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SF Series Passive Components

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Part #

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

SFA66T2K219B-F
Knowles / Illinois Capacitor
1: $14.41
40In Stock
63Expected 11/30/2026

Mfr. Part #
SFA66T2K219B-F

Mouser Part #
598-SFA66T2K219B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 2uF 660V

Datasheet

40In Stock

63Expected 11/30/2026

$14.41

$10.47

$10.18

$10.17

View

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 6uF 660V

SFA66T6K388B-F
Knowles / Illinois Capacitor
1: $20.94
14In Stock
25On Order

Mfr. Part #
SFA66T6K388B-F

Mouser Part #
598-SFA66T6K388B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 6uF 660V

Datasheet

14In Stock

25On Order

$20.94

$17.46

$13.39

$12.70

$11.51

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 40uF 370V

SFC37T40K391B-F
Knowles / Illinois Capacitor
1: $43.20
5In Stock

Mfr. Part #
SFC37T40K391B-F

Mouser Part #
598-SFC37T40K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 40uF 370V

Datasheet

5In Stock

$43.20

$36.25

$31.72

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Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

SFC66T10K291B-F
Knowles / Illinois Capacitor
1: $34.39
45In Stock

Mfr. Part #
SFC66T10K291B-F

Mouser Part #
598-SFC66T10K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 10uF 660V

Datasheet

45In Stock

$34.39

$28.96

$26.13

$23.62

View

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 12uF 660V

SFC66T12K391B-F
Knowles / Illinois Capacitor
1: $50.08
22In Stock
14Expected 8/26/2026

Mfr. Part #
SFC66T12K391B-F

Mouser Part #
598-SFC66T12K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12uF 660V

Datasheet

22In Stock

14Expected 8/26/2026

$50.08

$40.80

$33.69

$32.53

Quote

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 15uF 660V

SFC66T15K391B-F
Knowles / Illinois Capacitor
1: $47.70
12In Stock

Mfr. Part #
SFC66T15K391B-F

Mouser Part #
598-SFC66T15K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 15uF 660V

Datasheet

12In Stock

$47.70

$39.31

$37.31

$34.55

View

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 18uF 660V

SFC66T18K391B-F
Knowles / Illinois Capacitor
1: $55.96
27In Stock

Mfr. Part #
SFC66T18K391B-F

Mouser Part #
598-SFC66T18K391B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 18uF 660V

Datasheet

27In Stock

$55.96

$44.33

$43.07

$42.04

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 12.5uF 370V

SFP37T12.5K238B-F
Knowles / Illinois Capacitor
1: $24.23
13In Stock

Mfr. Part #
SFP37T12.5K238B-F

Mouser Part #
598-SFP37T12.5K238BF

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 12.5uF 370V

Datasheet

13In Stock

$24.23

$19.40

$16.92

$16.18

$15.26

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 20uF 370V

SFP37T20K238B-F
Knowles / Illinois Capacitor
1: $20.92
60In Stock

Mfr. Part #
SFP37T20K238B-F

Mouser Part #
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

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

SFP37T30K284B-F
Knowles / Illinois Capacitor
1: $45.76
5In Stock

Mfr. Part #
SFP37T30K284B-F

Mouser Part #
598-SFP37T30K284B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 30uF 370V

Datasheet

5In Stock

$45.76

$36.73

$30.01

$29.46

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 20uF 440V

SFP44T20K284B-F
Knowles / Illinois Capacitor
1: $33.92
49In Stock

Mfr. Part #
SFP44T20K284B-F

Mouser Part #
598-SFP44T20K284B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 20uF 440V

Datasheet

49In Stock

$33.92

$26.28

$24.01

$22.10

$20.64

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

SFS37T50K384B-F
Knowles / Illinois Capacitor
1: $47.79
5In Stock
84Expected 1/5/2027

Mfr. Part #
SFS37T50K384B-F

Mouser Part #
598-SFS37T50K384B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 50uF 370V

Datasheet

5In Stock

84Expected 1/5/2027

$47.79

$38.07

$38.06

$34.98

View

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 35uF 440V

SFT44T35K291B-F
Knowles / Illinois Capacitor
1: $55.13
15In Stock

Mfr. Part #
SFT44T35K291B-F

Mouser Part #
598-SFT44T35K291B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 35uF 440V

Datasheet

15In Stock

$55.13

$43.12

$43.11

$40.53

View

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 40uF 10% 660V 4.75 2 1/2 Round

SFT66T40K475B-F
Knowles / Illinois Capacitor
1: $40.30
20In Stock

Mfr. Part #
SFT66T40K475B-F

Mouser Part #
598-SFT66T40K475B-F

Knowles / Illinois Capacitor

Motor Start Capacitors & Motor Run Capacitors 40uF 10% 660V 4.75 2 1/2 Round

Datasheet

20In Stock

$40.30

$32.11

View

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 25uF 370V

SFC37T25K291B-F
Knowles / Illinois Capacitor
1: $33.67
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

$33.67

$26.82

$24.89

$23.22

$21.68

Min.: 1
Mult.: 1

Motor Start Capacitors & Motor Run Capacitors 5uF 370V

SFP37T5K238B-F
Knowles / Illinois Capacitor
1: $21.70
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

$21.70

$16.60

$14.84

$13.43

View

Min.: 1
Mult.: 1

Signal Conditioning 50 Ohms 3 V 459.2 to 461.2 MHz 1.5 dB SM

SF2271C
RFMi
1: $4.47
A tariff of 8% may be applied if shipping to the United States.
1,973Expected 9/2/2026

Mfr. Part #
SF2271C

Mouser Part #
198-SF2271C

RFMi

Signal Conditioning 50 Ohms 3 V 459.2 to 461.2 MHz 1.5 dB SM

Learn More

Datasheet

1,973Expected 9/2/2026

Cut Tape

$4.47

$3.65

$3.30

$2.99

Reel

$1.82

View

A tariff of 8% may be applied if shipping to the United States.

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
A tariff of 8% may be applied if shipping to the United States.
9,998Expected 10/19/2026

Mfr. Part #
SF2316H

Mouser Part #
198-SF2316H

RFMi

Signal Conditioning 3V 1.583 GHz 50 Ohms SMD/SMT SM-2016-4 4

Learn More

Datasheet

9,998Expected 10/19/2026

Cut Tape

$1.20

$0.933

$0.834

$0.798

View

Reel

$0.532

MouseReel Available

A tariff of 8% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

: 10,000

Power Line Filters FILTER 15AMP

SF15
Astrodyne TDI
1: $166.00
A tariff of 30% may be applied if shipping to the United States.
19Expected 11/3/2026

Mfr. Part #
SF15

Mouser Part #
446-SF15

Astrodyne TDI

Power Line Filters FILTER 15AMP

Datasheet

19Expected 11/3/2026

$166.00

$154.54

$143.88

$133.95

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

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

SF1186B-2
RFMi
1: $1.75
A tariff of 8% may be applied if shipping to the United States.
427In Stock
2,000Expected 9/2/2026

Mfr. Part #
SF1186B-2

Mouser Part #
198-SF1186B-2

RFMi

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

Learn More

Datasheet

427In Stock

2,000Expected 9/2/2026

Cut Tape

$1.75

$1.36

$1.22

$1.08

Reel

$0.803

View

MouseReel Available

A tariff of 8% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 50 Ohms 5 V 902 MHz to 928 MHz 2.2 dB SM

SF2049E
RFMi
1: $1.42
A tariff of 30% may be applied if shipping to the United States.
2,990Expected 10/19/2026

Mfr. Part #
SF2049E

Mouser Part #
198-SF2049E

RFMi

Signal Conditioning 50 Ohms 5 V 902 MHz to 928 MHz 2.2 dB SM

Learn More

Datasheet

2,990Expected 10/19/2026

Cut Tape

$1.42

$1.11

$0.985

$0.887

Reel

$0.747

View

MouseReel Available

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 30V 137.5 MHz 50 Ohms SMD/SMT SMP03-10 0

SF2059B-1
RFMi
1: $4.61
A tariff of 8% may be applied if shipping to the United States.
4,079On Order

Mfr. Part #
SF2059B-1

Mouser Part #
198-SF2059B-1

RFMi

Signal Conditioning 30V 137.5 MHz 50 Ohms SMD/SMT SMP03-10 0

Learn More

Datasheet

4,079On Order

Cut Tape

$4.61

$3.82

$3.64

$3.39

View

Reel

$2.00

A tariff of 8% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

: 2,000

Signal Conditioning 5V 2.4418 GHz 50 Ohms SMD/SMT SM3030-6 8

SF2124E
RFMi
1: $1.88
A tariff of 8% may be applied if shipping to the United States.
6,000Expected 10/20/2026

Mfr. Part #
SF2124E

Mouser Part #
198-SF2124E

RFMi

Signal Conditioning 5V 2.4418 GHz 50 Ohms SMD/SMT SM3030-6 8

Learn More

Datasheet

6,000Expected 10/20/2026

Cut Tape

$1.88

$1.67

$1.55

$1.42

Reel

$0.948

View

A tariff of 8% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

: 3,000

Signal Conditioning 50 Ohms 3 V 2615 to 2685 MHz 2 dB SM3030

SF2161E
RFMi
1: $2.43
A tariff of 8% may be applied if shipping to the United States.
2,988Expected 9/2/2026

Mfr. Part #
SF2161E

Mouser Part #
198-SF2161E

RFMi

Signal Conditioning 50 Ohms 3 V 2615 to 2685 MHz 2 dB SM3030

Learn More

Datasheet

2,988Expected 9/2/2026

Cut Tape

$2.43

$1.88

$1.83

$1.74

View

Reel

$0.94

A tariff of 8% may be applied if shipping to the United States.

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
A tariff of 8% may be applied if shipping to the United States.
2,689Expected 10/20/2026

Mfr. Part #
SF2223D

Mouser Part #
198-SF2223D

RFMi

Signal Conditioning 50 Ohms 30 V 169.32 MHz to 199.32 MHz 8.

Learn More

Datasheet

2,689Expected 10/20/2026

Cut Tape

$2.52

$2.21

$2.10

$1.94

Reel

$1.19

View

A tariff of 8% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

: 3,000

SF Series Passive Components

Types of Passive Components

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