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SEK Series Capacitors

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Part #

Aluminium Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

SEK331M035ST
Knowles / Illinois Capacitor
1: $1.32
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

$1.32

$0.885

$0.676

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

35 VDC

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

SEK221M035ST
Knowles / Illinois Capacitor
1: $1.41
7,436In Stock

Mfr. Part No.
SEK221M035ST

Mouser Part No
539-SEK35V220

Knowles / Illinois Capacitor

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

Datasheet

7,436In Stock

$1.41

$0.74

$0.585

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: $0.84
9,535In Stock

Mfr. Part No.
SEK101M035ST

Mouser Part No
539-SEK35V100

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

Datasheet

9,535In Stock

$0.84

$0.456

$0.401

$0.305

$0.284

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

100 uF

20 %

35 VDC

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

SEK472M035ST
Knowles / Illinois Capacitor
1: $6.66
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

$6.66

$4.91

$4.08

$3.46

$3.28

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 mF

20 %

35 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

SEK220M400ST
Knowles / Illinois Capacitor
1: $2.23
6,098In Stock

Mfr. Part No.
SEK220M400ST

Mouser Part No
539-SEK400V22

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

Datasheet

6,098In Stock

$2.23

$1.57

$1.35

$1.17

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: $1.12
3,536In Stock

Mfr. Part No.
SEK470M100ST

Mouser Part No
598-SEK470M100ST

Knowles / Illinois Capacitor

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

Datasheet

3,536In Stock

$1.12

$0.612

$0.503

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

47 uF

20 %

100 VDC

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

SEK4R7M200ST
Knowles / Illinois Capacitor
1: $0.76
3,872In Stock

Mfr. Part No.
SEK4R7M200ST

Mouser Part No
598-SEK4R7M200ST

Knowles / Illinois Capacitor

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

Datasheet

3,872In Stock

$0.76

$0.512

$0.349

$0.284

$0.263

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: $3.13
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

$3.13

$2.27

$1.84

$1.69

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

2.2 mF

20 %

35 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 330uF 25V

SEK331M025ST
Knowles / Illinois Capacitor
1: $1.45
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

$1.45

$0.873

$0.669

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

25 VDC

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

SEK3R3M050ST
Knowles / Illinois Capacitor
1: $0.65
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

$0.65

$0.432

$0.269

$0.224

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: $3.45
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

$3.45

$2.56

$2.22

$1.95

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

100 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 1000uF 10V

SEK102M010ST
Knowles / Illinois Capacitor
1: $1.58
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

$1.58

$1.10

$0.811

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1 mF

20 %

10 VDC

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

SEK472M016ST
Knowles / Illinois Capacitor
1: $4.26
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

$4.26

$3.07

$2.66

$2.35

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 mF

20 %

16 VDC

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

25SEK120M
Panasonic Industry
1: $1.82
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

$1.82

$1.25

$1.07

$0.934

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: $2.18
231In 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

231In Stock

$2.18

$1.54

$1.32

$1.15

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: $1.52
3,264In 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

3,264In Stock

$1.52

$0.816

$0.741

$0.61

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

47 uF

20 %

35 VDC

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

25SEK270M
Panasonic Industry
1: $2.10
615In 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

615In Stock

$2.10

$1.41

$1.11

$0.924

View

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: $3.04
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

$3.04

$2.18

$1.67

$1.47

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: $2.72
24In 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

24In Stock

1,000On Order

$2.72

$1.94

$1.67

$1.47

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: $2.72
413In Stock
400Expected 10/06/2027
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

413In Stock

400Expected 10/06/2027

$2.72

$1.94

$1.67

$1.47

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: $1.54
140In Stock
1,000Expected 10/09/2026
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 10/09/2026

$1.54

$1.07

$0.788

$0.685

$0.616

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: $1.88
34In Stock
1,000Expected 02/11/2026
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

34In Stock

1,000Expected 02/11/2026

$1.88

$1.23

$1.08

$0.90

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

33 uF

20 %

50 VDC

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

50SEK68M
Panasonic Industry
1: $2.18
19In 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

19In Stock

$2.18

$1.54

$1.32

$1.15

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

68 uF

20 %

50 VDC

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

SEK220M025ST
Knowles / Illinois Capacitor
1: $0.62
11,877In Stock

Mfr. Part No.
SEK220M025ST

Mouser Part No
539-SEK25V22

Knowles / Illinois Capacitor

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

Datasheet

11,877In Stock

$0.62

$0.288

$0.257

$0.202

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: $1.27
4,139In Stock

Mfr. Part No.
SEK101M050ST

Mouser Part No
539-SEK50V100

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 50V RAD

Datasheet

4,139In Stock

$1.27

$0.656

$0.592

$0.482

$0.462

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
1 mF
2.2 mF
3.3 mF