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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: $1.80
4,508In Stock

Mfr. Part No.
SEK331M035ST

Mouser Part No
539-SEK35V330

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

Datasheet

4,508In Stock

$1.80

$1.20

$0.919

$0.884

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

35 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

SEK101M035ST
Knowles / Illinois Capacitor
1: $1.14
9,410In Stock

Mfr. Part No.
SEK101M035ST

Mouser Part No
539-SEK35V100

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

Datasheet

9,410In Stock

$1.14

$0.62

$0.545

$0.403

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

100 uF

20 %

35 VDC

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

SEK221M035ST
Knowles / Illinois Capacitor
1: $1.92
7,373In Stock

Mfr. Part No.
SEK221M035ST

Mouser Part No
539-SEK35V220

Knowles / Illinois Capacitor

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

Datasheet

7,373In Stock

$1.92

$1.01

$0.798

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

35 VDC

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

SEK472M035ST
Knowles / Illinois Capacitor
1: $9.06
1,973In Stock

Mfr. Part No.
SEK472M035ST

Mouser Part No
539-SEK35V4700

Knowles / Illinois Capacitor

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

Datasheet

1,973In Stock

$9.06

$6.68

$5.55

$4.71

$4.46

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4700 uF

20 %

35 VDC

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

SEK222M035ST
Knowles / Illinois Capacitor
1: $3.17
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

$3.17

$2.39

$2.28

$1.94

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: $1.97
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

$1.97

$0.805

$0.804

$0.722

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: $3.03
6,097In Stock

Mfr. Part No.
SEK220M400ST

Mouser Part No
539-SEK400V22

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

Datasheet

6,097In Stock

$3.03

$2.14

$1.74

$1.58

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: $1.13
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

$1.13

$0.702

$0.624

$0.583

View

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: $1.03
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

$1.03

$0.696

$0.475

$0.386

$0.358

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

200 VDC

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

SEK3R3M050ST
Knowles / Illinois Capacitor
1: $0.884
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

$0.884

$0.588

$0.366

$0.305

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: $4.69
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

$4.69

$3.39

$2.98

$2.65

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: $2.15
1,622In Stock

Mfr. Part No.
SEK102M010ST

Mouser Part No
598-SEK102M010ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 1000uF 10V

Datasheet

1,622In Stock

$2.15

$1.50

$1.10

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: $5.79
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

$5.79

$4.18

$3.62

$3.20

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: $2.54
446In 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

446In Stock

$2.54

$1.75

$1.43

$1.19

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: $2.96
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

$2.96

$2.08

$1.63

$1.37

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

180 uF

20 %

35 VDC

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

25SEK270M
Panasonic Industry
1: $3.05
548In 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

548In Stock

$3.05

$2.08

$1.63

$1.56

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

270 uF

20 %

25 VDC

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

35SEK330M
Panasonic Industry
1: $4.15
118In 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

118In Stock

1,000On Order

$4.15

$2.76

$2.35

$2.00

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

330 uF

20 %

35 VDC

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

35SEK47M
Panasonic Industry
1: $2.16
1,565In Stock
3,000On Order
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

1,565In Stock

3,000On Order

$2.16

$1.12

$1.02

$0.839

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

47 uF

20 %

35 VDC

Aluminium Organic Polymer Capacitors 35V 82uF 25mOhms SMD 8x7mm

35SEK82M
Panasonic Industry
1: $2.69
145In Stock
NRND

Mfr. Part No.
35SEK82M

Mouser Part No
667-35SEK82M

NRND

Panasonic Industry

Aluminium Organic Polymer Capacitors 35V 82uF 25mOhms SMD 8x7mm

Learn More

Datasheet

145In Stock

$2.69

$1.77

$1.46

$1.27

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

82 uF

20 %

35 VDC

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

50SEK120M
Panasonic Industry
1: $3.90
399In Stock
400Expected 10/6/2027
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

399In Stock

400Expected 10/6/2027

$3.90

$2.77

$2.20

$1.86

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: $2.08
1,127In Stock
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

1,127In Stock

$2.08

$1.44

$1.07

$0.895

View

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: $2.69
29In Stock
1,000Expected 2/11/2026
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

29In Stock

1,000Expected 2/11/2026

$2.69

$1.80

$1.56

$1.27

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: $3.33
15In Stock
400Expected 30/9/2027
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

15In Stock

400Expected 30/9/2027

$3.33

$2.23

$1.86

$1.56

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: $1.14
11,819In Stock

Mfr. Part No.
SEK220M025ST

Mouser Part No
539-SEK25V22

Knowles / Illinois Capacitor

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

Datasheet

11,819In Stock

$1.14

$0.558

$0.499

$0.40

View

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: $1.73
4,019In Stock

Mfr. Part No.
SEK101M050ST

Mouser Part No
539-SEK50V100

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 50V RAD

Datasheet

4,019In Stock

$1.73

$0.892

$0.805

$0.656

$0.628

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