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SEK Series Capacitors

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Part #

Aluminium Electrolytic Capacitors - Radial Leaded 47uF 50V

SEK470M050ST
Knowles / Illinois Capacitor
1: £0.803
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

£0.803

£0.545

£0.397

£0.329

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: £0.571
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

£0.571

£0.384

£0.262

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: £0.45
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

£0.45

£0.21

£0.188

£0.169

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: £1.43
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

£1.43

£0.934

£0.725

£0.535

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: £0.759
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

£0.759

£0.519

£0.378

£0.313

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: £1.91
159In Stock

Mfr. Part No.
SEK102M025ST

Mouser Part No
598-SEK102M025ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 1000uF 25V

Datasheet

159In Stock

£1.91

£1.32

£1.08

£0.96

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: £1.15
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

£1.15

£0.743

£0.472

£0.416

£0.395

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: £4.75
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

£4.75

£3.33

£2.87

£2.51

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: £1.14
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

£1.14

£0.601

£0.499

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: £3.56
48In Stock

Mfr. Part No.
SEK330M400ST

Mouser Part No
598-SEK330M400ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 33uF 400V

Datasheet

48In Stock

£3.56

£2.57

£2.23

£2.02

£2.01

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: £0.811
123In Stock

Mfr. Part No.
SEK331M010ST

Mouser Part No
598-SEK331M010ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 330uF 10V

Datasheet

123In Stock

£0.811

£0.416

£0.375

£0.303

£0.281

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: £2.91
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

£2.91

£2.41

£2.17

£2.05

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: £0.571
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

£0.571

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: £1.14
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

£1.14

£0.613

£0.556

£0.488

View

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: £1.36
326Expected 10/09/2026
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 10/09/2026

£1.36

£0.934

£0.796

£0.70

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: £2.02
7,995Expected 09/11/2026

Mfr. Part No.
SEK222M016ST

Mouser Part No
598-SEK222M016ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 2200uF 16V

Datasheet

7,995Expected 09/11/2026

£2.02

£1.41

£1.13

£1.03

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: £0.841
16,000Expected 25/01/2027

Mfr. Part No.
SEK4R7M250ST

Mouser Part No
598-SEK4R7M250ST

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 4.7uF 250V

Datasheet

16,000Expected 25/01/2027

£0.841

£0.453

£0.392

£0.32

£0.298

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: £2.42
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

£2.42

£1.69

£1.41

£1.29

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: £0.698
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

£0.698

£0.35

£0.288

£0.251

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: £0.615
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

£0.615

£0.414

£0.282

£0.23

£0.229

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: £2.12
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

£2.12

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: £0.091
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

£0.091

£0.088

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: £0.088
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

£0.088

£0.086

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: £1.51
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

£1.51

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: £1.37
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

£1.37

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