.hide-partial { max-height: none; } .show-more { display: none; }

SF Series Passive Components

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Passive Components

List Images

Results: 472

Applied Filters:

Series = SF

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Motor Start Capacitors & Motor Run Capacitors 4uF 660V

SFA66T4K288B-F
Knowles / Illinois Capacitor
1: £15.90
19In Stock
20Expected 15/12/2026

Mfr. Part No.
SFA66T4K288B-F

Mouser Part No
598-SFA66T4K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 4uF 660V

Datasheet

19In Stock

20Expected 15/12/2026

£15.90

£13.05

£9.36

£8.86

£8.01

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 5uF 440V

SFA44T5K219B-F
Knowles / Illinois Capacitor
1: £16.92
28In Stock

Mfr. Part No.
SFA44T5K219B-F

Mouser Part No
598-SFA44T5K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 5uF 440V

Datasheet

28In Stock

£16.92

£12.95

£10.44

£10.43

View

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

SFA66T2K156B-F
Knowles / Illinois Capacitor
1: £8.14
118In Stock

Mfr. Part No.
SFA66T2K156B-F

Mouser Part No
598-SFA66T2K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

Datasheet

118In Stock

£8.14

£6.41

£5.61

£4.95

£4.82

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 3uF 660V

SFA66T3K288B-F
Knowles / Illinois Capacitor
1: £14.23
56In Stock

Mfr. Part No.
SFA66T3K288B-F

Mouser Part No
598-SFA66T3K288B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 3uF 660V

Datasheet

56In Stock

£14.23

£11.87

£10.38

£9.30

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 25uF 370V

SFP37T25K284B-F
Knowles / Illinois Capacitor
1: £23.68
54In Stock

Mfr. Part No.
SFP37T25K284B-F

Mouser Part No
598-SFP37T25K284B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 25uF 370V

Datasheet

54In Stock

£23.68

£19.08

£15.61

£15.60

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 4uF 370V

SFA37T4K156B-F
Knowles / Illinois Capacitor
1: £10.12
116In Stock

Mfr. Part No.
SFA37T4K156B-F

Mouser Part No
598-SFA37T4K156B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 4uF 370V

Datasheet

116In Stock

£10.12

£7.50

£6.35

£5.88

View

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 35uF 660V

SFD66T35K475B-F
Knowles / Illinois Capacitor
1: £75.13
14In Stock

Mfr. Part No.
SFD66T35K475B-F

Mouser Part No
598-SFD66T35K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 660V

Datasheet

14In Stock

£75.13

£46.65

£46.64

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 50uF 440V

SFD44T50K391B-F
Knowles / Illinois Capacitor
1: £58.45
20In Stock

Mfr. Part No.
SFD44T50K391B-F

Mouser Part No
598-SFD44T50K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 440V

Datasheet

20In Stock

£58.45

£45.63

£42.81

£41.75

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 35uF 240 V 6% tol

SFP24T35H384B-F
Knowles / Illinois Capacitor
1: £15.19
21In Stock

Mfr. Part No.
SFP24T35H384B-F

Mouser Part No
598-SFP24T35H384B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 240 V 6% tol

Datasheet

21In Stock

£15.19

£11.63

View

Min.: 1
Mult.: 1

Signal Conditioning 3 V 611 MHz SM3838-8 50 Ohms + 5 C to +

SF2469D
RFMi
1: £1.63
2,386In Stock

Mfr. Part No.
SF2469D

Mouser Part No
198-SF2469D

RFMi

Signal Conditioning 3 V 611 MHz SM3838-8 50 Ohms + 5 C to +

Learn More

Datasheet

2,386In Stock

Cut Tape

£1.63

£1.34

£1.20

£1.10

Reel

£0.803

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 3V 1.57542 GHz 50 Ohms SMD/SMT SM-2016-4

SF1186H-3
RFMi
1: £1.97
1,650In Stock

Mfr. Part No.
SF1186H-3

Mouser Part No
198-SF1186H-3

RFMi

Signal Conditioning 3V 1.57542 GHz 50 Ohms SMD/SMT SM-2016-4

Learn More

Datasheet

1,650In Stock

Cut Tape

£1.97

£1.78

£1.62

£1.46

View

Reel

£0.705

Min.: 1
Mult.: 1

: 10,000

Signal Conditioning 50 Ohms 3 V 868 to 870 MHz 2.8 dB SM3030

SF2137E
RFMi
1: £1.41
1,970In Stock

Mfr. Part No.
SF2137E

Mouser Part No
198-SF2137E

RFMi

Signal Conditioning 50 Ohms 3 V 868 to 870 MHz 2.8 dB SM3030

Learn More

Datasheet

1,970In Stock

Cut Tape

£1.41

£1.27

£1.16

£1.07

Reel

£0.619

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 50 Ohms 3 V 1615 to1626.5 MHz 1.3 dB SM

SF2191E
RFMi
1: £1.58
1,840In Stock

Mfr. Part No.
SF2191E

Mouser Part No
198-SF2191E

RFMi

Signal Conditioning 50 Ohms 3 V 1615 to1626.5 MHz 1.3 dB SM

Learn More

Datasheet

1,840In Stock

Cut Tape

£1.58

£1.44

£1.43

£1.21

£1.05

Reel

£0.705

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 50 Ohms 10 V 69.9 MHz to 70.1 MHz 10.5 d

SF2229A
RFMi
1: £9.73
445In Stock

Mfr. Part No.
SF2229A

Mouser Part No
198-SF2229A

RFMi

Signal Conditioning 50 Ohms 10 V 69.9 MHz to 70.1 MHz 10.5 d

Learn More

Datasheet

445In Stock

Cut Tape

£9.73

£9.52

£9.13

£8.63

View

Reel

£4.64

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Signal Conditioning 50 Ohms 3 V 1625 to 1660 MHz 1.8 dB SM30

SF2236E
RFMi
1: £1.15
3,478In Stock

Mfr. Part No.
SF2236E

Mouser Part No
198-SF2236E

RFMi

Signal Conditioning 50 Ohms 3 V 1625 to 1660 MHz 1.8 dB SM30

Learn More

Datasheet

3,478In Stock

Cut Tape

£1.15

£0.899

£0.89

£0.773

Reel

£0.558

£0.519

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 10 V 71 MHz SM13365-10 Tuned - 40 C to +

SF1097A-1
RFMi
1: £9.39
962In Stock

Mfr. Part No.
SF1097A-1

Mouser Part No
198-SF1097A-1

RFMi

Signal Conditioning 10 V 71 MHz SM13365-10 Tuned - 40 C to +

Learn More

Datasheet

962In Stock

Cut Tape

£9.39

£7.94

£7.25

£6.38

View

Reel

£5.07

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Signal Conditioning 50 Ohms 30 V 155 to 175 MHz 9 dB SM3838-

SF2170D
RFMi
1: £1.17
2,689In Stock

Mfr. Part No.
SF2170D

Mouser Part No
198-SF2170D

RFMi

Signal Conditioning 50 Ohms 30 V 155 to 175 MHz 9 dB SM3838-

Learn More

Datasheet

2,689In Stock

Cut Tape

£1.17

£0.908

£0.811

£0.724

Reel

£0.592

View

Min.: 1
Mult.: 1

: 2,000

Signal Conditioning 50 Ohms 5 V 38.25 to 41.75 MHz 9.5 dB SM

SF2242B
RFMi
1: £3.38
855In Stock

Mfr. Part No.
SF2242B

Mouser Part No
198-SF2242B

RFMi

Signal Conditioning 50 Ohms 5 V 38.25 to 41.75 MHz 9.5 dB SM

Learn More

Datasheet

855In Stock

Cut Tape

£3.38

£2.81

£2.65

£2.53

View

Reel

£1.42

Min.: 1
Mult.: 1

: 2,000

Signal Conditioning 3V 1.223 GHz 50 Ohms SMD/SMT 54 MHz 5.0

SF2434E
RFMi
1: £1.31
2,120In Stock

Mfr. Part No.
SF2434E

Mouser Part No
198-SF2434E

RFMi

Signal Conditioning 3V 1.223 GHz 50 Ohms SMD/SMT 54 MHz 5.0

Learn More

Datasheet

2,120In Stock

Cut Tape

£1.31

£1.01

£0.908

£0.803

Reel

£0.552

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 3V 433.92 MHz 50 Ohms SMD/SMT SM3030-6 1

SF2176E
RFMi
1: £1.26
3,407In Stock

Mfr. Part No.
SF2176E

Mouser Part No
198-SF2176E

RFMi

Signal Conditioning 3V 433.92 MHz 50 Ohms SMD/SMT SM3030-6 1

Learn More

Datasheet

3,407In Stock

Cut Tape

£1.26

£1.07

£1.00

£0.89

Reel

£0.751

View

Min.: 1
Mult.: 1

: 500

Signal Conditioning 925MHz 0VDC 50Ohms 3.5dB 1156 to 1196 MH

SF2735K
RFMi
1: £0.691
2,981In Stock

Mfr. Part No.
SF2735K

Mouser Part No
198-SF2735K

RFMi

Signal Conditioning 925MHz 0VDC 50Ohms 3.5dB 1156 to 1196 MH

Learn More

Datasheet

2,981In Stock

Cut Tape

£0.691

£0.509

£0.438

£0.433

Reel

£0.335

£0.313

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 4V 1.57542 GHz 50 Ohms SMD/SMT 15.3 MHz

SF1186B-2
RFMi
1: £1.32
2,427In Stock

Mfr. Part No.
SF1186B-2

Mouser Part No
198-SF1186B-2

RFMi

Signal Conditioning 4V 1.57542 GHz 50 Ohms SMD/SMT 15.3 MHz

Learn More

Datasheet

2,427In Stock

Cut Tape

£1.32

£1.02

£0.917

£0.811

Reel

£0.603

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 4V 1.57542 GHz 50 Ohms SMD/SMT SM-3030-6

SF1186B-3
RFMi
1: £1.20
145In Stock

Mfr. Part No.
SF1186B-3

Mouser Part No
198-SF1186B-3

RFMi

Signal Conditioning 4V 1.57542 GHz 50 Ohms SMD/SMT SM-3030-6

Learn More

Datasheet

145In Stock

Cut Tape

£1.20

£1.01

£0.725

£0.493

Reel

£0.493

£0.481

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 50 Ohms 3 V 1574.42 to 1576.42 MHz 1.5 d

SF1186K-3
RFMi
1: £0.766
2,157In Stock

Mfr. Part No.
SF1186K-3

Mouser Part No
198-SF1186K-3

RFMi

Signal Conditioning 50 Ohms 3 V 1574.42 to 1576.42 MHz 1.5 d

Learn More

Datasheet

2,157In Stock

Cut Tape

£0.766

£0.683

£0.546

£0.372

Reel

£0.346

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Signal Conditioning 50 Ohms 3 V 1930 to 1990 MHz 4.0 dB SM30

SF2001E
RFMi
1: £1.18
1,254In Stock

Mfr. Part No.
SF2001E

Mouser Part No
198-SF2001E

RFMi

Signal Conditioning 50 Ohms 3 V 1930 to 1990 MHz 4.0 dB SM30

Learn More

Datasheet

1,254In Stock

Cut Tape

£1.18

£0.943

£0.882

£0.834

Reel

£0.482

View

Min.: 1
Mult.: 1

: 3,000

SF Series Passive Components

Types of Passive Components

Customer Service Office

Company

Resources

Support