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SEK Series Capacitors

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Series = SEK

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Part #

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

SEK101M035ST
Knowles / Illinois Capacitor
1: $1.21
9,583In Stock

Mfr. Part #
SEK101M035ST

Mouser Part #
539-SEK35V100

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

Datasheet

9,583In Stock

$1.21

$0.639

$0.573

$0.422

View

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: $21.73
195In Stock

Mfr. Part #
SEK102M050ST

Mouser Part #
598-SEK102M050ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 50V

Datasheet

195In Stock

$21.73

$15.90

$13.51

$12.04

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1000 uF

20 %

50 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 4.7uF 250V

SEK4R7M250ST
Knowles / Illinois Capacitor
1: $1.47
15,434In Stock

Mfr. Part #
SEK4R7M250ST

Mouser Part #
598-SEK4R7M250ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 4.7uF 250V

Datasheet

15,434In Stock

$1.47

$0.713

$0.593

$0.508

$0.504

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

250 VDC

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

SEK221M035ST
Knowles / Illinois Capacitor
1: $2.03
7,492In Stock

Mfr. Part #
SEK221M035ST

Mouser Part #
539-SEK35V220

Knowles / Illinois Capacitor

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

Datasheet

7,492In Stock

$2.03

$1.04

$0.835

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 330uF 50V RAD

SEK331M050ST
Knowles / Illinois Capacitor
1: $2.95
12,311In Stock

Mfr. Part #
SEK331M050ST

Mouser Part #
539-SEK50V330

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 330uF 50V RAD

Datasheet

12,311In Stock

$2.95

$2.03

$1.61

$1.34

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

50 VDC

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

SEK4R7M200ST
Knowles / Illinois Capacitor
1: $0.922
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

$0.922

$0.624

$0.425

$0.346

$0.32

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

200 VDC

Aluminum Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

SEK331M035ST
Knowles / Illinois Capacitor
1: $2.28
4,630In Stock

Mfr. Part #
SEK331M035ST

Mouser Part #
539-SEK35V330

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

Datasheet

4,630In Stock

$2.28

$1.19

$0.979

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

35 VDC

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

SEK222M035ST
Knowles / Illinois Capacitor
1: $3.72
961In Stock

Mfr. Part #
SEK222M035ST

Mouser Part #
598-SEK222M035ST

Knowles / Illinois Capacitor

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

Datasheet

961In Stock

$3.72

$2.56

$2.03

$1.86

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: $2.09
3,440In Stock

Mfr. Part #
SEK331M025ST

Mouser Part #
598-SEK331M025ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 330uF 25V

Datasheet

3,440In Stock

$2.09

$0.861

$0.844

$0.802

$0.701

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

25 VDC

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

SEK221M025ST
Knowles / Illinois Capacitor
1: $4.56
615In Stock

Mfr. Part #
SEK221M025ST

Mouser Part #
539-SEK25V220

Knowles / Illinois Capacitor

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

Datasheet

615In Stock

$4.56

$3.25

$2.61

$2.39

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

25 VDC

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

SEK472M035ST
Knowles / Illinois Capacitor
1: $7.04
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

$7.04

$4.94

$4.16

$3.48

$3.28

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4700 uF

20 %

35 VDC

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

SEK470M100ST
Knowles / Illinois Capacitor
1: $0.965
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

$0.965

$0.621

$0.533

$0.498

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

47 uF

20 %

100 VDC

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

SEK3R3M050ST
Knowles / Illinois Capacitor
1: $0.936
1,252In Stock

Mfr. Part #
SEK3R3M050ST

Mouser Part #
539-SEK50V3.3

Knowles / Illinois Capacitor

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

Datasheet

1,252In Stock

$0.936

$0.622

$0.387

$0.323

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: $1.61
2,442In Stock

Mfr. Part #
SEK471M016ST

Mouser Part #
598-SEK471M016ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 470uF 16V

Datasheet

2,442In Stock

$1.61

$0.824

$0.675

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: $0.907
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

$0.907

$0.423

$0.377

$0.298

View

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: $6.13
736In Stock

Mfr. Part #
SEK472M016ST

Mouser Part #
598-SEK472M016ST

Knowles / Illinois Capacitor

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

Datasheet

736In Stock

$6.13

$4.42

$3.83

$3.38

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4700 uF

20 %

16 VDC

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

SEK221M100ST
Knowles / Illinois Capacitor
1: $4.72
820In Stock

Mfr. Part #
SEK221M100ST

Mouser Part #
598-SEK221M100ST

Knowles / Illinois Capacitor

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

Datasheet

820In Stock

$4.72

$3.50

$3.02

$2.69

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

100 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 10V

SEK102M010ST
Knowles / Illinois Capacitor
1: $2.28
1,623In Stock

Mfr. Part #
SEK102M010ST

Mouser Part #
598-SEK102M010ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 10V

Datasheet

1,623In Stock

$2.28

$1.58

$1.17

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1000 uF

20 %

10 VDC

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

25SEK120M
Panasonic
1: $2.53
467In Stock
NRND

Mfr. Part #
25SEK120M

Mouser Part #
667-25SEK120M

NRND

Panasonic

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

Learn More

Datasheet

467In Stock

$2.53

$1.71

$1.34

$1.12

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: $3.08
247In Stock
NRND

Mfr. Part #
35SEK180M

Mouser Part #
667-35SEK180M

NRND

Panasonic

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

Learn More

Datasheet

247In Stock

$3.08

$2.03

$1.60

$1.33

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

180 uF

20 %

35 VDC

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

35SEK47M
Panasonic
1: $2.19
2,932In Stock
NRND

Mfr. Part #
35SEK47M

Mouser Part #
667-35SEK47M

NRND

Panasonic

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

Learn More

Datasheet

2,932In Stock

$2.19

$1.18

$1.07

$0.878

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: $2.98
620In Stock
NRND

Mfr. Part #
25SEK270M

Mouser Part #
667-25SEK270M

NRND

Panasonic

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

Learn More

Datasheet

620In Stock

$2.98

$2.03

$1.60

$1.33

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

270 uF

20 %

25 VDC

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

25SEK470M
Panasonic
1: $3.77
67In Stock
400Expected 2027-06-07
NRND

Mfr. Part #
25SEK470M

Mouser Part #
667-25SEK470M

NRND

Panasonic

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

Learn More

Datasheet

67In Stock

400Expected 2027-06-07

$3.77

$2.53

$2.17

$1.92

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

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: $2.19
594In Stock
1,000Expected 2027-03-25
NRND

Mfr. Part #
25SEK82M

Mouser Part #
667-25SEK82M

NRND

Panasonic

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

Learn More

Datasheet

594In Stock

1,000Expected 2027-03-25

$2.19

$1.18

$1.07

$0.936

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

82 uF

20 %

25 VDC

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

35SEK330M
Panasonic
1: $3.59
524In Stock
400Expected 2026-09-17
NRND

Mfr. Part #
35SEK330M

Mouser Part #
667-35SEK330M

NRND

Panasonic

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

Learn More

Datasheet

524In Stock

400Expected 2026-09-17

$3.59

$2.53

$2.17

$1.92

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

330 uF

20 %

35 VDC

SEK Series Capacitors

Types of Capacitors

Mouser Electronics®

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