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SEK Series Capacitors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Termination Style	Capacitance	Tolerance	Voltage Rating DC
Aluminium Electrolytic Capacitors - Radial Leaded 35V 220uF 10X13 SEK221M035ST Knowles / Illinois Capacitor 1: £1.06 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	£1.06 £0.555 £0.441	Min.: 1 Mult.: 1	Electrolytic Capacitors	General Purpose Electrolytic Capacitors	Radial	220 uF	20 %	35 VDC
Aluminium Electrolytic Capacitors - Radial Leaded ALUM 35V 330uF SEK331M035ST Knowles / Illinois Capacitor 1: £0.995 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	£0.995 £0.663 £0.507 £0.488 View £0.464 £0.427 £0.393 £0.39	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: £0.63 9,408In Stock	Mfr. Part No. SEK101M035ST Mouser Part No 539-SEK35V100	Knowles / Illinois Capacitor	Aluminium Electrolytic Capacitors - Radial Leaded 100uF 35V RADIAL	Datasheet	9,408In Stock	£0.63 £0.342 £0.301 £0.223 View £0.207 £0.192 £0.19	Min.: 1 Mult.: 1	Electrolytic Capacitors	General Purpose Electrolytic Capacitors	Radial	100 uF	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 6,097In 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	£1.68 £1.18 £0.96 £0.871	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: £0.623 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	£0.623 £0.388 £0.345 £0.322 View £0.313 £0.289 £0.245 £0.244	Min.: 1 Mult.: 1	Electrolytic Capacitors	General Purpose Electrolytic Capacitors	Radial	47 uF	20 %	100 VDC
Aluminium Electrolytic Capacitors - Radial Leaded ALUM 35V 4700uF 105% SEK472M035ST Knowles / Illinois Capacitor 1: £5.00 1,967In Stock	Mfr. Part No. SEK472M035ST Mouser Part No 539-SEK35V4700	Knowles / Illinois Capacitor	Aluminium Electrolytic Capacitors - Radial Leaded ALUM 35V 4700uF 105%	Datasheet	1,967In Stock	£5.00 £3.68 £3.06 £2.60 £2.46	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: £1.90 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	£1.90 £1.68 £1.25 £1.15 View £1.07 £1.01	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 £0.444 £0.443 £0.399	Min.: 1 Mult.: 1	Electrolytic Capacitors	General Purpose Electrolytic Capacitors	Radial	330 uF	20 %	25 VDC
Aluminium Electrolytic Capacitors - Radial Leaded 3.3uF 50V RADIAL 20% SEK3R3M050ST Knowles / Illinois Capacitor 1: £0.488 1,249In 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	1,249In Stock	£0.488 £0.325 £0.202 £0.168 View £0.142 £0.137	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 £1.87 £1.64 £1.47 View £1.24 £1.20	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: £1.19 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	£1.19 £0.826 £0.608	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: £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 £1.54 £1.42 £1.41	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: £1.41 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 about Panasonic Industry panasonic sek capacitors	Datasheet	446In Stock	£1.41 £0.969 £0.788 £0.656	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: £1.63 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 about Panasonic Industry panasonic sek capacitors	Datasheet	231In Stock	£1.63 £1.15 £0.899 £0.759	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: £1.68 542In 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 about Panasonic Industry panasonic sek capacitors	Datasheet	542In Stock	£1.68 £1.15 £0.899 £0.863	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: £2.29 648In Stock 600Expected 12/08/2027 NRND	Mfr. Part No. 35SEK330M Mouser Part No 667-35SEK330M NRND	Panasonic Industry	Aluminium Organic Polymer Capacitors 35V 330uF 18mOhms SMD 10x13mm Learn More about Panasonic Industry panasonic sek capacitors	Datasheet	648In Stock 600Expected 12/08/2027	£2.29 £1.53 £1.29 £1.10	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: £1.20 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 about Panasonic Industry panasonic sek capacitors	Datasheet	1,565In Stock 3,000On Order	£1.20 £0.62 £0.563 £0.464	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: £1.48 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 about Panasonic Industry panasonic sek capacitors	Datasheet	145In Stock	£1.48 £0.978 £0.803 £0.701	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: £2.10 399In 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 about Panasonic Industry panasonic sek capacitors	Datasheet	399In Stock 400Expected 10/06/2027	£2.10 £1.50 £1.21 £1.03	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: £1.15 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 about Panasonic Industry panasonic sek capacitors	Datasheet	1,127In Stock	£1.15 £0.657 £0.592 £0.491 £0.469	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: £1.48 29In 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 about Panasonic Industry panasonic sek capacitors	Datasheet	29In Stock 1,000Expected 02/11/2026	£1.48 £0.978 £0.834 £0.722	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: £1.84 15In Stock 400Expected 30/09/2027 NRND	Mfr. Part No. 50SEK68M Mouser Part No 667-50SEK68M NRND	Panasonic Industry	Aluminium Organic Polymer Capacitors 50V 68uF 25mOhms SMD 8x12mm Learn More about Panasonic Industry panasonic sek capacitors	Datasheet	15In Stock 400Expected 30/09/2027	£1.84 £1.21 £1.02 £0.89	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: £0.63 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	£0.63 £0.308 £0.276 £0.221 View £0.203 £0.193	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: £0.952 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	£0.952 £0.492 £0.444 £0.362 £0.347	Min.: 1 Mult.: 1	Electrolytic Capacitors	General Purpose Electrolytic Capacitors	Radial	100 uF	20 %	50 VDC

SEK Series Capacitors

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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
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470 uF
1 mF
2.2 mF
3.3 mF