥12,510.7

¥11,283.2

¥11,279.9

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: ¥8,245.2
45Expected 11/16/2026

Mfr. Part #
SFT66C55J572J-F

Mouser Part #
598-SFT66C55J572J-F

Knowles / Illinois Capacitor

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

Datasheet

45Expected 11/16/2026

¥8,245.2

¥6,021.1

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: ¥4,336.9
196Expected 8/17/2026

Mfr. Part #
SFT66T20K391B-F

Mouser Part #
598-SFT66T20K391B-F

Knowles / Illinois Capacitor

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

Datasheet

196Expected 8/17/2026

¥4,336.9

¥3,812

¥3,627.6

¥3,592.7

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: ¥3,322
15Expected 9/16/2026

Mfr. Part #
SFA37T4K219B-F

Mouser Part #
598-SFA37T4K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 4uF 370V

Datasheet

15Expected 9/16/2026

¥3,322

¥2,298.8

¥2,096.2

¥1,989.9

¥1,830.4

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: ¥3,411.7
58Expected 12/7/2026

Mfr. Part #
SFA37T5K219B-F

Mouser Part #
598-SFA37T5K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 370V 5uF

Datasheet

58Expected 12/7/2026

¥3,411.7

¥2,576.2

¥2,204.1

¥2,109.5

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: ¥3,160.9
44On Order

Mfr. Part #
SFA66T1K156B-F

Mouser Part #
598-SFA66T1K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 660V 1uF

Datasheet

44On Order

¥3,160.9

¥2,368.6

¥2,048

¥1,936.7

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: ¥5,708.9
20Expected 8/24/2026

Mfr. Part #
SFA66T5K388B-F

Mouser Part #
598-SFA66T5K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 5uF 660V

Datasheet

20Expected 8/24/2026

¥5,708.9

¥4,325.2

¥3,988.1

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: ¥8,042.6
33On Order

Mfr. Part #
SFA66T8K475B-F

Mouser Part #
598-SFA66T8K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 8uF 660V

Datasheet

33On Order

¥8,042.6

¥6,678.9

¥5,521.2

¥4,881.7

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: ¥6,149
40Expected 12/7/2026

Mfr. Part #
SFC37T30K291B-F

Mouser Part #
598-SFC37T30K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

Datasheet

40Expected 12/7/2026

¥6,149

¥4,843.5

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: ¥8,481.1
35Expected 8/24/2026

Mfr. Part #
SFS44T30K291B-F

Mouser Part #
598-SFS44T30K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 440V

Datasheet

35Expected 8/24/2026

¥8,481.1

¥6,094.2

¥5,982.9

¥5,723.8

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

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