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SF Series Passive Components

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Motor Start Capacitors & Motor Run Capacitors 3uF 660V SFA66T3K288B-F Knowles / Illinois Capacitor 1: $19.49 46In Stock	Mfr. Part No. SFA66T3K288B-F Mouser Part No 598-SFA66T3K288B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 3uF 660V	Datasheet	46In Stock	$19.49 $16.05 $12.41 $12.40 View $10.45 $10.29	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 4uF 660V SFA66T4K288B-F Knowles / Illinois Capacitor 1: $20.77 38In Stock	Mfr. Part No. SFA66T4K288B-F Mouser Part No 598-SFA66T4K288B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 4uF 660V	Datasheet	38In Stock	$20.77 $17.46 $12.46 $11.80 $10.68	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 5uF 660V SFA66T5K388B-F Knowles / Illinois Capacitor 1: $33.63 20In Stock	Mfr. Part No. SFA66T5K388B-F Mouser Part No 598-SFA66T5K388B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 5uF 660V	Datasheet	20In Stock	$33.63 $31.10 $24.01	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 25uF 370V SFC37T25K291B-F Knowles / Illinois Capacitor 1: $26.97 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	$26.97 $24.27 $23.85 $22.01 View $20.46 Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 40uF 370V SFC37T40K391B-F Knowles / Illinois Capacitor 1: $44.71 4In Stock	Mfr. Part No. SFC37T40K391B-F Mouser Part No 598-SFC37T40K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 40uF 370V	Datasheet	4In Stock	$44.71 $32.95 $30.11 $29.29 View Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 10uF 660V SFC66T10K291B-F Knowles / Illinois Capacitor 1: $40.42 5In Stock 64Expected 26/01/2027	Mfr. Part No. SFC66T10K291B-F Mouser Part No 598-SFC66T10K291B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 10uF 660V	Datasheet	5In Stock 64Expected 26/01/2027	$40.42 $29.87 $26.47 $25.37 View Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 12uF 660V SFC66T12K391B-F Knowles / Illinois Capacitor 1: $49.79 33In Stock	Mfr. Part No. SFC66T12K391B-F Mouser Part No 598-SFC66T12K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 12uF 660V	Datasheet	33In Stock	$49.79 $39.43 $33.11 $32.53 Quote Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 15uF 660V SFC66T15K391B-F Knowles / Illinois Capacitor 1: $50.69 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	$50.69 $39.57 $35.00 $33.56	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 18uF 660V SFC66T18K391B-F Knowles / Illinois Capacitor 1: $51.65 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	$51.65 $36.99 $35.36 $34.01 View Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 25uF 660V SFD66T25K391B-F Knowles / Illinois Capacitor 1: $70.10 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	$70.10 $56.29 $52.00 $49.86 View Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 20uF 370V SFP37T20K238B-F Knowles / Illinois Capacitor 1: $20.92 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	$20.92 $16.01 $14.31 $12.95 View $12.44 Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 20uF 440V SFP44T20K284B-F Knowles / Illinois Capacitor 1: $33.07 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	$33.07 $25.15 $21.32 $20.44 $19.35	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 50uF 370V SFS37T50K384B-F Knowles / Illinois Capacitor 1: $46.31 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	$46.31 $34.53 $32.57 $31.34 View Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 35uF 440V SFT44T35K291B-F Knowles / Illinois Capacitor 1: $54.07 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	$54.07 $39.54 $37.73 $36.24 View Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 5uF 370V SFP37T5K238B-F Knowles / Illinois Capacitor 1: $21.71 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	$21.71 $16.61 $13.40 $13.39 View $12.76 Quote	Min.: 1 Mult.: 1
Signal Conditioning 50 Ohms 5 V 902 MHz to 928 MHz 2.2 dB SM SF2049E RFMi 1: $1.42 2,990Expected 19/10/2026	Mfr. Part No. SF2049E Mouser Part No 198-SF2049E	RFMi	Signal Conditioning 50 Ohms 5 V 902 MHz to 928 MHz 2.2 dB SM Learn More about RFMi signal conditioning	Datasheet	2,990Expected 19/10/2026	Cut Tape $1.42 $1.11 $0.985 $0.887 Reel $0.747 View $0.882 $0.881 $0.811 $0.714 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Signal Conditioning 3V 1.583 GHz 50 Ohms SMD/SMT SM-2016-4 4 SF2316H RFMi 1: $1.20 9,998Expected 19/10/2026	Mfr. Part No. SF2316H Mouser Part No 198-SF2316H	RFMi	Signal Conditioning 3V 1.583 GHz 50 Ohms SMD/SMT SM-2016-4 4 Learn More about RFMi signal conditioning	Datasheet	9,998Expected 19/10/2026	Cut Tape $1.20 $0.933 $0.834 $0.798 View Reel $0.532 $0.717 $0.561 $0.532 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Signal Conditioning 3V 1.542 GHz 50 Ohms SMD/SMT SM2016-4 34 SF2467H RFMi 1: $1.32 9,998Expected 09/11/2026	Mfr. Part No. SF2467H Mouser Part No 198-SF2467H	RFMi	Signal Conditioning 3V 1.542 GHz 50 Ohms SMD/SMT SM2016-4 34 Learn More about RFMi signal conditioning	Datasheet	9,998Expected 09/11/2026	Cut Tape $1.32 $1.20 $0.846 $0.844 $0.468 Reel $0.457 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Motor Start Capacitors & Motor Run Capacitors 20uF 660V 10% SFT66T20K391B-F Knowles / Illinois Capacitor 1: $26.11 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	$26.11 $22.95 $21.84 $21.63 View $20.31 Quote	Min.: 1 Mult.: 1
Signal Conditioning 30V 137.5 MHz 50 Ohms SMD/SMT SMP03-10 0 SF2059B-1 RFMi 1: $4.61 1,579Expected 10/12/2026	Mfr. Part No. SF2059B-1 Mouser Part No 198-SF2059B-1	RFMi	Signal Conditioning 30V 137.5 MHz 50 Ohms SMD/SMT SMP03-10 0 Learn More about RFMi signal conditioning	Datasheet	1,579Expected 10/12/2026	Cut Tape $4.61 $3.82 $3.64 $3.39 View Reel $2.00 $3.10 $2.87 $2.69 $2.00	Min.: 1 Mult.: 1 : 2,000
Signal Conditioning 5V 2.4418 GHz 50 Ohms SMD/SMT SM3030-6 8 SF2124E RFMi 1: $1.88 5,995Expected 20/10/2026	Mfr. Part No. SF2124E Mouser Part No 198-SF2124E	RFMi	Signal Conditioning 5V 2.4418 GHz 50 Ohms SMD/SMT SM3030-6 8 Learn More about RFMi signal conditioning	Datasheet	5,995Expected 20/10/2026	Cut Tape $1.88 $1.67 $1.55 $1.42 Reel $0.948 View $1.37 $1.20 $1.10 $0.903	Min.: 1 Mult.: 1 : 3,000
Signal Conditioning 50 Ohms 30 V 169.32 MHz to 199.32 MHz 8. SF2223D RFMi 1: $2.52 2,689Expected 20/10/2026	Mfr. Part No. SF2223D Mouser Part No 198-SF2223D	RFMi	Signal Conditioning 50 Ohms 30 V 169.32 MHz to 199.32 MHz 8. Learn More about RFMi signal conditioning	Datasheet	2,689Expected 20/10/2026	Cut Tape $2.52 $2.21 $2.10 $1.94 Reel $1.19 View $1.72 $1.65 $1.56 $1.16	Min.: 1 Mult.: 1 : 3,000
Signal Conditioning 3V 1.5824 GHz 50 Ohms SMD/SMT 46 MHz 2 d SF2353E RFMi 1: $1.95 3,000Expected 24/11/2026	Mfr. Part No. SF2353E Mouser Part No 198-SF2353E	RFMi	Signal Conditioning 3V 1.5824 GHz 50 Ohms SMD/SMT 46 MHz 2 d Learn More about RFMi signal conditioning	Datasheet	3,000Expected 24/11/2026	Cut Tape $1.95 $1.62 $1.54 $1.47 Reel $0.851 View $1.42 $1.26 $0.83 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Signal Conditioning 7.5V 1.17645 GHz 50 Ohms SMD/SMT 20 MHz SF2388E RFMi 1: $1.64 2,900Expected 15/10/2026	Mfr. Part No. SF2388E Mouser Part No 198-SF2388E	RFMi	Signal Conditioning 7.5V 1.17645 GHz 50 Ohms SMD/SMT 20 MHz Learn More about RFMi signal conditioning	Datasheet	2,900Expected 15/10/2026	Cut Tape $1.64 $1.31 $1.23 $1.16 Reel $0.672 View $1.12 $0.987 $0.899 $0.655	Min.: 1 Mult.: 1 : 3,000
Signal Conditioning 3V 897.5 MHz 50 Ohms SMD/SMT 35 MHz 3.5 SF2391E RFMi 1: $1.57 2,989On Order	Mfr. Part No. SF2391E Mouser Part No 198-SF2391E	RFMi	Signal Conditioning 3V 897.5 MHz 50 Ohms SMD/SMT 35 MHz 3.5 Learn More about RFMi signal conditioning	Datasheet	2,989On Order	Cut Tape $1.57 $1.25 $1.18 $1.11 Reel $0.642 View $1.07 $0.944 $0.861 $0.626	Min.: 1 Mult.: 1 : 3,000

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