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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: £1.06
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

£1.06

£0.555

£0.439

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: £0.63
9,536In Stock

Mfr. Part No.
SEK101M035ST

Mouser Part No
539-SEK35V100

Knowles / Illinois Capacitor

Aluminium Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

Datasheet

9,536In Stock

£0.63

£0.342

£0.301

£0.229

£0.213

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: £0.995
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

£0.995

£0.664

£0.507

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

35 VDC

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

SEK222M035ST
Knowles / Illinois Capacitor
1: £2.35
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

£2.35

£1.70

£1.38

£1.27

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: £1.09
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

£1.09

£0.656

£0.502

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

25 VDC

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

SEK472M035ST
Knowles / Illinois Capacitor
1: £5.00
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

£5.00

£3.68

£3.06

£2.60

£2.46

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 mF

20 %

35 VDC

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

SEK4R7M200ST
Knowles / Illinois Capacitor
1: £0.571
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

£0.571

£0.384

£0.262

£0.213

£0.197

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

200 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

SEK220M400ST
Knowles / Illinois Capacitor
1: £1.68
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

£1.68

£1.18

£1.01

£0.882

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: £0.841
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

£0.841

£0.459

£0.378

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

47 uF

20 %

100 VDC

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

SEK3R3M050ST
Knowles / Illinois Capacitor
1: £0.488
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

£0.488

£0.325

£0.202

£0.168

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: £2.59
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

£2.59

£1.92

£1.67

£1.47

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: £3.20
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

£3.20

£2.30

£2.00

£1.76

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 mF

20 %

16 VDC

Aluminium Electrolytic Capacitors - Radial Leaded 1000uF 10V

SEK102M010ST
Knowles / Illinois Capacitor
1: £1.19
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

£1.19

£0.826

£0.608

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1 mF

20 %

10 VDC

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

25SEK120M
Panasonic Industry
1: £1.36
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

£1.36

£0.917

£0.743

£0.62

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: £1.55
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

£1.55

£1.06

£0.834

£0.694

View

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: £1.14
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

£1.14

£0.613

£0.556

£0.458

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: £1.58
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

£1.58

£1.06

£0.834

£0.694

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: £2.28
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

£2.28

£1.63

£1.26

£1.10

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: £1.87
45In 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

45In Stock

1,000On Order

£1.87

£1.32

£1.13

£0.995

View

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: £2.04
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

£2.04

£1.46

£1.26

£1.10

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: £1.22
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

£1.22

£0.796

£0.583

£0.514

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: £1.41
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

£1.41

£0.925

£0.811

£0.676

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: £1.63
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

£1.63

£1.15

£0.995

£0.863

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: £0.465
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

£0.465

£0.217

£0.193

£0.152

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: £0.908
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

£0.908

£0.619

£0.45

£0.373

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
1 mF
2.2 mF
3.3 mF