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

Knowles Syfer EMI Filters / EMI Suppression

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

Types of EMI Filters / EMI Suppression

List Images

Results: 211

Applied Filters:

Brand = Knowles Syfer

Cutoff Frequency

Product Type

Product

Circuit Type

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

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 #

EMI Feedthrough Filters

SFBCC5000152MX0
Knowles Syfer
1: Rp298.673
36In Stock
Factory Special Order

Mfr. Part No.
SFBCC5000152MX0

Mouser Part No
843-SFBCC5000152MX0

Factory Special Order

Knowles Syfer

EMI Feedthrough Filters

Datasheet

36In Stock

Rp298.673

Rp282.895

Rp269.319

View

Min.: 1
Mult.: 1

EMI Feedthrough Filters

Feedthrough Capacitors

C Filter

- 55 C

+ 125 C

Bulk

EMI Feedthrough Filters

SFCDC5000473MX0
Knowles Syfer
1: Rp451.679
19In Stock

Mfr. Part No.
SFCDC5000473MX0

Mouser Part No
843-SFCDC5000473MX0

Knowles Syfer

EMI Feedthrough Filters

Learn More

Datasheet

19In Stock

Rp451.679

Rp428.012

View

Min.: 1
Mult.: 1

EMI Feedthrough Filters

Feedthrough Capacitors

C Filter

- 55 C

+ 125 C

Bulk

EMI Feedthrough Filters

SFCMC2000224MX1
Knowles Syfer
1: Rp567.258
50In Stock

Mfr. Part No.
SFCMC2000224MX1

Mouser Part No
843-SFCMC2000224MX1

Knowles Syfer

EMI Feedthrough Filters

50In Stock

Rp567.258

Rp537.538

Rp487.820

Rp462.870

View

Min.: 1
Mult.: 1

EMI Feedthrough Filters

SFKKL5000471MX0
Knowles Syfer
1: Rp286.198
38In Stock

Mfr. Part No.
SFKKL5000471MX0

Mouser Part No
843-SFKKL5000471MX0

Knowles Syfer

EMI Feedthrough Filters

Datasheet

38In Stock

Rp286.198

Rp271.154

Rp258.128

View

Min.: 1
Mult.: 1

EMI Feedthrough Filters

Feedthrough Capacitors

LC Filter

- 55 C

+ 125 C

Bulk

EMI Filter Circuits .047 UF 500V 28MHZ

SBSGC5000473MXT
Knowles Syfer
1: Rp181.625
971Expected 23/09/2026

Mfr. Part No.
SBSGC5000473MXT

Mouser Part No
843-SBSGC5000473MXT

Knowles Syfer

EMI Filter Circuits .047 UF 500V 28MHZ

Datasheet

971Expected 23/09/2026

Cut Tape

Rp181.625

Rp137.962

Rp137.045

Rp120.533

Reel

Rp106.040

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

EMI Filter Circuits

EMI Network Filters

C Filter

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

EMI Filter Circuits 100V .15uF 20% X7R 5.25x3.2mm Pi Filter

SBSGP1000154MXT
Knowles Syfer
1: Rp215.566
1.000On Order

Mfr. Part No.
SBSGP1000154MXT

Mouser Part No
843-SBSGP1000154MX

Knowles Syfer

EMI Filter Circuits 100V .15uF 20% X7R 5.25x3.2mm Pi Filter

Learn More

Datasheet

1.000On Order

Cut Tape

Rp215.566

Rp183.643

Rp142.548

Rp135.760

View

Reel

Rp105.673

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

EMI Filter Circuits

EMI Network Filters

Pi Filter

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

EMI Filter Circuits 500V 4700 pF X7R 20% 5.25x3.2mm Pi Filte

SBSGP5000472MXT
Knowles Syfer
1: Rp188.780
1.743On Order

Mfr. Part No.
SBSGP5000472MXT

Mouser Part No
843-SBSGP5000472MX

Knowles Syfer

EMI Filter Circuits 500V 4700 pF X7R 20% 5.25x3.2mm Pi Filte

Learn More

Datasheet

1.743On Order

Cut Tape

Rp188.780

Rp143.833

Rp143.099

Rp125.854

Reel

Rp109.159

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

EMI Filter Circuits

EMI Network Filters

Pi Filter

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

EMI Filter Circuits 100V .33uF X7R 20% 6.6x5mm C Filter

SBSMC1000334MXB
Knowles Syfer
1: Rp286.931
500Expected 29/04/2026

Mfr. Part No.
SBSMC1000334MXB

Mouser Part No
843-SBSMC1000334MX

Knowles Syfer

EMI Filter Circuits 100V .33uF X7R 20% 6.6x5mm C Filter

Datasheet

500Expected 29/04/2026

Rp286.931

Rp233.912

Rp215.749

Rp203.090

View

Min.: 1
Mult.: 1

EMI Filter Circuits

EMI Network Filters

C Filter

- 55 C

+ 125 C

Bulk

EMI Filter Circuits 150 nF 0.05 20% C Filter

SBSMC2000154MXT
Knowles Syfer
1: Rp301.608
460Expected 15/07/2026

Mfr. Part No.
SBSMC2000154MXT

Mouser Part No
843-SBSMC2000154MX

Knowles Syfer

EMI Filter Circuits 150 nF 0.05 20% C Filter

Datasheet

460Expected 15/07/2026

Cut Tape

Rp301.608

Rp274.089

Rp239.782

Rp226.206

View

Reel

Rp184.928

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

EMI Filter Circuits

EMI Network Filters

C Filter

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

EMI Feedthrough Filters 0805 100V 1.00 nF 20% X7R (2R1) AEC-Q200 FlexiCap/Nickel Barrier, X2Y capacitor

0805Y1000102METE03
Knowles Syfer
1: Rp19.080
5.300Expected 22/04/2026

Mfr. Part No.
0805Y1000102METE03

Mouser Part No
843-05Y1000102METE03

Knowles Syfer

EMI Feedthrough Filters 0805 100V 1.00 nF 20% X7R (2R1) AEC-Q200 FlexiCap/Nickel Barrier, X2Y capacitor

Datasheet

5.300Expected 22/04/2026

Cut Tape

Rp19.080

Rp12.255

Rp9.558

Rp8.733

Reel

Rp6.348

View

Min.: 1
Mult.: 1

Reel: 3.000

EMI Feedthrough Filters

Reel, Cut Tape

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

SFSWG1000333MX0
Knowles Syfer
1: Rp372.791
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG1000333MX0

Mouser Part No
843-SFSWG1000333MX0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp372.791

Rp296.655

Rp266.200

Rp256.661

Rp240.700

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG2000153MX0
Knowles Syfer
1: Rp371.873
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG2000153MX0

Mouser Part No
843-SFSWG2000153MX0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp371.873

Rp295.921

Rp265.467

Rp255.927

Rp239.966

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG2000223MX0
Knowles Syfer
1: Rp371.873
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG2000223MX0

Mouser Part No
843-SFSWG2000223MX0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp371.873

Rp295.921

Rp265.467

Rp255.927

Rp239.966

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000100ZC0
Knowles Syfer
1: Rp373.525
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000100ZC0

Mouser Part No
843-SFSWG5000100ZC0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp373.525

Rp297.389

Rp266.934

Rp257.211

Rp241.250

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000101MC0
Knowles Syfer
1: Rp374.442
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000101MC0

Mouser Part No
843-SFSWG5000101MC0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp374.442

Rp298.123

Rp267.485

Rp257.945

Rp241.800

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000102MX0
Knowles Syfer
1: Rp370.956
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000102MX0

Mouser Part No
843-SFSWG5000102MX0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp370.956

Rp295.187

Rp264.916

Rp255.376

Rp239.415

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000103MX0
Knowles Syfer
1: Rp371.873
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000103MX0

Mouser Part No
843-SFSWG5000103MX0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp371.873

Rp295.921

Rp265.467

Rp255.927

Rp239.966

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000151MC0
Knowles Syfer
1: Rp375.359
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000151MC0

Mouser Part No
843-SFSWG5000151MC0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp375.359

Rp298.856

Rp268.219

Rp258.495

Rp242.534

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000152MX0
Knowles Syfer
1: Rp370.956
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000152MX0

Mouser Part No
843-SFSWG5000152MX0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp370.956

Rp295.187

Rp264.916

Rp255.376

Rp239.415

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000220ZC0
Knowles Syfer
1: Rp373.525
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000220ZC0

Mouser Part No
843-SFSWG5000220ZC0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp373.525

Rp297.389

Rp266.934

Rp257.211

Rp241.250

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000221MC0
Knowles Syfer
1: Rp377.928
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000221MC0

Mouser Part No
843-SFSWG5000221MC0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp377.928

Rp301.058

Rp270.237

Rp260.513

Rp244.369

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000222MX0
Knowles Syfer
1: Rp370.956
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000222MX0

Mouser Part No
843-SFSWG5000222MX0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp370.956

Rp295.187

Rp264.916

Rp255.376

Rp239.415

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000330ZC0
Knowles Syfer
1: Rp374.442
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000330ZC0

Mouser Part No
843-SFSWG5000330ZC0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp374.442

Rp298.123

Rp267.485

Rp257.945

Rp241.800

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000331MC0
Knowles Syfer
1: Rp377.010
100Expected 23/09/2026
New Product

Mfr. Part No.
SFSWG5000331MC0

Mouser Part No
843-SFSWG5000331MC0

New Product

Knowles Syfer

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

Learn More

Datasheet

100Expected 23/09/2026

Rp377.010

Rp300.324

Rp269.503

Rp259.779

Rp243.818

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

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

SFSWG5000332MX0
Knowles Syfer
1: Rp370.956
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

Rp370.956

Rp295.187

Rp264.916

Rp255.376

Rp239.415

Min.: 1
Mult.: 1

Feed Through Capacitors

EMI Filter

- 55 C

+ 125 C

Bulk

Knowles Syfer EMI Filters / EMI Suppression

Types of EMI Filters / EMI Suppression

Customer Service Office

Company

Resources

Support