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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 2uF 660V SFA66T2K219B-F Knowles / Illinois Capacitor 1: $17.67 39In Stock 63Expected 2026/11/30	Mfr. Part No. SFA66T2K219B-F Mouser Part No 598-SFA66T2K219B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 2uF 660V	Datasheet	39In Stock 63Expected 2026/11/30	$17.67 $13.57 $12.90 $12.36 $10.06	Min.: 1 Mult.: 1
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 $12.39	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 $17.47 $12.47 $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 $31.11 $24.02	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 $22.02 View $20.47 Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 40uF 370V SFC37T40K391B-F Knowles / Illinois Capacitor 1: $44.72 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	$44.72 $32.96 $30.11 $29.30 View Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 10uF 660V SFC66T10K291B-F Knowles / Illinois Capacitor 1: $40.43 5In Stock 64Expected 2027/01/26	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 2027/01/26	$40.43 $29.88 $26.47 $25.38 View $23.97 Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 12uF 660V SFC66T12K391B-F Knowles / Illinois Capacitor 1: $49.80 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	$49.80 $39.44 $33.11 $32.54 Quote Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 15uF 660V SFC66T15K391B-F Knowles / Illinois Capacitor 1: $50.70 8In Stock	Mfr. Part No. SFC66T15K391B-F Mouser Part No 598-SFC66T15K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 15uF 660V	Datasheet	8In Stock	$50.70 $39.58 $35.01 $33.56	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 18uF 660V SFC66T18K391B-F Knowles / Illinois Capacitor 1: $51.66 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	$51.66 $37.00 $35.37 $34.02 View Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 50uF 440V SFD44T50K391B-F Knowles / Illinois Capacitor 1: $69.20 Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. SFD44T50K391B-F Mouser Part No 598-SFD44T50K391B-F	Knowles / Illinois Capacitor	Motor Start Capacitors & Motor Run Capacitors 50uF 440V	Datasheet	Non-Stocked Lead-Time 20 Weeks	$69.20 $57.05 $56.16 $53.56	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 25uF 660V SFD66T25K391B-F Knowles / Illinois Capacitor 1: $70.12 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 2026/10/12 100 Expected 2026/11/02 Factory Lead Time: 20 Weeks	$70.12 $56.30 $52.01 $49.87 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 $14.32 $12.96 View $12.44 $11.98	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 20uF 440V SFP44T20K284B-F Knowles / Illinois Capacitor 1: $33.08 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	$33.08 $25.16 $21.33 $20.45 $19.35	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 50uF 370V SFS37T50K384B-F Knowles / Illinois Capacitor 1: $46.32 5In Stock 84Expected 2027/01/05	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 2027/01/05	$46.32 $34.54 $32.58 $31.34 View Quote	Min.: 1 Mult.: 1
Motor Start Capacitors & Motor Run Capacitors 35uF 440V SFT44T35K291B-F Knowles / Illinois Capacitor 1: $54.08 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	$54.08 $39.54 $37.74 $36.25 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 $12.76 View $12.58 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 2026/10/19	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 2026/10/19	Cut Tape $1.42 $1.11 $0.985 $0.887 Reel $0.747 View $0.883 $0.882 $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 2026/10/19	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 2026/10/19	Cut Tape $1.20 $0.933 $0.834 $0.798 View Reel $0.533 $0.718 $0.561 $0.533 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Signal Conditioning 3V 1.542 GHz 50 Ohms SMD/SMT SM2016-4 34 SF2467H RFMi 1: $1.33 9,998Expected 2026/11/09	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 2026/11/09	Cut Tape $1.33 $1.20 $0.847 $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 $22.96 $21.84 $21.63 View $20.32 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 2026/12/10	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 2026/12/10	Cut Tape $4.61 $3.83 $3.64 $3.40 View Reel $2.00 $3.11 $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 2026/10/20	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 2026/10/20	Cut Tape $1.88 $1.67 $1.55 $1.42 Reel $0.948 View $1.37 $1.20 $1.10 $0.904	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 2026/10/20	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 2026/10/20	Cut Tape $2.52 $2.21 $2.11 $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 2026/11/24	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 2026/11/24	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

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