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SEK Series Capacitors

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Part #

Aluminum Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

SEK220M400ST
Knowles / Illinois Capacitor
1: $1.935
6.100In Stock

Mfr. Part #
SEK220M400ST

Mouser Part #
539-SEK400V22

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

Datasheet

6.100In Stock

$1.935

$1.336

$1.073

$973

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

22 uF

20 %

400 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

SEK101M035ST
Knowles / Illinois Capacitor
1: $883
9.541In Stock

Mfr. Part #
SEK101M035ST

Mouser Part #
539-SEK35V100

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

Datasheet

9.541In Stock

$883

$467

$419

$319

$297

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

100 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 50V

SEK102M050ST
Knowles / Illinois Capacitor
1: $15.870
195In Stock

Mfr. Part #
SEK102M050ST

Mouser Part #
598-SEK102M050ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 50V

Datasheet

195In Stock

$15.870

$11.611

$9.865

$9.307

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1000 uF

20 %

50 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 35V 220uF 10X13

SEK221M035ST
Knowles / Illinois Capacitor
1: $1.483
7.446In Stock

Mfr. Part #
SEK221M035ST

Mouser Part #
539-SEK35V220

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 35V 220uF 10X13

Datasheet

7.446In Stock

$1.483

$757

$610

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

SEK331M035ST
Knowles / Illinois Capacitor
1: $1.662
4.610In Stock

Mfr. Part #
SEK331M035ST

Mouser Part #
539-SEK35V330

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

Datasheet

4.610In Stock

$1.662

$872

$715

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 4.7uF 200V -40C +105C

SEK4R7M200ST
Knowles / Illinois Capacitor
1: $673
3.892In Stock

Mfr. Part #
SEK4R7M200ST

Mouser Part #
598-SEK4R7M200ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 4.7uF 200V -40C +105C

Datasheet

3.892In Stock

$673

$455

$310

$252

$233

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

200 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 47uF 100V 20%

SEK470M100ST
Knowles / Illinois Capacitor
1: $778
3.537In Stock

Mfr. Part #
SEK470M100ST

Mouser Part #
598-SEK470M100ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 47uF 100V 20%

Datasheet

3.537In Stock

$778

$514

$411

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

47 uF

20 %

100 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 2200uF 35V 20%

SEK222M035ST
Knowles / Illinois Capacitor
1: $2.608
959In Stock

Mfr. Part #
SEK222M035ST

Mouser Part #
598-SEK222M035ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 2200uF 35V 20%

Datasheet

959In Stock

$2.608

$1.872

$1.483

$1.357

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

2200 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 330uF 25V

SEK331M025ST
Knowles / Illinois Capacitor
1: $1.525
3.449In Stock

Mfr. Part #
SEK331M025ST

Mouser Part #
598-SEK331M025ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 330uF 25V

Datasheet

3.449In Stock

$1.525

$842

$690

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

25 VDC

Aluminum Electrolytic Capacitors - Radial Leaded ALUM 35V 4700uF 105%

SEK472M035ST
Knowles / Illinois Capacitor
1: $5.143
1.983In Stock

Mfr. Part #
SEK472M035ST

Mouser Part #
539-SEK35V4700

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded ALUM 35V 4700uF 105%

Datasheet

1.983In Stock

$5.143

$3.607

$3.039

$2.545

$2.398

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4700 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 25V 220uF ELEC RADL

SEK221M025ST
Knowles / Illinois Capacitor
1: $3.334
608In Stock

Mfr. Part #
SEK221M025ST

Mouser Part #
539-SEK25V220

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 25V 220uF ELEC RADL

Datasheet

608In Stock

$3.334

$2.377

$1.904

$1.746

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

25 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 3.3uF 50V RADIAL 20%

SEK3R3M050ST
Knowles / Illinois Capacitor
1: $684
1.250In Stock

Mfr. Part #
SEK3R3M050ST

Mouser Part #
539-SEK50V3.3

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 3.3uF 50V RADIAL 20%

Datasheet

1.250In Stock

$684

$454

$283

$236

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

3.3 uF

20 %

50 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 470uF 16V

SEK471M016ST
Knowles / Illinois Capacitor
1: $1.178
2.442In Stock

Mfr. Part #
SEK471M016ST

Mouser Part #
598-SEK471M016ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 470uF 16V

Datasheet

2.442In Stock

$1.178

$602

$493

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

470 uF

20 %

16 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 33uF 35V 20%

SEK330M035ST
Knowles / Illinois Capacitor
1: $663
6.603In Stock

Mfr. Part #
SEK330M035ST

Mouser Part #
598-SEK330M035ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 33uF 35V 20%

Datasheet

6.603In Stock

$663

$309

$276

$218

$199

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

33 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 4700uF 16V 20%

SEK472M016ST
Knowles / Illinois Capacitor
1: $4.480
736In Stock

Mfr. Part #
SEK472M016ST

Mouser Part #
598-SEK472M016ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 4700uF 16V 20%

Datasheet

736In Stock

$4.480

$3.229

$2.797

$2.471

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4700 uF

20 %

16 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 10V

SEK102M010ST
Knowles / Illinois Capacitor
1: $1.662
1.623In Stock

Mfr. Part #
SEK102M010ST

Mouser Part #
598-SEK102M010ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 10V

Datasheet

1.623In Stock

$1.662

$1.157

$853

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1000 uF

20 %

10 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 220uF 100V 20%

SEK221M100ST
Knowles / Illinois Capacitor
1: $3.450
820In Stock

Mfr. Part #
SEK221M100ST

Mouser Part #
598-SEK221M100ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 220uF 100V 20%

Datasheet

820In Stock

$3.450

$2.556

$2.209

$1.956

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

100 VDC

Aluminum Organic Polymer Capacitors 25V 120uF 24mOhms SMD 8x7mm

25SEK120M
Panasonic
1: $1.840
469In Stock
NRND

Mfr. Part #
25SEK120M

Mouser Part #
667-25SEK120M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 25V 120uF 24mOhms SMD 8x7mm

Learn More

Datasheet

469In Stock

$1.840

$1.252

$981

$819

Min.: 1
Mult.: 1
Max.: 200

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

120 uF

20 %

25 VDC

Aluminum Organic Polymer Capacitors 35V 180uF 20mOhms SMD 8x12mm

35SEK180M
Panasonic
1: $2.240
232In Stock
NRND

Mfr. Part #
35SEK180M

Mouser Part #
667-35SEK180M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 35V 180uF 20mOhms SMD 8x12mm

Learn More

Datasheet

232In Stock

$2.240

$1.483

$1.167

$972

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

180 uF

20 %

35 VDC

Aluminum Organic Polymer Capacitors 35V 47uF 27mOhms Radial 6.3x6mm

35SEK47M
Panasonic
1: $1.641
2.904In Stock
NRND

Mfr. Part #
35SEK47M

Mouser Part #
667-35SEK47M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 35V 47uF 27mOhms Radial 6.3x6mm

Learn More

Datasheet

2.904In Stock

$1.641

$858

$779

$642

Min.: 1
Mult.: 1
Max.: 500

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

47 uF

20 %

35 VDC

Aluminum Organic Polymer Capacitors 25V 270uF 16mOhms SMD 8x12mm

25SEK270M
Panasonic
1: $2.209
617In Stock
NRND

Mfr. Part #
25SEK270M

Mouser Part #
667-25SEK270M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 25V 270uF 16mOhms SMD 8x12mm

Learn More

Datasheet

617In Stock

$2.209

$1.483

$1.167

$972

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

270 uF

20 %

25 VDC

Aluminum Organic Polymer Capacitors 25V 470uF 14mOhms SMD 10x13mm

25SEK470M
Panasonic
1: $2.755
37In Stock
800On Order
NRND

Mfr. Part #
25SEK470M

Mouser Part #
667-25SEK470M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 25V 470uF 14mOhms SMD 10x13mm

Learn More

Datasheet

37In Stock

800On Order

$2.755

$1.851

$1.588

$1.399

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

470 uF

20 %

25 VDC

Aluminum Organic Polymer Capacitors 25V 82uF 25mOhms 6.3 x 6mm

25SEK82M
Panasonic
1: $1.641
596In Stock
1.000Expected 3/25/2027
NRND

Mfr. Part #
25SEK82M

Mouser Part #
667-25SEK82M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 25V 82uF 25mOhms 6.3 x 6mm

Learn More

Datasheet

596In Stock

1.000Expected 3/25/2027

$1.641

$858

$779

$684

$598

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

82 uF

20 %

25 VDC

Aluminum Organic Polymer Capacitors 35V 330uF 18mOhms SMD 10x13mm

35SEK330M
Panasonic
1: $2.619
71In Stock
1.000On Order
NRND

Mfr. Part #
35SEK330M

Mouser Part #
667-35SEK330M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 35V 330uF 18mOhms SMD 10x13mm

Learn More

Datasheet

71In Stock

1.000On Order

$2.619

$1.851

$1.588

$1.399

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

330 uF

20 %

35 VDC

Aluminum Organic Polymer Capacitors 50V 120uF 20mOhms SMD 10x13mm

50SEK120M
Panasonic
1: $2.619
429In Stock
400Expected 6/10/2027
NRND

Mfr. Part #
50SEK120M

Mouser Part #
667-50SEK120M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 50V 120uF 20mOhms SMD 10x13mm

Learn More

Datasheet

429In Stock

400Expected 6/10/2027

$2.619

$1.840

$1.451

$1.230

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

120 uF

20 %

50 VDC

SEK Series Capacitors

Types of Capacitors

Customer Service Office

Company

Resources

Support

1 uF
2.2 uF
3.3 uF
4.7 uF
10 uF
22 uF
33 uF
47 uF
68 uF
82 uF
100 uF
120 uF
180 uF
220 uF
270 uF
330 uF
470 uF
1000 uF
2200 uF
3300 uF