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SEK Series Capacitors

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Part #

Aluminum Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

SEK331M035ST
Knowles / Illinois Capacitor
1: $1.90
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

$1.90

$1.27

$0.973

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

SEK101M035ST
Knowles / Illinois Capacitor
1: $1.21
9,536In Stock

Mfr. Part #
SEK101M035ST

Mouser Part #
539-SEK35V100

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

Datasheet

9,536In Stock

$1.21

$0.657

$0.577

$0.439

$0.409

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

100 uF

20 %

35 VDC

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

SEK221M035ST
Knowles / Illinois Capacitor
1: $2.03
7,436In Stock

Mfr. Part #
SEK221M035ST

Mouser Part #
539-SEK35V220

Knowles / Illinois Capacitor

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

Datasheet

7,436In Stock

$2.03

$1.07

$0.842

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

SEK220M400ST
Knowles / Illinois Capacitor
1: $3.21
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

$3.21

$2.26

$1.94

$1.68

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

22 uF

20 %

400 VDC

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

SEK470M100ST
Knowles / Illinois Capacitor
1: $1.61
3,536In Stock

Mfr. Part #
SEK470M100ST

Mouser Part #
598-SEK470M100ST

Knowles / Illinois Capacitor

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

Datasheet

3,536In Stock

$1.61

$0.881

$0.724

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

47 uF

20 %

100 VDC

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

SEK472M035ST
Knowles / Illinois Capacitor
1: $9.59
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

$9.59

$7.07

$5.88

$4.98

$4.72

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 mF

20 %

35 VDC

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

SEK222M035ST
Knowles / Illinois Capacitor
1: $4.51
959In Stock

Mfr. Part #
SEK222M035ST

Mouser Part #
598-SEK222M035ST

Knowles / Illinois Capacitor

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

Datasheet

959In Stock

$4.51

$3.27

$2.65

$2.43

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

2.2 mF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 330uF 25V

SEK331M025ST
Knowles / Illinois Capacitor
1: $2.09
3,430In Stock

Mfr. Part #
SEK331M025ST

Mouser Part #
598-SEK331M025ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 330uF 25V

Datasheet

3,430In Stock

$2.09

$1.26

$0.963

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

25 VDC

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

SEK4R7M200ST
Knowles / Illinois Capacitor
1: $1.09
3,872In Stock

Mfr. Part #
SEK4R7M200ST

Mouser Part #
598-SEK4R7M200ST

Knowles / Illinois Capacitor

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

Datasheet

3,872In Stock

$1.09

$0.737

$0.503

$0.409

$0.379

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

200 VDC

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

SEK3R3M050ST
Knowles / Illinois Capacitor
1: $0.936
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

$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 220uF 100V 20%

SEK221M100ST
Knowles / Illinois Capacitor
1: $4.97
820In Stock

Mfr. Part #
SEK221M100ST

Mouser Part #
598-SEK221M100ST

Knowles / Illinois Capacitor

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

Datasheet

820In Stock

$4.97

$3.69

$3.20

$2.81

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

1 mF

20 %

10 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

4.7 mF

20 %

16 VDC

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

25SEK120M
Panasonic Industry
1: $2.52
469In Stock
NRND

Mfr. Part #
25SEK120M

Mouser Part #
667-25SEK120M

NRND

Panasonic Industry

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

Learn More

Datasheet

469In Stock

$2.52

$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 Industry
1: $3.02
231In Stock
NRND

Mfr. Part #
35SEK180M

Mouser Part #
667-35SEK180M

NRND

Panasonic Industry

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

Learn More

Datasheet

231In Stock

$3.02

$2.03

$1.60

$1.33

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 Industry
1: $2.26
2,904In Stock
NRND

Mfr. Part #
35SEK47M

Mouser Part #
667-35SEK47M

NRND

Panasonic Industry

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

Learn More

Datasheet

2,904In Stock

$2.26

$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 50V 68uF 25mOhms SMD 8x12mm

50SEK68M
Panasonic Industry
1: $3.02
266In Stock
NRND

Mfr. Part #
50SEK68M

Mouser Part #
667-50SEK68M

NRND

Panasonic Industry

Aluminum Organic Polymer Capacitors 50V 68uF 25mOhms SMD 8x12mm

Learn More

Datasheet

266In Stock

$3.02

$2.03

$1.60

$1.33

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

68 uF

20 %

50 VDC

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

25SEK270M
Panasonic Industry
1: $3.02
614In Stock
NRND

Mfr. Part #
25SEK270M

Mouser Part #
667-25SEK270M

NRND

Panasonic Industry

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

Learn More

Datasheet

614In Stock

$3.02

$2.03

$1.60

$1.33

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 Industry
1: $3.77
19In Stock
800On Order
NRND

Mfr. Part #
25SEK470M

Mouser Part #
667-25SEK470M

NRND

Panasonic Industry

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

Learn More

Datasheet

19In Stock

800On Order

$3.77

$2.53

$2.17

$1.92

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

470 uF

20 %

25 VDC

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

35SEK330M
Panasonic Industry
1: $3.79
45In Stock
1,000On Order
NRND

Mfr. Part #
35SEK330M

Mouser Part #
667-35SEK330M

NRND

Panasonic Industry

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

Learn More

Datasheet

45In Stock

1,000On Order

$3.79

$2.78

$2.42

$1.92

$1.70

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 Industry
1: $3.59
414In Stock
400Expected 2027-06-10
NRND

Mfr. Part #
50SEK120M

Mouser Part #
667-50SEK120M

NRND

Panasonic Industry

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

Learn More

Datasheet

414In Stock

400Expected 2027-06-10

$3.59

$2.53

$2.10

$1.79

$1.58

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

120 uF

20 %

50 VDC

Aluminum Organic Polymer Capacitors 50V 22uF 35mOhms SMD 6.3x6mm

50SEK22M
Panasonic Industry
1: $2.35
140In Stock
1,000Expected 2026-09-10
NRND

Mfr. Part #
50SEK22M

Mouser Part #
667-50SEK22M

NRND

Panasonic Industry

Aluminum Organic Polymer Capacitors 50V 22uF 35mOhms SMD 6.3x6mm

Learn More

Datasheet

140In Stock

1,000Expected 2026-09-10

$2.35

$1.53

$1.15

$0.936

$0.874

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

22 uF

20 %

50 VDC

Aluminum Organic Polymer Capacitors 50V 33uF 35mOhms SMD 8x7mm

50SEK33M
Panasonic Industry
1: $2.71
8In Stock
1,000Expected 2026-11-02
NRND

Mfr. Part #
50SEK33M

Mouser Part #
667-50SEK33M

NRND

Panasonic Industry

Aluminum Organic Polymer Capacitors 50V 33uF 35mOhms SMD 8x7mm

Learn More

Datasheet

8In Stock

1,000Expected 2026-11-02

$2.71

$1.77

$1.48

$1.26

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

33 uF

20 %

50 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 25V 22uF ELEC RADL

SEK220M025ST
Knowles / Illinois Capacitor
1: $0.893
11,877In Stock

Mfr. Part #
SEK220M025ST

Mouser Part #
539-SEK25V22

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 25V 22uF ELEC RADL

Datasheet

11,877In Stock

$0.893

$0.415

$0.37

$0.291

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

22 uF

20 %

25 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 50V RAD

SEK101M050ST
Knowles / Illinois Capacitor
1: $1.74
4,149In Stock

Mfr. Part #
SEK101M050ST

Mouser Part #
539-SEK50V100

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 50V RAD

Datasheet

4,149In Stock

$1.74

$1.19

$0.864

$0.716

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

100 uF

20 %

50 VDC

SEK Series Capacitors

Types of Capacitors

Mouser®

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
1 mF
2.2 mF
3.3 mF