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SF Series Motor Start Capacitors & Motor Run Capacitors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 660V 1uF SFA66T1K156B-F Knowles / Illinois Capacitor 1: ¥3,097.8 34In Stock	Mfr. Part # SFA66T1K156B-F Mouser Part # 598-SFA66T1K156B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 660V 1uF	Datasheet	34In Stock	¥3,097.8 ¥2,348.7 ¥2,091.2 ¥1,883.6 View ¥1,780.6 ¥1,689.2	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 1uF 660V SFA66T1K219B-F Knowles / Illinois Capacitor 1: ¥2,918.4 33In Stock	Mfr. Part # SFA66T1K219B-F Mouser Part # 598-SFA66T1K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 1uF 660V	Datasheet	33In Stock	¥2,918.4 ¥2,254 ¥2,084.6 ¥1,891.9 View ¥1,732.4 ¥1,657.7	Min.: 1 Mult.: 1	Motor Run Capacitors	1 uF	660 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 2uF 660V SFA66T2K219B-F Knowles / Illinois Capacitor 1: ¥2,441.7 29In Stock 63Expected 12/7/2026	Mfr. Part # SFA66T2K219B-F Mouser Part # 598-SFA66T2K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 2uF 660V	Datasheet	29In Stock 63Expected 12/7/2026	¥2,441.7 ¥1,775.6 ¥1,566.3	Min.: 1 Mult.: 1	Motor Run Capacitors	2 uF	660 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 3uF 660V SFA66T3K288B-F Knowles / Illinois Capacitor 1: ¥3,883.4 19In Stock	Mfr. Part # SFA66T3K288B-F Mouser Part # 598-SFA66T3K288B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 3uF 660V	Datasheet	19In Stock	¥3,883.4 ¥2,911.7 ¥2,466.6 ¥2,347 View ¥2,165.9 Quote	Min.: 1 Mult.: 1	Motor Run Capacitors	3 uF	660 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 4uF 660V SFA66T4K288B-F Knowles / Illinois Capacitor 1: ¥3,323.7 38In Stock	Mfr. Part # SFA66T4K288B-F Mouser Part # 598-SFA66T4K288B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 4uF 660V	Datasheet	38In Stock	¥3,323.7 ¥2,900.1 ¥2,069.6 ¥1,960 View ¥1,773.9 ¥1,772.3 Quote	Min.: 1 Mult.: 1	Motor Run Capacitors	4 uF	660 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 5uF 660V SFA66T5K388B-F Knowles / Illinois Capacitor 1: ¥6,577.6 9In Stock 63Expected 4/19/2027	Mfr. Part # SFA66T5K388B-F Mouser Part # 598-SFA66T5K388B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 5uF 660V	Datasheet	9In Stock 63Expected 4/19/2027	¥6,577.6 ¥5,064.4 ¥4,443.2 ¥4,247.2	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 25uF 370V SFC37T25K291B-F Knowles / Illinois Capacitor 1: ¥4,479.7 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	¥4,479.7 ¥4,031.2 ¥3,961.5 ¥3,655.9 View ¥3,398.4 Quote	Min.: 1 Mult.: 1	Motor Run Capacitors	25 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 370V SFC37T40K391B-F Knowles / Illinois Capacitor 1: ¥7,426.3 4In Stock	Mfr. Part # SFC37T40K391B-F Mouser Part # 598-SFC37T40K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 40uF 370V	Datasheet	4In Stock	¥7,426.3 ¥5,473 ¥5,001.3 ¥4,865.1 View Quote	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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 12uF 660V SFC66T12K391B-F Knowles / Illinois Capacitor 1: ¥8,270.1 33In Stock	Mfr. Part # SFC66T12K391B-F Mouser Part # 598-SFC66T12K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 12uF 660V	Datasheet	33In Stock	¥8,270.1 ¥6,549.3 ¥5,499.6 ¥5,403.2 Quote 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	SF	Bulk
Motor Start Capacitors & Motor Run Capacitors 15uF 660V SFC66T15K391B-F Knowles / Illinois Capacitor 1: ¥8,419.6 10In Stock	Mfr. Part # SFC66T15K391B-F Mouser Part # 598-SFC66T15K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 15uF 660V	Datasheet	10In Stock	¥8,419.6 ¥6,572.6 ¥5,813.5 ¥5,574.3	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: ¥8,579.1 20In Stock	Mfr. Part # SFC66T18K391B-F Mouser Part # 598-SFC66T18K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 18uF 660V	Datasheet	20In Stock	¥8,579.1 ¥6,144 ¥5,873.3 ¥5,649.1 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 50uF 370V SFS37T50K384B-F Knowles / Illinois Capacitor 1: ¥8,024.3 2In Stock 84Expected 3/22/2027	Mfr. Part # SFS37T50K384B-F Mouser Part # 598-SFS37T50K384B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 50uF 370V	Datasheet	2In Stock 84Expected 3/22/2027	¥8,024.3 ¥5,808.5 ¥5,409.9	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: ¥8,021 13In Stock	Mfr. Part # SFT44T35K291B-F Mouser Part # 598-SFT44T35K291B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 35uF 440V	Datasheet	13In Stock	¥8,021 ¥6,419.8 ¥6,247 ¥5,486.3 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: ¥3,606 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	¥3,606 ¥2,758.9 ¥2,225.7 ¥2,224.1 View ¥2,119.4 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 10uF 370V SFA37T10K288B-F Knowles / Illinois Capacitor 1: ¥4,076.1 213On Order	Mfr. Part # SFA37T10K288B-F Mouser Part # 598-SFA37T10K288B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 10uF 370V	Datasheet	213On Order On Order Ship Dates Mfr. #: SFA37T10K288B-F Stock: 0 On Order: 60 Expected 12/7/2026 90 Expected 12/21/2026 63 Expected 3/22/2027 Factory Lead-Time: 30 Weeks	¥4,076.1 ¥3,082.8 ¥2,777.2 ¥2,641	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 10uF 660V SFA66T10K475B-F Knowles / Illinois Capacitor 1: ¥6,408.1 62Expected 11/23/2026	Mfr. Part # SFA66T10K475B-F Mouser Part # 598-SFA66T10K475B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 10uF 660V	Datasheet	62Expected 11/23/2026	¥6,408.1 ¥4,692.3 ¥4,273.8 ¥4,094.4 View ¥3,949.9 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: ¥4,071.1 125Expected 3/29/2027	Mfr. Part # SFA66T6K388B-F Mouser Part # 598-SFA66T6K388B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 6uF 660V	Datasheet	125Expected 3/29/2027	¥4,071.1 ¥3,257.2 ¥3,102.7	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: ¥6,092.5 Non-Stocked Lead-Time 29 Weeks	Mfr. Part # SFC37T20K291B-F Mouser Part # 598-SFC37T20K291B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 20uF 370V	Datasheet	Non-Stocked Lead-Time 29 Weeks	¥6,092.5 ¥4,390 ¥3,680.8	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 10uF 660V SFC66T10K291B-F Knowles / Illinois Capacitor 1: ¥6,580.9 64Expected 3/29/2027	Mfr. Part # SFC66T10K291B-F Mouser Part # 598-SFC66T10K291B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 10uF 660V	Datasheet	64Expected 3/29/2027	¥6,580.9 ¥5,084.3 ¥4,396.7	Min.: 1 Mult.: 1	Motor Run Capacitors	10 uF	660 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 50uF 440V SFD44T50K391B-F Knowles / Illinois Capacitor 1: ¥13,420.9 36On Order	Mfr. Part # SFD44T50K391B-F Mouser Part # 598-SFD44T50K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 50uF 440V	Datasheet	36On Order On Order Ship Dates Mfr. #: SFD44T50K391B-F Stock: 0 On Order: 12 Expected 3/29/2027 24 Expected 5/27/2027 Factory Lead-Time: 30 Weeks	¥13,420.9 ¥10,132.1 ¥9,472.7	Min.: 1 Mult.: 1	Motor Run Capacitors	50 uF	440 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 55uF 5% 660V SFT66C55J572J-F Knowles / Illinois Capacitor 1: ¥8,793.3 45Expected 11/23/2026	Mfr. Part # SFT66C55J572J-F Mouser Part # 598-SFT66C55J572J-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 55uF 5% 660V	Datasheet	45Expected 11/23/2026	¥8,793.3 ¥6,456.3 View ¥6,454.6 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 2uF 370V SFA37T2K219B-F Knowles / Illinois Capacitor 1: ¥2,760.6 13Expected 3/22/2027	Mfr. Part # SFA37T2K219B-F Mouser Part # 598-SFA37T2K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 2uF 370V	Datasheet	13Expected 3/22/2027	¥2,760.6 ¥2,250.7 ¥2,137.7 ¥1,974.9	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 370V 5uF SFA37T5K219B-F Knowles / Illinois Capacitor 1: ¥3,322 58Expected 12/14/2026	Mfr. Part # SFA37T5K219B-F Mouser Part # 598-SFA37T5K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 370V 5uF	Datasheet	58Expected 12/14/2026	¥3,322 ¥2,298.8 ¥2,096.2 ¥1,989.9 ¥1,830.4	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 4uF 440V SFA44T4K219B-F Knowles / Illinois Capacitor 1: ¥3,302.1 52Expected 3/3/2027	Mfr. Part # SFA44T4K219B-F Mouser Part # 598-SFA44T4K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 4uF 440V	Datasheet	52Expected 3/3/2027	¥3,302.1 ¥2,494.8 ¥2,165.9 ¥1,960	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 30uF 370V SFC37T30K291B-F Knowles / Illinois Capacitor 1: ¥4,204 40Expected 11/16/2026	Mfr. Part # SFC37T30K291B-F Mouser Part # 598-SFC37T30K291B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 30uF 370V	Datasheet	40Expected 11/16/2026	¥4,204 ¥3,255.6 ¥2,974.9 ¥2,739	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

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SF Series Motor Start Capacitors & Motor Run Capacitors

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