Tantalum Capacitors - Polymer

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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 (EUR) 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 470uF 2917 20% ESR=9mOhms T520V477M2R5ATE009 KEMET 1: € 2,50 240In 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	240In Stock 2 000Expected 24/03/2027	Cut Tape € 2,50 € 1,78 € 1,54 € 1,35 € 1,20 Reel € 1,16 MouseReel Available	Min.: 1 Mult.: 1 : 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: € 2,32 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 € 2,32 € 1,67 € 1,44 € 1,26 € 1,13 Reel € 0,989 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 4V 680uF 2917 20% ESR=35mOhms T520X687M004ATE035 KEMET 1: € 5,98 14In 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	14In Stock	Cut Tape € 5,98 € 4,85 € 4,04 € 3,58 Reel € 3,26 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: € 3,68 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 € 3,68 € 2,62 € 2,20 € 2,07 Reel € 1,96 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: € 1,36 1 007In 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	1 007In Stock 8 000Expected 07/12/2026	Cut Tape € 1,36 € 0,717 € 0,66 € 0,566 € 0,536 Reel € 0,511 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: € 1,11 313In 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	313In Stock 8 000On Order On Order Ship Dates Mfr. No: T521B156M035ATE100 Stock: 313 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 € 1,11 € 0,673 € 0,536 € 0,448 € 0,421 Reel € 0,388 MouseReel Available	Min.: 1 Mult.: 1 : 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: € 1,17 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 € 1,17 € 0,606 € 0,556 € 0,473 € 0,447 Reel € 0,425 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 16V 47uF 20% 55mOhms -55C/+125C T521B476M016ATE055 KEMET 1: € 1,54 100In Stock 20 000Expected 05/01/2027	Mfr. Part No. T521B476M016ATE055 Mouser Part No 80-T521B476M016ATE55	KEMET	Tantalum Capacitors - Polymer 16V 47uF 20% 55mOhms -55C/+125C Learn More about KEMET t521 caps	Datasheet	100In Stock 20 000Expected 05/01/2027	Cut Tape € 1,54 € 1,06 € 0,903 € 0,786 View Reel € 0,608 € 0,68 € 0,643 € 0,608 MouseReel Available	Min.: 1 Mult.: 1 : 2 000	47 uF	16 VDC	SMD/SMT	20 %	1311	55 mOhms	75.2 uA	1.9 mm	- 55 C	+ 125 C	3528	B Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=40mOhms T521D107M025ATE0407280 KEMET 1: € 3,41 88In Stock 5 000Expected 06/01/2027	Mfr. Part No. T521D107M025ATE0407280 Mouser Part No 80-T521D107M25AT7280	KEMET	Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=40mOhms Learn More about KEMET t521 caps	Datasheet	88In Stock 5 000Expected 06/01/2027	Cut Tape € 3,41 € 2,46 € 2,13 Reel € 2,13 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	100 uF	25 VDC	SMD/SMT	20 %	2917	40 mOhms	250 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=60mOhms T521D107M025ATE060 KEMET 1: € 6,12 6 473On 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	6 473On Order On Order Ship Dates Mfr. No: T521D107M025ATE060 Stock: 0 On Order: 1 473 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 € 6,12 € 4,53 € 3,90 € 2,61 Reel € 2,61 MouseReel Available	Min.: 1 Mult.: 1 : 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: € 3,41 7In 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	7In Stock 1 500On Order On Order Ship Dates Mfr. No: T521D157M016ATE040 Stock: 7 Can Dispatch Immediately On Order: 500 Expected 12/04/2027 1 000 Expected 23/06/2027 Factory Lead Time: 26 Weeks	Cut Tape € 3,41 € 2,46 € 2,19 € 1,88 Reel € 1,69 MouseReel Available	Min.: 1 Mult.: 1 : 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: € 3,41 92In 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	92In Stock 2 000On Order On Order Ship Dates Mfr. No: T521D157M016ATE050 Stock: 92 Can Dispatch Immediately On Order: 500 Expected 08/02/2027 1 500 Expected 23/02/2027 Factory Lead Time: 26 Weeks	Cut Tape € 3,41 € 2,46 € 2,13 € 1,88 Reel € 1,69 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: € 4,92 57In Stock 5 697On Order	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	57In Stock 5 697On Order On Order Ship Dates Mfr. No: T521D157M020ATE065 Stock: 57 Can Dispatch Immediately On Order: 1 197 Expected 12/04/2027 1 500 Expected 05/08/2027 3 000 Expected 17/08/2027 Factory Lead Time: 26 Weeks	Cut Tape € 4,92 € 3,45 € 2,97 € 2,62 Reel € 2,53 MouseReel Available	Min.: 1 Mult.: 1 : 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: € 6,76 310In 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	310In Stock	Cut Tape € 6,76 € 5,29 € 3,96 Reel € 3,08 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: € 4,74 397In Stock 500Expected 24/12/2026	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 24/12/2026	Cut Tape € 4,74 € 3,39 € 2,91 € 2,61 Reel € 2,46 MouseReel Available	Min.: 1 Mult.: 1 : 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: € 4,18 445In Stock 4 000Expected 23/02/2027	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	445In Stock 4 000Expected 23/02/2027	Cut Tape € 4,18 € 3,01 € 2,55 € 2,50 Reel € 2,50 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: € 6,03 27In Stock 1 500Expected 23/02/2027	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	27In Stock 1 500Expected 23/02/2027	Cut Tape € 6,03 € 4,45 € 3,90 € 3,50 Reel € 3,29 MouseReel Available	Min.: 1 Mult.: 1 : 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 16V 220uF 7343 20% ESR=50mOhms T521D227M016ATE050 KEMET 1: € 5,76 182In Stock 1 500On Order	Mfr. Part No. T521D227M016ATE050 Mouser Part No 80-T521D227M16ATE050	KEMET	Tantalum Capacitors - Polymer 16V 220uF 7343 20% ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	182In Stock 1 500On Order On Order Ship Dates Mfr. No: T521D227M016ATE050 Stock: 182 Can Dispatch Immediately On Order: 1 000 Expected 28/06/2027 500 Expected 20/07/2027 Factory Lead Time: 26 Weeks	Cut Tape € 5,76 € 4,25 € 3,73 € 3,38 Reel € 3,14 MouseReel Available	Min.: 1 Mult.: 1 : 500	220 uF	16 VDC	SMD/SMT	20 %	2815	50 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: € 2,91 343In Stock 500Expected 18/05/2027	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	343In Stock 500Expected 18/05/2027	Cut Tape € 2,91 € 2,68 € 1,57 Reel € 1,15 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: € 2,54 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 23/02/2027 Factory Lead Time: 26 Weeks	Cut Tape € 2,54 € 2,01 Reel € 2,01 MouseReel Available	Min.: 1 Mult.: 1 : 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: € 2,26 590In 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	590In Stock 5 500On Order On Order Ship Dates Mfr. No: T521D476M025ATE065 Stock: 590 Can Dispatch Immediately On Order: 3 500 Expected 24/05/2027 2 000 Expected 26/05/2027 Factory Lead Time: 26 Weeks	Cut Tape € 2,26 € 1,61 € 1,38 € 1,22 Reel € 1,01 MouseReel Available	Min.: 1 Mult.: 1 : 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: € 2,98 24In 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	24In Stock	Cut Tape € 2,98 € 2,10 € 1,95 € 1,72 Reel € 1,44 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
Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=55mOhms T521D476M020ATE055 KEMET 1: € 2,84 26In Stock 3 500Expected 14/09/2027	Mfr. Part No. T521D476M020ATE055 Mouser Part No 80-T521D476M20ATE55	KEMET	Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=55mOhms Learn More about KEMET t521 caps	Datasheet	26In Stock 3 500Expected 14/09/2027	Cut Tape € 2,84 € 1,99 € 1,65 € 1,54 Reel € 1,36 MouseReel Available	Min.: 1 Mult.: 1 : 500	47 uF	20 VDC	SMD/SMT	20 %	2917	55 mOhms	94 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 6.8uF 2917 20% ESR=70mOhms T521D685M050ATE070 KEMET 1: € 2,49 10In Stock	Mfr. Part No. T521D685M050ATE070 Mouser Part No 80-T521D685M50ATE70	KEMET	Tantalum Capacitors - Polymer 50V 6.8uF 2917 20% ESR=70mOhms Learn More about KEMET t521 caps	Datasheet	10In Stock	Cut Tape € 2,49 € 1,73 € 1,43 € 1,33 Reel € 1,16 MouseReel Available	Min.: 1 Mult.: 1 : 500	6.8 uF	50 VDC	SMD/SMT	20 %	2917	70 mOhms	34 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 68uF 20% ESR=70mOhms T521D686M025ATE070 KEMET 1: € 4,76 131In Stock 1 000On Order	Mfr. Part No. T521D686M025ATE070 Mouser Part No 80-T521D686M025ATE70	KEMET	Tantalum Capacitors - Polymer 25V 68uF 20% ESR=70mOhms Learn More about KEMET t521 caps	Datasheet	131In Stock 1 000On Order On Order Ship Dates Mfr. No: T521D686M025ATE070 Stock: 131 Can Dispatch Immediately On Order: 500 Expected 08/03/2027 500 Expected 21/05/2027 Factory Lead Time: 26 Weeks	Cut Tape € 4,76 € 3,46 € 2,93 € 2,78 Reel € 2,49 View € 2,37 € 2,32 MouseReel Available	Min.: 1 Mult.: 1 : 500	68 uF	25 VDC	SMD/SMT	20 %	2917	70 mOhms	170 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel