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

Knowles Syfer Filters

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

Types of Filters

List Images

Results: 213

Applied Filters:

Brand = Knowles Syfer

Product Type

Product

Type

Minimum Operating Temperature

Maximum Operating Temperature

Termination Style

Packaging

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 #

Feed Through Capacitors 500V 3.3nF +/-20% Flange end seal

SFSWG5000332MX0
Knowles Syfer
1: $20.22
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000332MX0

Mouser Part No
843-SFSWG5000332MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 3.3nF +/-20% Flange end seal

Learn More

Datasheet

100Expected 23/09/2026

$20.22

$16.09

$14.44

$13.92

$13.05

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 47pF -20% +80% Flange end seal

SFSWG5000470ZC0
Knowles Syfer
1: $20.46
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000470ZC0

Mouser Part No
843-SFSWG5000470ZC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 47pF -20% +80% Flange end seal

Learn More

Datasheet

100Expected 23/09/2026

$20.46

$16.29

$14.62

$14.09

$13.22

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 470pF +/-20% Flange end seal

SFSWG5000471MC0
Knowles Syfer
1: $20.69
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000471MC0

Mouser Part No
843-SFSWG5000471MC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 470pF +/-20% Flange end seal

Learn More

Datasheet

100Expected 23/09/2026

$20.69

$16.48

$14.80

$14.27

$13.39

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 4.7nF +/-20% Flange end seal

SFSWG5000472MX0
Knowles Syfer
1: $20.22
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000472MX0

Mouser Part No
843-SFSWG5000472MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 4.7nF +/-20% Flange end seal

Learn More

Datasheet

100Expected 23/09/2026

$20.22

$16.09

$14.44

$13.92

$13.05

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 68pF -20% +80% Flange end seal

SFSWG5000680ZC0
Knowles Syfer
1: $20.46
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000680ZC0

Mouser Part No
843-SFSWG5000680ZC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 68pF -20% +80% Flange end seal

Learn More

Datasheet

100Expected 23/09/2026

$20.46

$16.29

$14.62

$14.09

$13.22

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 680pF +/-20% Flange end seal

SFSWG5000681MX0
Knowles Syfer
1: $20.22
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000681MX0

Mouser Part No
843-SFSWG5000681MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 680pF +/-20% Flange end seal

Learn More

Datasheet

100Expected 23/09/2026

$20.22

$16.09

$14.44

$13.92

$13.05

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 6.8nF +/-20% Flange end seal

SFSWG5000682MX0
Knowles Syfer
1: $20.27
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000682MX0

Mouser Part No
843-SFSWG5000682MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 6.8nF +/-20% Flange end seal

Learn More

Datasheet

100Expected 23/09/2026

$20.27

$16.13

$14.47

$13.95

$13.08

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 100V 33nF +/-20% Bottom end seal

SFSWR1000333MX0
Knowles Syfer
1: $24.29
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR1000333MX0

Mouser Part No
843-SFSWR1000333MX0

New Product

Knowles Syfer

Feed Through Capacitors 100V 33nF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.29

$18.59

$16.62

$13.64

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 200V 15nF +/-20% Bottom end seal

SFSWR2000153MX0
Knowles Syfer
1: $24.23
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR2000153MX0

Mouser Part No
843-SFSWR2000153MX0

New Product

Knowles Syfer

Feed Through Capacitors 200V 15nF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.23

$18.54

$16.58

$13.61

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 200V 22nF +/-20% Bottom end seal

SFSWR2000223MX0
Knowles Syfer
1: $24.23
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR2000223MX0

Mouser Part No
843-SFSWR2000223MX0

New Product

Knowles Syfer

Feed Through Capacitors 200V 22nF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.23

$18.54

$16.58

$13.61

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 10pF -20% +80% Bottom end seal

SFSWR5000100ZC0
Knowles Syfer
1: $24.36
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000100ZC0

Mouser Part No
843-SFSWR5000100ZC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 10pF -20% +80% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.36

$18.64

$16.67

$13.68

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 100pF +/-20% Bottom end seal

SFSWR5000101MC0
Knowles Syfer
1: $24.42
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000101MC0

Mouser Part No
843-SFSWR5000101MC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 100pF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.42

$18.69

$16.71

$13.71

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 1.0nF +/-20% Bottom end seal

SFSWR5000102MX0
Knowles Syfer
1: $24.16
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000102MX0

Mouser Part No
843-SFSWR5000102MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 1.0nF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.16

$18.49

$16.53

$13.58

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 10nF +/-20% Bottom end seal

SFSWR5000103MX0
Knowles Syfer
1: $24.23
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000103MX0

Mouser Part No
843-SFSWR5000103MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 10nF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.23

$18.54

$16.58

$13.61

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 150pF +/-20% Bottom end seal

SFSWR5000151MC0
Knowles Syfer
1: $24.49
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000151MC0

Mouser Part No
843-SFSWR5000151MC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 150pF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.49

$18.74

$16.76

$13.74

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 1.5nF +/-20% Bottom end seal

SFSWR5000152MX0
Knowles Syfer
1: $24.16
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000152MX0

Mouser Part No
843-SFSWR5000152MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 1.5nF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.16

$18.49

$16.53

$13.58

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 22pF -20% +80% Bottom end seal

SFSWR5000220ZC0
Knowles Syfer
1: $24.36
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000220ZC0

Mouser Part No
843-SFSWR5000220ZC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 22pF -20% +80% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.36

$18.64

$16.67

$13.68

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 220pF +/-20% Bottom end seal

SFSWR5000221MC0
Knowles Syfer
1: $24.69
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000221MC0

Mouser Part No
843-SFSWR5000221MC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 220pF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.69

$18.89

$16.89

$13.85

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 2.2nF +/-20% Bottom end seal

SFSWR5000222MX0
Knowles Syfer
1: $24.16
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000222MX0

Mouser Part No
843-SFSWR5000222MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 2.2nF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.16

$18.49

$16.53

$13.58

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 33pF -20% +80% Bottom end seal

SFSWR5000330ZC0
Knowles Syfer
1: $24.42
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000330ZC0

Mouser Part No
843-SFSWR5000330ZC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 33pF -20% +80% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.42

$18.69

$16.71

$13.71

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 330pF +/-20% Bottom end seal

SFSWR5000331MC0
Knowles Syfer
1: $24.62
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000331MC0

Mouser Part No
843-SFSWR5000331MC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 330pF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.62

$18.84

$16.85

$14.04

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 3.3nF +/-20% Bottom end seal

SFSWR5000332MX0
Knowles Syfer
1: $24.16
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000332MX0

Mouser Part No
843-SFSWR5000332MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 3.3nF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.16

$18.49

$16.53

$13.58

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 47pF -20% +80% Bottom end seal

SFSWR5000470ZC0
Knowles Syfer
1: $24.49
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000470ZC0

Mouser Part No
843-SFSWR5000470ZC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 47pF -20% +80% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.49

$18.74

$16.76

$13.74

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 470pF +/-20% Bottom end seal

SFSWR5000471MC0
Knowles Syfer
1: $24.82
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000471MC0

Mouser Part No
843-SFSWR5000471MC0

New Product

Knowles Syfer

Feed Through Capacitors 500V 470pF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$24.82

$18.99

$16.98

$13.91

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Feed Through Capacitors 500V 4.7nF +/-20% Bottom end seal

SFSWR5000472MX0
Knowles Syfer
1: $20.22
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWR5000472MX0

Mouser Part No
843-SFSWR5000472MX0

New Product

Knowles Syfer

Feed Through Capacitors 500V 4.7nF +/-20% Bottom end seal

Learn More

Datasheet

100Expected 23/09/2026

$20.22

$16.09

$14.44

$14.43

View

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

C-Filter

- 55 C

+ 125 C

Solder

Bulk

Knowles Syfer Filters

Types of Filters

Customer Service Office

Company

Resources

Support