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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: Rp531.851
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

Rp531.851

Rp432.232

Rp392.421

Rp379.946

Rp379.579

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: Rp527.448
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

Rp527.448

Rp471.676

Rp431.314

Rp398.842

View

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: Rp786.126
1In Stock
20Expected 18/05/2026

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 18/05/2026

Rp786.126

Rp648.898

Rp599.547

Rp521.944

Quote

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: Rp718.429
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

Rp718.429

Rp593.860

Rp543.959

Rp528.548

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: Rp500.295
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

Rp500.295

Rp437.002

Rp410.767

Rp349.124

View

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: Rp601.015
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

Rp601.015

Rp514.422

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: Rp820.984
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

Rp820.984

Rp641.376

Rp621.929

Rp605.968

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: Rp607.620
1In Stock
64Expected 11/05/2026

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 11/05/2026

Rp607.620

Rp497.727

Rp448.560

Rp435.534

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: Rp861.161
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

Rp861.161

Rp646.513

Rp637.890

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: Rp981.878
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

Rp981.878

Rp820.800

Rp736.959

Rp668.161

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: Rp1.368.795
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

Rp1.368.795

Rp1.169.007

Rp1.073.608

Rp977.475

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: Rp1.418.146
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

Rp1.418.146

Rp1.373.382

Rp1.203.681

Rp1.172.309

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: Rp454.064
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

Rp454.064

Rp345.822

Rp300.507

Rp285.097

Rp265.100

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: Rp794.015
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

Rp794.015

Rp656.603

Rp589.457

Rp524.512

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: Rp691.828
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

Rp691.828

Rp654.952

Rp595.511

Rp568.359

Quote

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: Rp846.301
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

Rp846.301

Rp661.924

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: Rp371.140
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

Rp371.140

Rp284.180

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: Rp671.464
63Expected 16/03/2026

Mfr. Part No.
SFA66T10K475B-F

Mouser Part No
598-SFA66T10K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

Datasheet

63Expected 16/03/2026

Rp671.464

Rp508.001

Rp451.679

Rp429.480

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: Rp1.316.876
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

Rp1.316.876

Rp1.192.673

Rp967.568

Rp882.259

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: Rp717.512
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

Rp717.512

Rp600.098

Rp568.359

Rp552.582

View

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: Rp1.536.661
24Expected 16/06/2026

Mfr. Part No.
SFD66T35K475B-F

Mouser Part No
598-SFD66T35K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 660V

Datasheet

24Expected 16/06/2026

Rp1.536.661

Rp1.091.037

Rp1.088.101

Rp1.087.918

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: Rp854.190
42Expected 11/05/2026

Mfr. Part No.
SFS37T50K384B-F

Mouser Part No
598-SFS37T50K384B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

Datasheet

42Expected 11/05/2026

Rp854.190

Rp709.440

Rp645.412

Rp627.433

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: Rp614.224
19Expected 15/06/2026

Mfr. Part No.
SFA37T15K288B-F

Mouser Part No
598-SFA37T15K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 370V

Datasheet

19Expected 15/06/2026

Rp614.224

Rp503.414

Rp459.017

Rp445.257

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: Rp501.396
60Expected 09/03/2026

Mfr. Part No.
SFA44T10K388B-F

Mouser Part No
598-SFA44T10K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 440V

Datasheet

60Expected 09/03/2026

Rp501.396

Rp389.853

Rp331.512

Rp314.267

Rp286.381

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: Rp192.450
125Expected 16/03/2026

Mfr. Part No.
SFA66T2K156B-F

Mouser Part No
598-SFA66T2K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

Datasheet

125Expected 16/03/2026

Rp192.450

Rp146.768

Rp128.422

Rp121.084

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

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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