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SF Series Motor Start Capacitors & Motor Run Capacitors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Capacitance	Voltage Rating AC	Termination Style	Life	Length	Width	Depth	Lead Spacing	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Motor Start Capacitors & Motor Run Capacitors 15uF 660V SFC66T15K391B-F Knowles / Illinois Capacitor 1: €43.59 10In Stock	Mfr. Part No. SFC66T15K391B-F Mouser Part No 598-SFC66T15K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 15uF 660V	Datasheet	10In Stock	€43.59 €34.03 €30.10 €28.86	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 18uF 660V SFC66T18K391B-F Knowles / Illinois Capacitor 1: €44.42 21In Stock	Mfr. Part No. SFC66T18K391B-F Mouser Part No 598-SFC66T18K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 18uF 660V	Datasheet	21In Stock	€44.42 €31.81 €30.41 €29.25 View Quote	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 25uF 660V SFD66T25K391B-F Knowles / Illinois Capacitor 1: €60.29 27In Stock 165On Order	Mfr. Part No. SFD66T25K391B-F Mouser Part No 598-SFD66T25K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 25uF 660V	Datasheet	27In Stock 165On Order On Order Ship Dates Mfr. No: SFD66T25K391B-F Stock: 27 Can Dispatch Immediately On Order: 65 Expected 12/10/2026 100 Expected 02/11/2026 Factory Lead Time: 20 Weeks	€60.29 €48.41 €44.72 €42.88 View Quote	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 20uF 370V SFP37T20K238B-F Knowles / Illinois Capacitor 1: €17.99 60In Stock	Mfr. Part No. SFP37T20K238B-F Mouser Part No 598-SFP37T20K238B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 20uF 370V	Datasheet	60In Stock	€17.99 €13.77 €12.31 €11.14 View €10.70 €10.30	Min.: 1 Mult.: 1	Motor Run Capacitors	20 uF	370 VAC	Quick Connect	60000 Hour	60.45 mm	47.5 mm	47.5 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 20uF 440V SFP44T20K284B-F Knowles / Illinois Capacitor 1: €28.44 49In Stock	Mfr. Part No. SFP44T20K284B-F Mouser Part No 598-SFP44T20K284B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 20uF 440V	Datasheet	49In Stock	€28.44 €21.63 €18.34 €17.58 €16.64	Min.: 1 Mult.: 1	Motor Run Capacitors	20 uF	440 VAC	Quick Connect	60000 Hour	72.14 mm	47.5 mm	47.5 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 50uF 370V SFS37T50K384B-F Knowles / Illinois Capacitor 1: €39.83 5In Stock 84Expected 05/01/2027	Mfr. Part No. SFS37T50K384B-F Mouser Part No 598-SFS37T50K384B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 50uF 370V	Datasheet	5In Stock 84Expected 05/01/2027	€39.83 €29.70 €28.01 €26.95 View Quote	Min.: 1 Mult.: 1	Motor Run Capacitors	50 uF	370 VAC	Quick Connect	60000 Hour	97.54 mm	53.85 mm	53.85 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 35uF 440V SFT44T35K291B-F Knowles / Illinois Capacitor 1: €46.50 14In Stock	Mfr. Part No. SFT44T35K291B-F Mouser Part No 598-SFT44T35K291B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 35uF 440V	Datasheet	14In Stock	€46.50 €34.00 €32.45 €31.17 View Quote	Min.: 1 Mult.: 1	Motor Run Capacitors	35 uF	440 VAC	Quick Connect	60000 Hour	73.91 mm	66.55 mm	66.55 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 5uF 370V SFP37T5K238B-F Knowles / Illinois Capacitor 1: €18.67 46In Stock	Mfr. Part No. SFP37T5K238B-F Mouser Part No 598-SFP37T5K238B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 5uF 370V	Datasheet	46In Stock	€18.67 €14.28 €11.52 €10.97 View €10.82 Quote	Min.: 1 Mult.: 1	Motor Run Capacitors	5 uF	370 VAC	Quick Connect	60000 Hour	60.45 mm	47.5 mm	47.5 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 20uF 660V 10% SFT66T20K391B-F Knowles / Illinois Capacitor 1: €22.45 31In Stock 150On Order	Mfr. Part No. SFT66T20K391B-F Mouser Part No 598-SFT66T20K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 20uF 660V 10%	Datasheet	31In Stock 150On Order	€22.45 €19.74 €18.78 €18.60 View €17.47 Quote	Min.: 1 Mult.: 1	Motor Run Capacitors	20 uF	660 VAC	Quick Connect	60000 Hour	99.31 mm	66.55 mm	66.55 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 10uF 660V SFA66T10K475B-F Knowles / Illinois Capacitor 1: €29.53 62Expected 16/11/2026	Mfr. Part No. SFA66T10K475B-F Mouser Part No 598-SFA66T10K475B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 10uF 660V	Datasheet	62Expected 16/11/2026	€29.53 €24.19 €21.83 €21.20 View €20.45 Quote	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 6uF 660V SFA66T6K388B-F Knowles / Illinois Capacitor 1: €18.01 125On Order	Mfr. Part No. SFA66T6K388B-F Mouser Part No 598-SFA66T6K388B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 6uF 660V	Datasheet	125On Order On Order Ship Dates Mfr. No: SFA66T6K388B-F Stock: 0 On Order: 62 Expected 11/01/2027 63 Expected 19/01/2027 Factory Lead Time: 20 Weeks	€18.01 €15.02 €11.52 €10.92 €9.90	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 20uF 370V SFC37T20K291B-F Knowles / Illinois Capacitor 1: €28.51 77Expected 13/01/2027	Mfr. Part No. SFC37T20K291B-F Mouser Part No 598-SFC37T20K291B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 20uF 370V	Datasheet	77Expected 13/01/2027	€28.51 €21.80 €19.04 €18.17 €16.68	Min.: 1 Mult.: 1	Motor Run Capacitors	20 uF	370 VAC	Quick Connect	60000 Hour	73.91 mm	73.91 mm	48.51 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 40uF 660V SFD66T40K475B-F Knowles / Illinois Capacitor 1: €76.01 23Expected 19/10/2026	Mfr. Part No. SFD66T40K475B-F Mouser Part No 598-SFD66T40K475B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 40uF 660V	Datasheet	23Expected 19/10/2026	€76.01 €59.82 €57.69 €56.63	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 55uF 5% 660V SFT66C55J572J-F Knowles / Illinois Capacitor 1: €45.53 45Expected 16/11/2026	Mfr. Part No. SFT66C55J572J-F Mouser Part No 598-SFT66C55J572J-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 55uF 5% 660V	Datasheet	45Expected 16/11/2026	€45.53 €33.43 View €33.42 Quote	Min.: 1 Mult.: 1	Motor Run Capacitors	55 uF	660 VAC	Quick Connect	60000 Hour	145.288 mm	66.55 mm	66.55 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 10uF 370V SFA37T10K288B-F Knowles / Illinois Capacitor 1: €21.35 102On Order	Mfr. Part No. SFA37T10K288B-F Mouser Part No 598-SFA37T10K288B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 10uF 370V	Datasheet	102On Order On Order Ship Dates Mfr. No: SFA37T10K288B-F Stock: 0 On Order: 12 Expected 30/11/2026 90 Expected 14/12/2026 Factory Lead Time: 20 Weeks	€21.35 €16.19 €14.38 €13.67 €12.44	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 2uF 370V SFA37T2K219B-F Knowles / Illinois Capacitor 1: €16.56 13Expected 14/01/2027	Mfr. Part No. SFA37T2K219B-F Mouser Part No 598-SFA37T2K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 2uF 370V	Datasheet	13Expected 14/01/2027	€16.56 €12.68 €10.23 €9.57 €8.63	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 4uF 370V SFA37T4K219B-F Knowles / Illinois Capacitor 1: €17.20 15Expected 19/10/2026	Mfr. Part No. SFA37T4K219B-F Mouser Part No 598-SFA37T4K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 4uF 370V	Datasheet	15Expected 19/10/2026	€17.20 €11.90 €10.85 €10.30 €9.48	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 370V 5uF SFA37T5K219B-F Knowles / Illinois Capacitor 1: €17.20 58Expected 07/12/2026	Mfr. Part No. SFA37T5K219B-F Mouser Part No 598-SFA37T5K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 370V 5uF	Datasheet	58Expected 07/12/2026	€17.20 €11.90 €10.85 €10.30 €9.48	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 10uF 440V SFA44T10K388B-F Knowles / Illinois Capacitor 1: €24.91 63Expected 05/10/2026	Mfr. Part No. SFA44T10K388B-F Mouser Part No 598-SFA44T10K388B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 10uF 440V	Datasheet	63Expected 05/10/2026	€24.91 €17.73 €16.17 €15.43 €14.32	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 4uF 440V SFA44T4K219B-F Knowles / Illinois Capacitor 1: €16.78 52Expected 07/01/2027	Mfr. Part No. SFA44T4K219B-F Mouser Part No 598-SFA44T4K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 4uF 440V	Datasheet	52Expected 07/01/2027	€16.78 €12.69 €10.68 €10.14 View €9.31 €8.96	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 8uF 660V SFA66T8K475B-F Knowles / Illinois Capacitor 1: €30.82 22On Order	Mfr. Part No. SFA66T8K475B-F Mouser Part No 598-SFA66T8K475B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 8uF 660V	Datasheet	22On Order On Order Ship Dates Mfr. No: SFA66T8K475B-F Stock: 0 On Order: 7 Expected 28/09/2026 15 Expected 05/10/2026 Factory Lead Time: 20 Weeks	€30.82 €22.86 €20.92 €19.99 View €18.94 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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 30uF 370V SFC37T30K291B-F Knowles / Illinois Capacitor 1: €20.56 40Expected 07/12/2026	Mfr. Part No. SFC37T30K291B-F Mouser Part No 598-SFC37T30K291B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 30uF 370V	Datasheet	40Expected 07/12/2026	€20.56 €15.38 €13.24 €12.57 €12.05	Min.: 1 Mult.: 1	Motor Run Capacitors	30 uF	370 VAC	Quick Connect	60000 Hour	73.91 mm	73.91 mm	48.51 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 75uF 370V SFT37T75K391B-F Knowles / Illinois Capacitor 1: €61.30 8Expected 04/02/2027	Mfr. Part No. SFT37T75K391B-F Mouser Part No 598-SFT37T75K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 75uF 370V	Datasheet	8Expected 04/02/2027	€61.30 €48.35 €46.90 €46.32 View Quote	Min.: 1 Mult.: 1	Motor Run Capacitors	75 uF	370 VAC	Quick Connect	60000 Hour	99.31 mm	66.55 mm	66.55 mm	20.57 mm	- 40 C	+ 70 C	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 50UF 660V 10% SFD66T50K475B-F Knowles / Illinois Capacitor 1: €42.02 38Expected 05/10/2026	Mfr. Part No. SFD66T50K475B-F Mouser Part No 598-SFD66T50K475B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 50UF 660V 10%	Datasheet	38Expected 05/10/2026	€42.02 €32.87 View €32.86 €32.32 Quote	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	SF
Motor Start Capacitors & Motor Run Capacitors SFT24T100H391B-F Knowles / Illinois Capacitor 1: €18.58 25Expected 05/10/2026	Mfr. Part No. SFT24T100H391B-F Mouser Part No 598-SFT24T100H391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors	Datasheet	25Expected 05/10/2026	€18.58 €14.22 View €12.71 €12.41 €11.46 €10.64	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	SF