Tantalum Capacitors - Polymer – Mouser United Kingdom

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Polymer Capacitors Industrial Segment

KEMET Organic Capacitors (KO-CAP®) offer higher voltages in smaller case sizes and are ideal for industrial applications. These capacitors deliver a solution for applications requiring power-loss protection or maximum power efficiency of a circuit when board space is limited. The polymer technology provides these capacitors with extended life capabilities in applications subject to extremely harsh environments.

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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.	Capacitance	Voltage Rating DC	Termination Style	Tolerance	Case Code - in	ESR	Leakage Current	Height	Minimum Operating Temperature	Maximum Operating Temperature	Case Code - mm	Mfr Case Code	Series	Packaging
Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=9mOhms T520V337M2R5ATE009 KEMET 1: £1.68 132In Stock 18,000On Order	Mfr. Part No. T520V337M2R5ATE009 Mouser Part No 80-T520V337M2R5ATE9	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	132In Stock 18,000On Order On Order Ship Dates Mfr. No: T520V337M2R5ATE009 Stock: 132 Can Dispatch Immediately On Order: 4,000 Expected 04/12/2026 10,000 Expected 09/12/2026 4,000 Expected 31/03/2027 Factory Lead Time: 25 Weeks	Cut Tape £1.68 £1.20 £0.986 £0.917 £0.796 Reel £0.759 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,000 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2917	9 mOhms	82.5 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=15mOhms T520V337M2R5ATE015 KEMET 1: £1.75 1,479In Stock	Mfr. Part No. T520V337M2R5ATE015 Mouser Part No 80-T520V337M2R5E15	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=15mOhms Learn More about KEMET t520caps	Datasheet	1,479In Stock	Cut Tape £1.75 £1.20 £0.969 £0.899 £0.788 Reel £0.733 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2917	15 mOhms	82.5 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=7mOhms T520V337M004ATE007 KEMET 1: £2.29 987In Stock 4,000On Order	Mfr. Part No. T520V337M004ATE007 Mouser Part No 80-T520V337M4ATE7	KEMET	Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=7mOhms Learn More about KEMET t520caps	Datasheet	987In Stock 4,000On Order On Order Ship Dates Mfr. No: T520V337M004ATE007 Stock: 987 Can Dispatch Immediately On Order: 2,000 Expected 13/04/2027 2,000 Expected 15/04/2027 Factory Lead Time: 45 Weeks	Cut Tape £2.29 £1.59 £1.32 £1.23 £1.08 Reel £1.03 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,000 : 1,000	330 uF	4 VDC	SMD/SMT	20 %	2917	7 mOhms	132 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=40mOhms T520V337M004ATE040 KEMET 1: £1.98 35In Stock	Mfr. Part No. T520V337M004ATE040 Mouser Part No 80-T520V337M4E40	KEMET	Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=40mOhms Learn More about KEMET t520caps	Datasheet	35In Stock	Cut Tape £1.98 £1.37 £1.12 £0.995 £0.89 Reel £0.849 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	4 VDC	SMD/SMT	20 %	2917	40 mOhms	132 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 470uF 20% ESR=9mOhms T520V477M2R5ATE0097280 KEMET 1: £2.18 11In Stock 3,000Expected 08/03/2027	Mfr. Part No. T520V477M2R5ATE0097280 Mouser Part No 80-T520V477M2R5ATE09	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	11In Stock 3,000Expected 08/03/2027	Cut Tape £2.18 £1.55 £1.34 £1.18 View Reel £0.899 £1.05 £0.978 £0.899 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	470 uF	2.5 VDC	SMD/SMT	20 %	2917	9 mOhms	117.5 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=9mOhms T520V477M2R5ATE009 KEMET 1: £2.09 1,167In Stock 2,000Expected 24/03/2027	Mfr. Part No. T520V477M2R5ATE009 Mouser Part No 80-T520V477M2R5ATE9	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	1,167In Stock 2,000Expected 24/03/2027	Cut Tape £2.09 £1.44 £1.19 £1.10 £0.969 Reel £0.925 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,000 : 1,000	470 uF	2.5 VDC	SMD/SMT	20 %	2917	9 mOhms	117.5 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=12mOhms T520V477M2R5ATE012 KEMET 1: £2.03 912In Stock	Mfr. Part No. T520V477M2R5ATE012 Mouser Part No 80-T520V477M2R5E12	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=12mOhms Learn More about KEMET t520caps	Datasheet	912In Stock	Cut Tape £2.03 £1.46 £1.26 £1.10 £0.986 Reel £0.863 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	470 uF	2.5 VDC	SMD/SMT	20 %	2917	12 mOhms	117.5 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 1500uF 20% ESR=15mOhms T520X158M2R5ATE015 KEMET 1: £5.23 8In Stock 500Expected 08/04/2027	Mfr. Part No. T520X158M2R5ATE015 Mouser Part No 80-T520X158M2R5ATE15	KEMET	Tantalum Capacitors - Polymer 2.5V 1500uF 20% ESR=15mOhms Learn More about KEMET t520caps	Datasheet	8In Stock 500Expected 08/04/2027	Cut Tape £5.23 £3.86 £3.31 £3.14 Reel £3.06 MouseReel Available	Min.: 1 Mult.: 1 : 500	1500 uF	2.5 VDC	SMD/SMT	20 %	2917	15 mOhms	375 uA	4 mm	- 55 C	+ 105 C	7343	X Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 680uF 2917 20% ESR=35mOhms T520X687M004ATE035 KEMET 1: £5.22 28In Stock	Mfr. Part No. T520X687M004ATE035 Mouser Part No 80-T520X687M4E35	KEMET	Tantalum Capacitors - Polymer 4V 680uF 2917 20% ESR=35mOhms Learn More about KEMET t520caps	Datasheet	28In Stock	Cut Tape £5.22 £3.85 £3.50 £3.20 Reel £2.85 MouseReel Available	Min.: 1 Mult.: 1 : 500	680 uF	4 VDC	SMD/SMT	20 %	2917	35 mOhms	272 uA	4 mm	- 55 C	+ 105 C	7343	X Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 1000uF 2917 20% ESR=10mOhms T520Y108M2R5ATE010 KEMET 1: £3.21 137In Stock	Mfr. Part No. T520Y108M2R5ATE010 Mouser Part No 80-T520Y108M2R5ATE10	KEMET	Tantalum Capacitors - Polymer 2.5V 1000uF 2917 20% ESR=10mOhms Learn More about KEMET t520caps	Datasheet	137In Stock	Cut Tape £3.21 £2.29 £1.92 £1.81 Reel £1.70 MouseReel Available	Min.: 1 Mult.: 1 : 500	1000 uF	2.5 VDC	SMD/SMT	20 %	2917	10 mOhms	250 uA	3.8 mm	- 55 C	+ 105 C	7343	Y Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 63V 1.5uF 1311 20% ESR=200mohms T521B155M063ATE200 KEMET 1: £1.19 2,340In Stock 8,000Expected 07/12/2026	Mfr. Part No. T521B155M063ATE200 Mouser Part No 80-T521B155M63ATE200	KEMET	Tantalum Capacitors - Polymer 63V 1.5uF 1311 20% ESR=200mohms Learn More about KEMET t521 caps	Datasheet	2,340In Stock 8,000Expected 07/12/2026	Cut Tape £1.19 £0.626 £0.576 £0.494 £0.468 Reel £0.446 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	1.5 uF	63 VDC	SMD/SMT	20 %	1411	200 mOhms	9.5 uA	2.1 mm	- 55 C	+ 105 C	3528	B Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=100mOhms T521B156M035ATE100 KEMET 1: £0.969 96In Stock 8,000On Order	Mfr. Part No. T521B156M035ATE100 Mouser Part No 80-T521B156M35ATE100	KEMET	Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=100mOhms Learn More about KEMET t521 caps	Datasheet	96In Stock 8,000On Order On Order Ship Dates Mfr. No: T521B156M035ATE100 Stock: 96 Can Dispatch Immediately On Order: 2,000 Expected 20/05/2027 2,000 Expected 01/06/2027 4,000 Expected 15/06/2027 Factory Lead Time: 40 Weeks	Cut Tape £0.969 £0.588 £0.468 £0.391 £0.367 Reel £0.339 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,000 : 2,000	15 uF	35 VDC	SMD/SMT	20 %	1411	100 mOhms	52.5 uA	1.9 mm	- 55 C	+ 125 C	3528	B Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 20V 33uF 20% ESR=90mOhms T521B336M020ATE090 KEMET 1: £1.02 1,570In Stock New At Mouser	Mfr. Part No. T521B336M020ATE090 Mouser Part No 80-T521B336M020ATE90 New At Mouser	KEMET	Tantalum Capacitors - Polymer 20V 33uF 20% ESR=90mOhms Learn More about KEMET t521 caps	Datasheet	1,570In Stock	Cut Tape £1.02 £0.529 £0.485 £0.413 £0.39 Reel £0.371 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	33 uF		SMD/SMT	20 %					- 55 C	+ 105 C			T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=60mOhms T521D107M025ATE060 KEMET 1: £5.34 55In Stock 6,500On Order	Mfr. Part No. T521D107M025ATE060 Mouser Part No 80-T521D107M25ATE060	KEMET	Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=60mOhms Learn More about KEMET t521 caps	Datasheet	55In Stock 6,500On Order On Order Ship Dates Mfr. No: T521D107M025ATE060 Stock: 55 Can Dispatch Immediately On Order: 1,500 Expected 01/02/2027 1,000 Expected 18/03/2027 1,000 Expected 29/03/2027 3,000 Expected 12/04/2027 Factory Lead Time: 43 Weeks	Cut Tape £5.34 £3.95 £3.40 £2.51 Reel £2.28 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,000 : 500	100 uF	25 VDC	SMD/SMT	20 %	2917	60 mOhms	250 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 16V 150uF 20% ESR=40mOhms T521D157M016ATE040 KEMET 1: £2.98 15In Stock 1,500On Order	Mfr. Part No. T521D157M016ATE040 Mouser Part No 80-T521D157M016ATE40	KEMET	Tantalum Capacitors - Polymer 16V 150uF 20% ESR=40mOhms Learn More about KEMET t521 caps	Datasheet	15In Stock 1,500On Order On Order Ship Dates Mfr. No: T521D157M016ATE040 Stock: 15 Can Dispatch Immediately On Order: 500 Expected 12/04/2027 1,000 Expected 23/06/2027 Factory Lead Time: 44 Weeks	Cut Tape £2.98 £2.15 £1.86 £1.64 Reel £1.48 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,000 : 500	150 uF	16 VDC	SMD/SMT	20 %	2917	40 mOhms	240 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 16V 150uF 2917 20% ESR=50mOhms T521D157M016ATE050 KEMET 1: £2.98 46In Stock 2,000On Order	Mfr. Part No. T521D157M016ATE050 Mouser Part No 80-T521D157M016ATE50	KEMET	Tantalum Capacitors - Polymer 16V 150uF 2917 20% ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	46In Stock 2,000On Order On Order Ship Dates Mfr. No: T521D157M016ATE050 Stock: 46 Can Dispatch Immediately On Order: 500 Expected 08/02/2027 1,500 Expected 23/02/2027 Factory Lead Time: 44 Weeks	Cut Tape £2.98 £2.15 £1.86 £1.64 Reel £1.48 MouseReel Available	Min.: 1 Mult.: 1 : 500	150 uF	16 VDC	SMD/SMT	20 %	2917	50 mOhms	240 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 20V 150uF 2917 20% ESR=65mOhms T521D157M020ATE065 KEMET 1: £4.30 598In Stock 1,500Expected 12/04/2027	Mfr. Part No. T521D157M020ATE065 Mouser Part No 80-T521D157M020ATE65	KEMET	Tantalum Capacitors - Polymer 20V 150uF 2917 20% ESR=65mOhms Learn More about KEMET t521 caps	Datasheet	598In Stock 1,500Expected 12/04/2027	Cut Tape £4.30 £3.01 £2.59 £2.29 Reel £2.21 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,000 : 500	150 uF	20 VDC	SMD/SMT	20 %	2917	65 mOhms	300 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 18uF 2917 20% ESR=90mOhms T521D186M050ATE090 KEMET 1: £5.90 345In Stock	Mfr. Part No. T521D186M050ATE090 Mouser Part No 80-T521D186M050ATE90	KEMET	Tantalum Capacitors - Polymer 50V 18uF 2917 20% ESR=90mOhms Learn More about KEMET t521 caps	Datasheet	345In Stock	Cut Tape £5.90 £4.38 £3.40 Reel £2.66 MouseReel Available	Min.: 1 Mult.: 1 : 500	18 uF	50 VDC	SMD/SMT	20 %	2917	90 mOhms	90 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 22uF 2917 20% ESR=40mOhms T521D226M035ATE040 KEMET 1: £4.05 397In Stock 500Expected 17/12/2026	Mfr. Part No. T521D226M035ATE040 Mouser Part No 80-T521D226M035ATE40	KEMET	Tantalum Capacitors - Polymer 35V 22uF 2917 20% ESR=40mOhms Learn More about KEMET t521 caps	Datasheet	397In Stock 500Expected 17/12/2026	Cut Tape £4.05 £2.89 £2.54 £2.23 Reel £2.15 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,000 : 500	22 uF	35 VDC	SMD/SMT	20 %	2917	40 mOhms	77 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 22uF 2917 20% ESR=60mOhms T521D226M035ATE060 KEMET 1: £3.65 469In Stock 4,000Expected 22/04/2027	Mfr. Part No. T521D226M035ATE060 Mouser Part No 80-T521D226M035ATE60	KEMET	Tantalum Capacitors - Polymer 35V 22uF 2917 20% ESR=60mOhms Learn More about KEMET t521 caps	Datasheet	469In Stock 4,000Expected 22/04/2027	Cut Tape £3.65 £2.63 £2.23 £2.18 Reel £2.18 MouseReel Available	Min.: 1 Mult.: 1 : 500	22 uF	35 VDC	SMD/SMT	20 %	2917	60 mOhms	77 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 16V 220uF 7343 20% ESR=25mOhms T521D227M016ATE025 KEMET 1: £5.26 44In Stock 1,500On Order	Mfr. Part No. T521D227M016ATE025 Mouser Part No 80-T521D227M16ATE025	KEMET	Tantalum Capacitors - Polymer 16V 220uF 7343 20% ESR=25mOhms Learn More about KEMET t521 caps	Datasheet	44In Stock 1,500On Order On Order Ship Dates Mfr. No: T521D227M016ATE025 Stock: 44 Can Dispatch Immediately On Order: 1,000 Expected 29/04/2027 500 Expected 06/05/2027 Factory Lead Time: 52 Weeks	Cut Tape £5.26 £3.88 £3.40 £3.03 Reel £2.83 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,000 : 500	220 uF	16 VDC	SMD/SMT	20 %	2815	25 mOhms	352 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=40mOhms T521D336M025ATE040 KEMET 1: £2.54 443In Stock	Mfr. Part No. T521D336M025ATE040 Mouser Part No 80-T521D336M25ATE40	KEMET	Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=40mOhms Learn More about KEMET t521 caps	Datasheet	443In Stock	Cut Tape £2.54 £2.34 £1.37 Reel £1.00 MouseReel Available	Min.: 1 Mult.: 1 : 500	33 uF	25 VDC	SMD/SMT	20 %	2917	40 mOhms	82.5 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 63V 4.7uF 2917 20% ESR=75mOhms T521D475M063ATE075 KEMET 1: £2.22 281In Stock 6,000On Order	Mfr. Part No. T521D475M063ATE075 Mouser Part No 80-T521D475M63ATE075	KEMET	Tantalum Capacitors - Polymer 63V 4.7uF 2917 20% ESR=75mOhms Learn More about KEMET t521 caps	Datasheet	281In Stock 6,000On Order On Order Ship Dates Mfr. No: T521D475M063ATE075 Stock: 281 Can Dispatch Immediately On Order: 1,000 Expected 04/02/2027 5,000 Expected 04/05/2027 Factory Lead Time: 25 Weeks	Cut Tape £2.22 £1.71 Reel £1.71 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,000 : 500	4.7 uF	63 VDC	SMD/SMT	20 %	2917	75 mOhms	29.6 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 47uF 2917 20% ESR=50mOhms T521D476M025ATE065 KEMET 1: £1.96 143In Stock 5,500On Order	Mfr. Part No. T521D476M025ATE065 Mouser Part No 80-T521D476M025ATE65	KEMET	Tantalum Capacitors - Polymer 25V 47uF 2917 20% ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	143In Stock 5,500On Order On Order Ship Dates Mfr. No: T521D476M025ATE065 Stock: 143 Can Dispatch Immediately On Order: 3,500 Expected 24/05/2027 2,000 Expected 26/05/2027 Factory Lead Time: 44 Weeks	Cut Tape £1.96 £1.41 £1.20 £1.07 Reel £0.882 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,000 : 500	47 uF	25 VDC	SMD/SMT	20 %	2917	65 mOhms	117.5 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=40mOhms T521D476M016ATE040 KEMET 1: £2.60 224In Stock	Mfr. Part No. T521D476M016ATE040 Mouser Part No 80-T521D476M16ATE40	KEMET	Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=40mOhms Learn More about KEMET t521 caps	Datasheet	224In Stock	Cut Tape £2.60 £1.83 £1.53 £1.42 Reel £1.26 MouseReel Available	Min.: 1 Mult.: 1 : 500	47 uF	16 VDC	SMD/SMT	20 %	2917	40 mOhms	75.2 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel