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 4V 330uF 2917 20% ESR=18mOhms T520V337M004ATE018 KEMET 1: 2,37 € 68In Stock	Mfr. Part No. T520V337M004ATE018 Mouser Part No 80-T520V337M4ATE18	KEMET	Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=18mOhms Learn More about KEMET t520caps	Datasheet	68In Stock	Cut Tape 2,37 € 1,66 € 1,36 € 1,26 € Reel 0,989 € View 1,11 € 0,937 € 0,912 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	330 uF	4 VDC	SMD/SMT	20 %	2917	18 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=7mOhms T520V337M004ATE007 KEMET 1: 2,62 € 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 4/13/2027 2.000 Expected 4/15/2027 Factory Lead Time: 45 Weeks	Cut Tape 2,62 € 1,82 € 1,51 € 1,41 € 1,26 € Reel 1,24 € MouseReel Available	Min.: 1 Mult.: 1 : 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: 2,27 € 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 2,27 € 1,57 € 1,28 € 1,14 € 1,02 € Reel 0,972 € 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: 2,50 € 11In Stock 3.000Expected 3/8/2027	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 3/8/2027	Cut Tape 2,50 € 1,78 € 1,54 € 1,35 € View Reel 1,03 € 1,20 € 1,12 € 1,03 € 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: 2,39 € 1.167In Stock 2.000Expected 3/24/2027	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 3/24/2027	Cut Tape 2,39 € 1,65 € 1,36 € 1,26 € 1,11 € Reel 1,06 € 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 2.5V 1500uF 20% ESR=15mOhms T520X158M2R5ATE015 KEMET 1: 5,99 € 8In Stock 500Expected 4/8/2027	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 4/8/2027	Cut Tape 5,99 € 4,42 € 3,79 € 3,60 € Reel 3,50 € 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: 5,98 € 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 5,98 € 4,41 € 4,01 € 3,66 € 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 € 2.340In Stock 8.000Expected 12/7/2026	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 12/7/2026	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 € 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 5/20/2027 2.000 Expected 6/1/2027 4.000 Expected 6/15/2027 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: 1,52 € 100In Stock 20.000Expected 1/5/2027	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 1/5/2027	Cut Tape 1,52 € 1,03 € 0,857 € 0,767 € View Reel 0,608 € 0,654 € 0,641 € 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 € 476In Stock 5.000Expected 11/26/2026	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	476In Stock 5.000Expected 11/26/2026	Cut Tape 3,41 € 2,46 € 2,13 € 2,03 € Reel 2,03 € 2,02 € 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 € 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 2/1/2027 1.000 Expected 3/18/2027 1.000 Expected 3/29/2027 3.000 Expected 4/12/2027 Factory Lead Time: 43 Weeks	Cut Tape 6,12 € 4,53 € 3,90 € 2,88 € 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 4/12/2027 1.000 Expected 6/23/2027 Factory Lead Time: 44 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	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 € 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 2/8/2027 1.500 Expected 2/23/2027 Factory Lead Time: 44 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 25V 150uF 20% 7343-31 -55 /+125C ESR=40mOhms T521D157M025ATE040 KEMET 1: 2,80 € 43In Stock 10.000On Order	Mfr. Part No. T521D157M025ATE040 Mouser Part No 80-T521D157M25ATE040	KEMET	Tantalum Capacitors - Polymer 25V 150uF 20% 7343-31 -55 /+125C ESR=40mOhms Learn More about KEMET t521 caps	Datasheet	43In Stock 10.000On Order On Order Ship Dates Mfr. No: T521D157M025ATE040 Stock: 43 Can Dispatch Immediately On Order: 1.000 Expected 12/17/2026 5.500 Expected 12/28/2026 3.500 Expected 5/6/2027 Factory Lead Time: 43 Weeks	Cut Tape 2,80 € 2,00 € 1,65 € 1,54 € Reel 1,38 € MouseReel Available	Min.: 1 Mult.: 1 : 500	150 uF	25 VDC	SMD/SMT	20 %	2917	40 mOhms	375 uA	2.8 mm	- 55 C	+ 125 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 € 5,02 € 3,89 € Reel 3,05 € 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: 4,64 € 397In Stock 500Expected 12/24/2026	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 12/24/2026	Cut Tape 4,64 € 3,31 € 2,91 € 2,55 € 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 € 469In Stock 4.000Expected 4/22/2027	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 4/22/2027	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 € 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 4/29/2027 500 Expected 5/6/2027 Factory Lead Time: 52 Weeks	Cut Tape 6,03 € 4,45 € 3,90 € 3,47 € Reel 3,24 € 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: 5,70 € 447In Stock 500Expected 7/20/2027	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	447In Stock 500Expected 7/20/2027	Cut Tape 5,70 € 4,18 € 3,57 € 3,35 € 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	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	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 2/4/2027 5.000 Expected 5/4/2027 Factory Lead Time: 25 Weeks	Cut Tape 2,54 € 1,96 € Reel 1,96 € 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