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SEK Series Capacitors

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Part #

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

SEK221M035ST
Knowles / Illinois Capacitor
1: $1.83
7,451In Stock

Mfr. Part #
SEK221M035ST

Mouser Part #
539-SEK35V220

Knowles / Illinois Capacitor

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

Datasheet

7,451In Stock

$1.83

$0.936

$0.754

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 50V

SEK102M050ST
Knowles / Illinois Capacitor
1: $19.62
195In Stock

Mfr. Part #
SEK102M050ST

Mouser Part #
598-SEK102M050ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 50V

Datasheet

195In Stock

$19.62

$14.35

$12.19

$11.51

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1000 uF

20 %

50 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

SEK220M400ST
Knowles / Illinois Capacitor
8,000: $1.20
6,100In Stock

Mfr. Part #
SEK220M400ST

Mouser Part #
539-SEK400V22

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 400V 22uF RADIAL

Datasheet

6,100In Stock

$1.20

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

22 uF

20 %

400 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

SEK101M035ST
Knowles / Illinois Capacitor
1: $1.09
9,550In Stock

Mfr. Part #
SEK101M035ST

Mouser Part #
539-SEK35V100

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL

Datasheet

9,550In Stock

$1.09

$0.577

$0.517

$0.394

$0.367

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

100 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

SEK331M035ST
Knowles / Illinois Capacitor
1: $2.05
4,630In Stock

Mfr. Part #
SEK331M035ST

Mouser Part #
539-SEK35V330

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF

Datasheet

4,630In Stock

$2.05

$1.08

$0.884

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

35 VDC

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

SEK4R7M200ST
Knowles / Illinois Capacitor
1: $0.832
3,892In Stock

Mfr. Part #
SEK4R7M200ST

Mouser Part #
598-SEK4R7M200ST

Knowles / Illinois Capacitor

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

Datasheet

3,892In Stock

$0.832

$0.563

$0.384

$0.312

$0.289

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4.7 uF

20 %

200 VDC

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

SEK472M035ST
Knowles / Illinois Capacitor
1: $6.36
1,983In Stock

Mfr. Part #
SEK472M035ST

Mouser Part #
539-SEK35V4700

Knowles / Illinois Capacitor

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

Datasheet

1,983In Stock

$6.36

$4.46

$3.76

$3.15

$2.96

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4700 uF

20 %

35 VDC

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

SEK222M035ST
Knowles / Illinois Capacitor
1: $3.33
959In Stock

Mfr. Part #
SEK222M035ST

Mouser Part #
598-SEK222M035ST

Knowles / Illinois Capacitor

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

Datasheet

959In Stock

$3.33

$2.31

$1.83

$1.68

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

2200 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 330uF 25V

SEK331M025ST
Knowles / Illinois Capacitor
1: $1.89
3,449In Stock

Mfr. Part #
SEK331M025ST

Mouser Part #
598-SEK331M025ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 330uF 25V

Datasheet

3,449In Stock

$1.89

$1.04

$0.853

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

330 uF

20 %

25 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 25V 220uF ELEC RADL

SEK221M025ST
Knowles / Illinois Capacitor
1: $4.12
615In Stock

Mfr. Part #
SEK221M025ST

Mouser Part #
539-SEK25V220

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 25V 220uF ELEC RADL

Datasheet

615In Stock

$4.12

$2.94

$2.35

$2.16

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

25 VDC

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

SEK470M100ST
Knowles / Illinois Capacitor
1: $0.962
3,537In Stock

Mfr. Part #
SEK470M100ST

Mouser Part #
598-SEK470M100ST

Knowles / Illinois Capacitor

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

Datasheet

3,537In Stock

$0.962

$0.636

$0.508

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

47 uF

20 %

100 VDC

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

SEK3R3M050ST
Knowles / Illinois Capacitor
1: $0.845
1,252In Stock

Mfr. Part #
SEK3R3M050ST

Mouser Part #
539-SEK50V3.3

Knowles / Illinois Capacitor

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

Datasheet

1,252In Stock

$0.845

$0.562

$0.35

$0.291

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

3.3 uF

20 %

50 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 33uF 35V 20%

SEK330M035ST
Knowles / Illinois Capacitor
1: $0.819
6,602In Stock

Mfr. Part #
SEK330M035ST

Mouser Part #
598-SEK330M035ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 33uF 35V 20%

Datasheet

6,602In Stock

$0.819

$0.382

$0.341

$0.269

$0.246

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

33 uF

20 %

35 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 470uF 16V

SEK471M016ST
Knowles / Illinois Capacitor
1: $1.46
2,442In Stock

Mfr. Part #
SEK471M016ST

Mouser Part #
598-SEK471M016ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 470uF 16V

Datasheet

2,442In Stock

$1.46

$0.744

$0.61

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

470 uF

20 %

16 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 10V

SEK102M010ST
Knowles / Illinois Capacitor
1: $2.05
1,623In Stock

Mfr. Part #
SEK102M010ST

Mouser Part #
598-SEK102M010ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 1000uF 10V

Datasheet

1,623In Stock

$2.05

$1.43

$1.05

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

1000 uF

20 %

10 VDC

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

SEK472M016ST
Knowles / Illinois Capacitor
1: $5.54
736In Stock

Mfr. Part #
SEK472M016ST

Mouser Part #
598-SEK472M016ST

Knowles / Illinois Capacitor

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

Datasheet

736In Stock

$5.54

$3.99

$3.46

$3.06

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

4700 uF

20 %

16 VDC

Aluminum Electrolytic Capacitors - Radial Leaded 220uF 100V 20%

SEK221M100ST
Knowles / Illinois Capacitor
1: $4.26
820In Stock

Mfr. Part #
SEK221M100ST

Mouser Part #
598-SEK221M100ST

Knowles / Illinois Capacitor

Aluminum Electrolytic Capacitors - Radial Leaded 220uF 100V 20%

Datasheet

820In Stock

$4.26

$3.16

$2.73

$2.42

View

Min.: 1
Mult.: 1

Electrolytic Capacitors

General Purpose Electrolytic Capacitors

Radial

220 uF

20 %

100 VDC

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

25SEK120M
Panasonic
1: $2.28
467In Stock
NRND

Mfr. Part #
25SEK120M

Mouser Part #
667-25SEK120M

NRND

Panasonic

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

Learn More

Datasheet

467In Stock

$2.28

$1.55

$1.21

$1.01

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

120 uF

20 %

25 VDC

Aluminum Organic Polymer Capacitors 35V 180uF 20mOhms SMD 8x12mm

35SEK180M
Panasonic
1: $2.69
247In Stock
NRND

Mfr. Part #
35SEK180M

Mouser Part #
667-35SEK180M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 35V 180uF 20mOhms SMD 8x12mm

Learn More

Datasheet

247In Stock

$2.69

$1.83

$1.44

$1.20

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

180 uF

20 %

35 VDC

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

35SEK47M
Panasonic
1: $1.98
2,905In Stock
NRND

Mfr. Part #
35SEK47M

Mouser Part #
667-35SEK47M

NRND

Panasonic

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

Learn More

Datasheet

2,905In Stock

$1.98

$1.06

$0.963

$0.793

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

47 uF

20 %

35 VDC

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

25SEK270M
Panasonic
1: $2.73
620In Stock
NRND

Mfr. Part #
25SEK270M

Mouser Part #
667-25SEK270M

NRND

Panasonic

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

Learn More

Datasheet

620In Stock

$2.73

$1.83

$1.44

$1.20

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

270 uF

20 %

25 VDC

Aluminum Organic Polymer Capacitors 25V 470uF 14mOhms SMD 10x13mm

25SEK470M
Panasonic
1: $3.41
62In Stock
800On Order
NRND

Mfr. Part #
25SEK470M

Mouser Part #
667-25SEK470M

NRND

Panasonic

Aluminum Organic Polymer Capacitors 25V 470uF 14mOhms SMD 10x13mm

Learn More

Datasheet

62In Stock

800On Order

$3.41

$2.29

$1.96

$1.73

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

470 uF

20 %

25 VDC

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

25SEK82M
Panasonic
1: $1.98
595In Stock
1,000Expected 3/25/2027
NRND

Mfr. Part #
25SEK82M

Mouser Part #
667-25SEK82M

NRND

Panasonic

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

Learn More

Datasheet

595In Stock

1,000Expected 3/25/2027

$1.98

$1.06

$0.963

$0.845

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

82 uF

20 %

25 VDC

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

35SEK330M
Panasonic
1: $3.33
204In Stock
1,000On Order
NRND

Mfr. Part #
35SEK330M

Mouser Part #
667-35SEK330M

NRND

Panasonic

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

Learn More

Datasheet

204In Stock

1,000On Order

$3.33

$2.37

$2.03

$1.73

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

330 uF

20 %

35 VDC

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

50SEK120M
Panasonic
1: $3.24
429In Stock
400Expected 6/10/2027
NRND

Mfr. Part #
50SEK120M

Mouser Part #
667-50SEK120M

NRND

Panasonic

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

Learn More

Datasheet

429In Stock

400Expected 6/10/2027

$3.24

$2.28

$1.79

$1.52

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

Electrolytic Capacitors

Aluminum Polymer Capacitors

Radial

120 uF

20 %

50 VDC

SEK Series Capacitors

Types of Capacitors

Customer Service Office

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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
1000 uF
2200 uF
3300 uF