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SEK Series Capacitors

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Part #

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

SEK221M035ST
Knowles / Illinois Capacitor
1: CHF 1.12
7’446In Stock

Mfr. Part No.
SEK221M035ST

Mouser Part No
539-SEK35V220

Knowles / Illinois Capacitor

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

Datasheet

7’446In Stock

CHF 1.12

CHF 0.586

CHF 0.464

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

35 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

SEK101M035ST
Knowles / Illinois Capacitor
1: CHF 0.666
9’541In Stock

Mfr. Part No.
SEK101M035ST

Mouser Part No
539-SEK35V100

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

Datasheet

9’541In Stock

CHF 0.666

CHF 0.352

CHF 0.315

CHF 0.241

CHF 0.224

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

100 uF

20 %

35 VDC

Aluminium Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

SEK331M035ST
Knowles / Illinois Capacitor
1: CHF 1.25
4’610In Stock

Mfr. Part No.
SEK331M035ST

Mouser Part No
539-SEK35V330

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

Datasheet

4’610In Stock

CHF 1.25

CHF 0.657

CHF 0.539

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

35 VDC

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

SEK4R7M200ST
Knowles / Illinois Capacitor
1: CHF 0.507
3’892In Stock

Mfr. Part No.
SEK4R7M200ST

Mouser Part No
598-SEK4R7M200ST

Knowles / Illinois Capacitor

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

Datasheet

3’892In Stock

CHF 0.507

CHF 0.343

CHF 0.234

CHF 0.19

CHF 0.176

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

200 VDC

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

SEK222M035ST
Knowles / Illinois Capacitor
1: CHF 2.72
959In Stock

Mfr. Part No.
SEK222M035ST

Mouser Part No
598-SEK222M035ST

Knowles / Illinois Capacitor

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

Datasheet

959In Stock

CHF 2.72

CHF 1.83

CHF 1.45

CHF 1.34

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

2200 uF

20 %

35 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 330uF 25V

SEK331M025ST
Knowles / Illinois Capacitor
1: CHF 1.15
3’430In Stock

Mfr. Part No.
SEK331M025ST

Mouser Part No
598-SEK331M025ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 330uF 25V

Datasheet

3’430In Stock

CHF 1.15

CHF 0.692

CHF 0.53

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

25 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

SEK220M400ST
Knowles / Illinois Capacitor
1: CHF 1.76
6’100In Stock

Mfr. Part No.
SEK220M400ST

Mouser Part No
539-SEK400V22

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

Datasheet

6’100In Stock

CHF 1.76

CHF 1.24

CHF 1.06

CHF 0.931

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

22 uF

20 %

400 VDC

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

SEK470M100ST
Knowles / Illinois Capacitor
1: CHF 0.881
3’537In Stock

Mfr. Part No.
SEK470M100ST

Mouser Part No
598-SEK470M100ST

Knowles / Illinois Capacitor

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

Datasheet

3’537In Stock

CHF 0.881

CHF 0.601

CHF 0.438

CHF 0.362

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

47 uF

20 %

100 VDC

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

SEK472M035ST
Knowles / Illinois Capacitor
1: CHF 5.28
1’983In Stock

Mfr. Part No.
SEK472M035ST

Mouser Part No
539-SEK35V4700

Knowles / Illinois Capacitor

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

Datasheet

1’983In Stock

CHF 5.28

CHF 3.89

CHF 3.42

CHF 3.04

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4700 uF

20 %

35 VDC

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

SEK3R3M050ST
Knowles / Illinois Capacitor
1: CHF 0.515
1’250In Stock

Mfr. Part No.
SEK3R3M050ST

Mouser Part No
539-SEK50V3.3

Knowles / Illinois Capacitor

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

Datasheet

1’250In Stock

CHF 0.515

CHF 0.343

CHF 0.213

CHF 0.178

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

3.3 uF

20 %

50 VDC

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

SEK221M100ST
Knowles / Illinois Capacitor
1: CHF 2.74
820In Stock

Mfr. Part No.
SEK221M100ST

Mouser Part No
598-SEK221M100ST

Knowles / Illinois Capacitor

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

Datasheet

820In Stock

CHF 2.74

CHF 2.03

CHF 1.76

CHF 1.55

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

100 VDC

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

SEK472M016ST
Knowles / Illinois Capacitor
1: CHF 3.37
736In Stock

Mfr. Part No.
SEK472M016ST

Mouser Part No
598-SEK472M016ST

Knowles / Illinois Capacitor

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

Datasheet

736In Stock

CHF 3.37

CHF 2.43

CHF 2.11

CHF 1.86

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4700 uF

20 %

16 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 1000uF 10V

SEK102M010ST
Knowles / Illinois Capacitor
1: CHF 1.25
1’623In Stock

Mfr. Part No.
SEK102M010ST

Mouser Part No
598-SEK102M010ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 1000uF 10V

Datasheet

1’623In Stock

CHF 1.25

CHF 0.872

CHF 0.643

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1000 uF

20 %

10 VDC

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

25SEK120M
Panasonic Industry
1: CHF 1.39
469In Stock
NRND

Mfr. Part No.
25SEK120M

Mouser Part No
667-25SEK120M

NRND

Panasonic Industry

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

Learn More

Datasheet

469In Stock

CHF 1.39

CHF 0.94

CHF 0.739

CHF 0.618

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

120 uF

20 %

25 VDC

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

35SEK180M
Panasonic Industry
1: CHF 1.69
232In Stock
NRND

Mfr. Part No.
35SEK180M

Mouser Part No
667-35SEK180M

NRND

Panasonic Industry

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

Learn More

Datasheet

232In Stock

CHF 1.69

CHF 1.12

CHF 0.881

CHF 0.733

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

180 uF

20 %

35 VDC

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

35SEK47M
Panasonic Industry
1: CHF 1.21
2’904In Stock
NRND

Mfr. Part No.
35SEK47M

Mouser Part No
667-35SEK47M

NRND

Panasonic Industry

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

Learn More

Datasheet

2’904In Stock

CHF 1.21

CHF 0.647

CHF 0.587

CHF 0.484

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

47 uF

20 %

35 VDC

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

50SEK68M
Panasonic Industry
1: CHF 1.67
264In Stock
NRND

Mfr. Part No.
50SEK68M

Mouser Part No
667-50SEK68M

NRND

Panasonic Industry

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

Learn More

Datasheet

264In Stock

CHF 1.67

CHF 1.12

CHF 0.881

CHF 0.733

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

68 uF

20 %

50 VDC

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

25SEK270M
Panasonic Industry
1: CHF 1.67
614In Stock
NRND

Mfr. Part No.
25SEK270M

Mouser Part No
667-25SEK270M

NRND

Panasonic Industry

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

Learn More

Datasheet

614In Stock

CHF 1.67

CHF 1.12

CHF 0.881

CHF 0.733

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

270 uF

20 %

25 VDC

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

25SEK470M
Panasonic Industry
1: CHF 2.07
19In Stock
800On Order
NRND

Mfr. Part No.
25SEK470M

Mouser Part No
667-25SEK470M

NRND

Panasonic Industry

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

Learn More

Datasheet

19In Stock

800On Order

CHF 2.07

CHF 1.39

CHF 1.20

CHF 1.05

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

470 uF

20 %

25 VDC

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

35SEK330M
Panasonic Industry
1: CHF 1.97
50In Stock
1’000On Order
NRND

Mfr. Part No.
35SEK330M

Mouser Part No
667-35SEK330M

NRND

Panasonic Industry

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

Learn More

Datasheet

50In Stock

1’000On Order

CHF 1.97

CHF 1.39

CHF 1.20

CHF 1.05

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

330 uF

20 %

35 VDC

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

50SEK120M
Panasonic Industry
1: CHF 1.97
418In Stock
400Expected 6/10/2027
NRND

Mfr. Part No.
50SEK120M

Mouser Part No
667-50SEK120M

NRND

Panasonic Industry

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

Learn More

Datasheet

418In Stock

400Expected 6/10/2027

CHF 1.97

CHF 1.39

CHF 1.10

CHF 0.931

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

120 uF

20 %

50 VDC

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

50SEK22M
Panasonic Industry
1: CHF 1.30
140In Stock
1’000Expected 9/10/2026
NRND

Mfr. Part No.
50SEK22M

Mouser Part No
667-50SEK22M

NRND

Panasonic Industry

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

Learn More

Datasheet

140In Stock

1’000Expected 9/10/2026

CHF 1.30

CHF 0.841

CHF 0.672

CHF 0.543

CHF 0.481

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

22 uF

20 %

50 VDC

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

50SEK33M
Panasonic Industry
1: CHF 1.49
8In Stock
1’000Expected 11/2/2026
NRND

Mfr. Part No.
50SEK33M

Mouser Part No
667-50SEK33M

NRND

Panasonic Industry

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

Learn More

Datasheet

8In Stock

1’000Expected 11/2/2026

CHF 1.49

CHF 0.977

CHF 0.817

CHF 0.692

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

33 uF

20 %

50 VDC

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

SEK220M025ST
Knowles / Illinois Capacitor
1: CHF 0.491
12’283In Stock

Mfr. Part No.
SEK220M025ST

Mouser Part No
539-SEK25V22

Knowles / Illinois Capacitor

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

Datasheet

12’283In Stock

CHF 0.491

CHF 0.229

CHF 0.204

CHF 0.16

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

22 uF

20 %

25 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 50V RAD

SEK101M050ST
Knowles / Illinois Capacitor
1: CHF 0.959
4’149In Stock

Mfr. Part No.
SEK101M050ST

Mouser Part No
539-SEK50V100

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 50V RAD

Datasheet

4’149In Stock

CHF 0.959

CHF 0.654

CHF 0.476

CHF 0.394

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

100 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