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SEK Series Capacitors

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Part #

Aluminium Electrolytic Capacitors - Radial Leaded 47uF 50V

SEK470M050ST
Knowles / Illinois Capacitor
1: $1.46
794In Stock
2,000Expected 21/10/2026

Mfr. Part No.
SEK470M050ST

Mouser Part No
598-SEK470M050ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 47uF 50V

Datasheet

794In Stock

2,000Expected 21/10/2026

$1.46

$0.987

$0.719

$0.596

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

47 uF

20 %

50 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 470uF 16V

SEK471M016ST
Knowles / Illinois Capacitor
1: $1.03
2,442In Stock

Mfr. Part No.
SEK471M016ST

Mouser Part No
598-SEK471M016ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 470uF 16V

Datasheet

2,442In Stock

$1.03

$0.696

$0.475

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

470 uF

20 %

16 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 4.7uF 50V

SEK4R7M050ST
Knowles / Illinois Capacitor
1: $0.816
3,378In Stock

Mfr. Part No.
SEK4R7M050ST

Mouser Part No
598-SEK4R7M050ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 4.7uF 50V

Datasheet

3,378In Stock

$0.816

$0.381

$0.34

$0.307

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

50 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 10uF 200V 20%

SEK100M200ST
Knowles / Illinois Capacitor
1: $1.59
2,634In Stock

Mfr. Part No.
SEK100M200ST

Mouser Part No
598-SEK100M200ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 10uF 200V 20%

Datasheet

2,634In Stock

$1.59

$1.02

$0.902

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

10 uF

20 %

200 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 10uF 250V 20%

SEK100M250ST
Knowles / Illinois Capacitor
1: $1.37
1,582In Stock

Mfr. Part No.
SEK100M250ST

Mouser Part No
598-SEK100M250ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 10uF 250V 20%

Datasheet

1,582In Stock

$1.37

$0.941

$0.685

$0.567

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

10 uF

20 %

250 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 1000uF 25V

SEK102M025ST
Knowles / Illinois Capacitor
1: $3.47
159In Stock

Mfr. Part No.
SEK102M025ST

Mouser Part No
598-SEK102M025ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 1000uF 25V

Datasheet

159In Stock

$3.47

$2.38

$1.96

$1.74

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1 mF

20 %

25 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 220uF 63V -40C +105C

SEK221M063ST
Knowles / Illinois Capacitor
1: $2.08
1,173In Stock

Mfr. Part No.
SEK221M063ST

Mouser Part No
598-SEK221M063ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 220uF 63V -40C +105C

Datasheet

1,173In Stock

$2.08

$1.35

$0.855

$0.753

$0.715

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

63 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 220uF 200V 20%

SEK221M200ST
Knowles / Illinois Capacitor
1: $8.61
2In Stock

Mfr. Part No.
SEK221M200ST

Mouser Part No
598-SEK221M200ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 220uF 200V 20%

Datasheet

2In Stock

$8.61

$6.04

$5.20

$4.56

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

200 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 33uF 100V 20%

SEK330M100ST
Knowles / Illinois Capacitor
1: $2.07
1,049In Stock

Mfr. Part No.
SEK330M100ST

Mouser Part No
598-SEK330M100ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 33uF 100V 20%

Datasheet

1,049In Stock

$2.07

$1.09

$0.904

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

33 uF

20 %

100 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 33uF 400V

SEK330M400ST
Knowles / Illinois Capacitor
1: $6.45
48In Stock

Mfr. Part No.
SEK330M400ST

Mouser Part No
598-SEK330M400ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 33uF 400V

Datasheet

48In Stock

$6.45

$4.65

$4.03

$3.66

$3.64

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

33 uF

20 %

400 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 330uF 10V

SEK331M010ST
Knowles / Illinois Capacitor
1: $1.47
123In Stock

Mfr. Part No.
SEK331M010ST

Mouser Part No
598-SEK331M010ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 330uF 10V

Datasheet

123In Stock

$1.47

$0.753

$0.679

$0.549

$0.509

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

10 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 3300uF 16V 20%

SEK332M016ST
Knowles / Illinois Capacitor
1: $5.26
128In Stock

Mfr. Part No.
SEK332M016ST

Mouser Part No
598-SEK332M016ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 3300uF 16V 20%

Datasheet

128In Stock

$5.26

$4.37

$3.94

$3.71

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

3.3 mF

20 %

16 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 1uF 250V 20%

SEK010M250ST
Knowles / Illinois Capacitor
1: $1.03
9In Stock

Mfr. Part No.
SEK010M250ST

Mouser Part No
598-SEK010M250ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 1uF 250V 20%

Datasheet

9In Stock

$1.03

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1 uF

20 %

250 VDC

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

25SEK82M
Panasonic Industry
1: $2.07
2,489On Order
NRND

Mfr. Part No.
25SEK82M

Mouser Part No
667-25SEK82M

NRND

Panasonic Industry

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

Learn More

Datasheet

2,489On Order

$2.07

$1.11

$1.01

$0.884

$0.826

Min.: 1
Mult.: 1

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

82 uF

20 %

25 VDC

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

35SEK82M
Panasonic Industry
1: $2.46
326Expected 10/9/2026
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

326Expected 10/9/2026

$2.46

$1.69

$1.44

$1.27

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

82 uF

20 %

35 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 2200uF 16V

SEK222M016ST
Knowles / Illinois Capacitor
1: $3.66
7,995Expected 9/11/2026

Mfr. Part No.
SEK222M016ST

Mouser Part No
598-SEK222M016ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 2200uF 16V

Datasheet

7,995Expected 9/11/2026

$3.66

$2.56

$2.04

$1.86

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

2.2 mF

20 %

16 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 4.7uF 250V

SEK4R7M250ST
Knowles / Illinois Capacitor
1: $1.52
16,000Expected 25/1/2027

Mfr. Part No.
SEK4R7M250ST

Mouser Part No
598-SEK4R7M250ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 4.7uF 250V

Datasheet

16,000Expected 25/1/2027

$1.52

$0.82

$0.71

$0.581

$0.54

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

250 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 105 RAD CAP 470uF

SEK471M050ST
Knowles / Illinois Capacitor
1: $4.38
160Expected 21/10/2026

Mfr. Part No.
SEK471M050ST

Mouser Part No
539-SEK471M050ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 105 RAD CAP 470uF

Datasheet

160Expected 21/10/2026

$4.38

$3.06

$2.54

$2.34

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

470 uF

20 %

50 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 10uF 100V 20%

SEK100M100ST
Knowles / Illinois Capacitor
1: $1.26
3,000Stock Available

Mfr. Part No.
SEK100M100ST

Mouser Part No
598-SEK100M100ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 10uF 100V 20%

Datasheet

3,000Stock Available

More Info Available

$1.26

$0.634

$0.522

$0.454

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

10 uF

20 %

100 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 22uF 35V

SEK220M035ST
Knowles / Illinois Capacitor
1: $1.12
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
SEK220M035ST

Mouser Part No
539-SEK220M035ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 22uF 35V

Datasheet

Non-Stocked Lead-Time 24 Weeks

$1.12

$0.749

$0.511

$0.418

$0.415

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

22 uF

20 %

35 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 50V 2200uF 20%

SEK222M050ST
Knowles / Illinois Capacitor
4,200: $3.84
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
SEK222M050ST

Mouser Part No
539-SEK50V2200

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 50V 2200uF 20%

Datasheet

Non-Stocked Lead-Time 24 Weeks

$3.84

Min.: 4,200
Mult.: 300

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

2.2 mF

20 %

50 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 1uF 100V 20%

SEK010M100ST
Knowles / Illinois Capacitor
20,000: $0.165
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
SEK010M100ST

Mouser Part No
598-SEK010M100ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 1uF 100V 20%

Datasheet

Non-Stocked Lead-Time 24 Weeks

$0.165

$0.159

Min.: 20,000
Mult.: 1,000

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1 uF

20 %

100 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 10uF 63V -40C +105C

SEK100M063ST
Knowles / Illinois Capacitor
20,000: $0.159
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
SEK100M063ST

Mouser Part No
598-SEK100M063ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 10uF 63V -40C +105C

Datasheet

Non-Stocked Lead-Time 24 Weeks

$0.159

$0.155

Min.: 20,000
Mult.: 1,000

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

10 uF

20 %

63 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 250V 20%

SEK101M250ST
Knowles / Illinois Capacitor
4,200: $2.73
Non-Stocked Lead-Time 25 Weeks

Mfr. Part No.
SEK101M250ST

Mouser Part No
598-SEK101M250ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 250V 20%

Datasheet

Non-Stocked Lead-Time 25 Weeks

$2.73

Min.: 4,200
Mult.: 300

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

100 uF

20 %

250 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 22uF 350V 20%

SEK220M350ST
Knowles / Illinois Capacitor
8,000: $2.48
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
SEK220M350ST

Mouser Part No
598-SEK220M350ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 22uF 350V 20%

Datasheet

Non-Stocked Lead-Time 24 Weeks

$2.48

Min.: 8,000
Mult.: 100

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

22 uF

20 %

350 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