Tantalum Capacitors - Polymer

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Polymer Capacitors Cloud & AI Applications

KEMET Organic Capacitors (KO-CAP®) provide an ideal solution for applications requiring power-loss (hold up) protection or maximum power efficiency of a circuit with limited board space. Polymer technology offers high energy density and extended life capabilities, making it a key solution for designers working in cloud infrastructure applications like solid-state drives, 5G, and servers. In addition, with the AI computing edge trend pushing for high power, KEMET KO-CAPs are vital on 12V input and low voltage 1V CPU and I/O 3.3V and 5V power rails. These capacitors offer both long life and high ripple capability.

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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	Qualification	Packaging
Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=60mohms T521D336M025ATE060 KEMET 1: €2.35 1,708In Stock	Mfr. Part No. T521D336M025ATE060 Mouser Part No 80-T521D336M25ATE60	KEMET	Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=60mohms Learn More about KEMET t521 caps	Datasheet	1,708In Stock	Cut Tape €2.35 €1.70 €1.40 €1.31 Reel €1.14 MouseReel Available	Min.: 1 Mult.: 1 : 500	33 uF	25 VDC	SMD/SMT	20 %	2917	60 mOhms	82.5 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 75V 4.7uF 2917 20% ESR=75mOhms T521D475M075ATE075 KEMET 1: €2.84 2,783In Stock 2,000Expected 04/05/2027	Mfr. Part No. T521D475M075ATE075 Mouser Part No 80-T521D475M75ATE75	KEMET	Tantalum Capacitors - Polymer 75V 4.7uF 2917 20% ESR=75mOhms Learn More about KEMET t521 caps	Datasheet	2,783In Stock 2,000Expected 04/05/2027	Cut Tape €2.84 €1.99 €1.64 €1.54 Reel €1.45 MouseReel Available	Min.: 1 Mult.: 1 : 500	4.7 uF	75 VDC	SMD/SMT	20 %	2917	75 mOhms	35.3 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 63V 6.8uF 2917 20% ESR=75mOhms T521D685M063ATE075 KEMET 1: €5.02 3,722In Stock	Mfr. Part No. T521D685M063ATE075 Mouser Part No 80-T521D685M63ATE075	KEMET	Tantalum Capacitors - Polymer 63V 6.8uF 2917 20% ESR=75mOhms Learn More about KEMET t521 caps	Datasheet	3,722In Stock	Cut Tape €5.02 €3.66 €3.12 €2.96 Reel €2.67 MouseReel Available	Min.: 1 Mult.: 1 : 500	6.8 uF	63 VDC	SMD/SMT	20 %	2917	75 mOhms	42.8 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 63V 10uF 2917 20% ESR=50mOhms T521X106M063ATE050 KEMET 1: €6.60 2,309In Stock 2,500Expected 08/04/2027	Mfr. Part No. T521X106M063ATE050 Mouser Part No 80-T521X106M63ATE050	KEMET	Tantalum Capacitors - Polymer 63V 10uF 2917 20% ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	2,309In Stock 2,500Expected 08/04/2027	Cut Tape €6.60 €4.90 €4.39 €4.16 Reel €3.68 MouseReel Available	Min.: 1 Mult.: 1 : 500	10 uF	63 VDC	SMD/SMT	20 %	2917	50 mOhms	63 uA	4 mm	- 55 C	+ 125 C	7343	X Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 63V 15uF 2917 20% ESR=150mOhms T521X156M063ATE150 KEMET 1: €6.30 604In Stock 3,000On Order	Mfr. Part No. T521X156M063ATE150 Mouser Part No 80-T521X156M63ATE150	KEMET	Tantalum Capacitors - Polymer 63V 15uF 2917 20% ESR=150mOhms Learn More about KEMET t521 caps	Datasheet	604In Stock 3,000On Order On Order Ship Dates Mfr. No: T521X156M063ATE150 Stock: 604 Can Dispatch Immediately On Order: 1,500 Expected 25/03/2027 1,500 Expected 22/04/2027 Factory Lead Time: 26 Weeks	Cut Tape €6.30 €4.67 €4.02 €3.82 Reel €3.47 MouseReel Available	Min.: 1 Mult.: 1 : 500	15 uF	63 VDC	SMD/SMT	20 %	2917	150 mOhms	94.5 uA	4 mm	- 55 C	+ 125 C	7343	X Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 22uF 20% ESR=50mOhms T521X226M050ATE050 KEMET 1: €4.40 1,335In Stock 5,500On Order	Mfr. Part No. T521X226M050ATE050 Mouser Part No 80-T521X226M050ATE50	KEMET	Tantalum Capacitors - Polymer 50V 22uF 20% ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	1,335In Stock 5,500On Order On Order Ship Dates Mfr. No: T521X226M050ATE050 Stock: 1,335 Can Dispatch Immediately On Order: 500 Expected 25/05/2027 5,000 Expected 17/06/2027 Factory Lead Time: 26 Weeks	Cut Tape €4.40 €3.09 €2.66 €2.43 Reel €2.26 MouseReel Available	Min.: 1 Mult.: 1 : 500	22 uF	50 VDC	SMD/SMT	20 %	2917	50 mOhms	110 uA	4 mm	- 55 C	+ 125 C	7343	X Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 63V 22uF 2917 20% ESR=75mOhms T521X226M063ATE075 KEMET 1: €8.45 2,458In Stock 18,000Expected 22/04/2027	Mfr. Part No. T521X226M063ATE075 Mouser Part No 80-T521X226M63ATE075	KEMET	Tantalum Capacitors - Polymer 63V 22uF 2917 20% ESR=75mOhms Learn More about KEMET t521 caps	Datasheet	2,458In Stock 18,000Expected 22/04/2027	Cut Tape €8.45 €6.30 €5.56 €4.98 Reel €4.90 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,000 : 500	22 uF	63 VDC	SMD/SMT	20 %	2917	75 mOhms	138.6 uA	4 mm	- 55 C	+ 125 C	7343	X Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 16Vol 330uF 2912 20% ESR=25mOhms T521X337M016ATK025 KEMET 1: €7.10 634In Stock 1,500On Order	Mfr. Part No. T521X337M016ATK025 Mouser Part No 80-T521X337M016ATK25	KEMET	Tantalum Capacitors - Polymer 16Vol 330uF 2912 20% ESR=25mOhms Learn More about KEMET t521 caps	Datasheet	634In Stock 1,500On Order On Order Ship Dates Mfr. No: T521X337M016ATK025 Stock: 634 Can Dispatch Immediately On Order: 500 Expected 28/01/2027 1,000 Expected 04/03/2027 Factory Lead Time: 26 Weeks	Cut Tape €7.10 €5.28 €4.56 €4.29 Reel €3.95 MouseReel Available	Min.: 1 Mult.: 1 : 500	330 uF	16 VDC	SMD/SMT	20 %	2917	25 mOhms	528 uA		- 55 C	+ 125 C	7343	X Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 1500uF 2924 20% ESR=55mOhms T545H158M006ATE055 KEMET 1: €5.24 563In Stock	Mfr. Part No. T545H158M006ATE055 Mouser Part No 80-T545H158M006ATE55	KEMET	Tantalum Capacitors - Polymer 6.3V 1500uF 2924 20% ESR=55mOhms Learn More about KEMET ssd ko cap polymer capacitors	Datasheet	563In Stock	Cut Tape €5.24 €3.84 €3.28 €3.10 €2.90 Reel €2.90 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	1500 uF	6.3 VDC	SMD/SMT	20 %	2924	55 mOhms	945 uA	1.9 mm	- 55 C	+ 85 C	7360	H Case	T545		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 150uF 1380 20% ESR=45mOhms AEC-Q200 T591B157M006ATE045 KEMET 1: €1.18 5,700In Stock	Mfr. Part No. T591B157M006ATE045 Mouser Part No 80-T591B157M006ATE45	KEMET	Tantalum Capacitors - Polymer 6.3V 150uF 1380 20% ESR=45mOhms AEC-Q200 Learn More about KEMET t591 auto caps	Datasheet	5,700In Stock	Cut Tape €1.18 €0.617 €0.566 €0.482 €0.455 Reel €0.429 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	150 uF	6.3 VDC	SMD/SMT	20 %	1311	45 mOhms	94.5 uA	1.9 mm	- 55 C	+ 125 C	3528	B Case	T591		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms AEC-Q200 T591D106M050ATE090 KEMET 1: €2.18 3,795In Stock 2,500Expected 28/12/2026	Mfr. Part No. T591D106M050ATE090 Mouser Part No 80-T591D106M050ATE90	KEMET	Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms AEC-Q200 Learn More about KEMET t591 auto caps	Datasheet	3,795In Stock 2,500Expected 28/12/2026	Cut Tape €2.18 €1.50 €1.23 €1.14 Reel €1.00 MouseReel Available	Min.: 1 Mult.: 1 : 500	10 uF	50 VDC	SMD/SMT	20 %	2917	90 mOhms	50 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T591		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 10V 100uF 2917 20% ESR=40mOhms AEC-Q200 T591D107M010ATE040 KEMET 1: €1.38 3,144In Stock	Mfr. Part No. T591D107M010ATE040 Mouser Part No 80-T591D107M010E40	KEMET	Tantalum Capacitors - Polymer 10V 100uF 2917 20% ESR=40mOhms AEC-Q200 Learn More about KEMET t591 auto caps	Datasheet	3,144In Stock	Cut Tape €1.38 €0.73 €0.673 Reel €0.583 €0.576 €0.575 MouseReel Available	Min.: 1 Mult.: 1 : 500	100 uF	10 VDC	SMD/SMT	20 %	2917	40 mOhms	100 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T591		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 10V 220uF 2917 20% ESR=25mOhms AEC-Q200 T591D227M010ATE025 KEMET 1: €2.00 2,998In Stock 4,000Expected 11/02/2027	Mfr. Part No. T591D227M010ATE025 Mouser Part No 80-T591D227M010ATE25	KEMET	Tantalum Capacitors - Polymer 10V 220uF 2917 20% ESR=25mOhms AEC-Q200 Learn More about KEMET t591 auto caps	Datasheet	2,998In Stock 4,000Expected 11/02/2027	Cut Tape €2.00 €1.36 €1.11 €1.02 Reel €0.886 MouseReel Available	Min.: 1 Mult.: 1 : 500	220 uF	10 VDC	SMD/SMT	20 %	2917	25 mOhms	220 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T591		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 10uF 20% ESR=90mOhms AEC-Q200 T598D106M050ATE090 KEMET 1: €2.53 2,990In Stock	Mfr. Part No. T598D106M050ATE090 Mouser Part No 80-T598D106M050ATE90	KEMET	Tantalum Capacitors - Polymer 50V 10uF 20% ESR=90mOhms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	2,990In Stock	Cut Tape €2.53 €1.75 €1.44 €1.34 Reel €1.17 MouseReel Available	Min.: 1 Mult.: 1 : 500	10 uF	50 VDC	SMD/SMT	20 %	2917	90 mOhms	50 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 10V 100uF 2917 20% ESR=40mOhms AEC-Q200 T598D107M010ATE040 KEMET 1: €1.49 8,340In Stock 12,000Expected 11/02/2027	Mfr. Part No. T598D107M010ATE040 Mouser Part No 80-T598D107M010E040	KEMET	Tantalum Capacitors - Polymer 10V 100uF 2917 20% ESR=40mOhms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	8,340In Stock 12,000Expected 11/02/2027	Cut Tape €1.49 €1.08 €0.92 €0.813 Reel €0.68 View €0.637 €0.623 €0.61 MouseReel Available	Min.: 1 Mult.: 1 : 500	100 uF	10 VDC	SMD/SMT	20 %	2917	40 mOhms	100 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 10V 150uF 7343 20% ESR=25mOhms AEC-Q200 T598D157M010ATE025 KEMET 1: €1.87 2,299In Stock	Mfr. Part No. T598D157M010ATE025 Mouser Part No 80-T598D157M10ATE025	KEMET	Tantalum Capacitors - Polymer 10V 150uF 7343 20% ESR=25mOhms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	2,299In Stock	Cut Tape €1.87 €1.32 €1.12 €0.989 Reel €0.857 MouseReel Available	Min.: 1 Mult.: 1 : 500	150 uF	10 VDC	SMD/SMT	20 %	2917	25 mOhms	150 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 330uF 2917 20% ESR=25mOhms AEC-Q200 T598D337M006ATE025 KEMET 1: €1.69 14,768In Stock 50,500Expected 17/12/2026	Mfr. Part No. T598D337M006ATE025 Mouser Part No 80-T598D337M006E025	KEMET	Tantalum Capacitors - Polymer 6.3V 330uF 2917 20% ESR=25mOhms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	14,768In Stock 50,500Expected 17/12/2026	Cut Tape €1.69 €1.17 €0.998 €0.877 Reel €0.737 €0.736 MouseReel Available	Min.: 1 Mult.: 1 : 500	330 uF	6.3 VDC	SMD/SMT	20 %	2917	25 mOhms	207.9 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 10uF 2917 20% ESR=120mOhm AEC-Q200 T598V106M035ATE120 KEMET 1: €2.31 1,446In Stock	Mfr. Part No. T598V106M035ATE120 Mouser Part No 80-T598V106M035E120	KEMET	Tantalum Capacitors - Polymer 35V 10uF 2917 20% ESR=120mOhm AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	1,446In Stock	Cut Tape €2.31 €1.59 €1.31 €1.22 €1.07 Reel €1.02 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	10 uF	35 VDC	SMD/SMT	20 %	2917	120 mOhms	35 uA	1.9 mm	- 55 C	+ 125 C	7343	V Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 63V 15 uF AEC-Q200 20% ESR=75mOhms AEC-Q200 T598X156M063ATE075 KEMET 1: €4.64 1,011In Stock 1,000Expected 06/05/2027	Mfr. Part No. T598X156M063ATE075 Mouser Part No 80-T598X156M63ATE075	KEMET	Tantalum Capacitors - Polymer 63V 15 uF AEC-Q200 20% ESR=75mOhms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	1,011In Stock 1,000Expected 06/05/2027	Cut Tape €4.64 €3.36 €2.86 €2.70 Reel €2.58 MouseReel Available	Min.: 1 Mult.: 1 : 500	15 uF	63 VDC	SMD/SMT	20 %	2917	75 mOhms	94.5 uA		- 55 C	+ 125 C	7343	X Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 47uF 7343 20% ESR=0.075Ohms AEC-Q200 T598X476M035ATE075 KEMET 1: €4.09 3,270In Stock	Mfr. Part No. T598X476M035ATE075 Mouser Part No 80-T598X476M035ATE75	KEMET	Tantalum Capacitors - Polymer 35V 47uF 7343 20% ESR=0.075Ohms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	3,270In Stock	Cut Tape €4.09 €2.92 €2.47 €2.32 Reel €2.07 MouseReel Available	Min.: 1 Mult.: 1 : 500	47 uF	35 VDC	SMD/SMT	20 %	2917	700 kOhms	164.5 mA	4 mm	- 55 C	+ 125 C	7343	X Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 16V 10uF 20% 105C 3216 ESR=200mOhms T521A106M016ATE200 KEMET 1: €1.23 840In Stock 2,000Expected 23/02/2027	Mfr. Part No. T521A106M016ATE200 Mouser Part No 80-T521A106M16ATE200	KEMET	Tantalum Capacitors - Polymer 16V 10uF 20% 105C 3216 ESR=200mOhms Learn More about KEMET t521 caps	Datasheet	840In Stock 2,000Expected 23/02/2027	Cut Tape €1.23 €0.641 €0.627 €0.525 €0.475 Reel €0.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	10 uF	16 VDC	SMD/SMT	20 %	1206	200 mOhms	16 uA	1.6 mm	- 55 C	+ 105 C	3216	A Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 10uF 20% 3216-18 -55 /+105C ESR=150mOhms T521A106M025ATE150 KEMET 1: €0.98 1,448In Stock 10,000On Order	Mfr. Part No. T521A106M025ATE150 Mouser Part No 80-T521A106M25ATE150	KEMET	Tantalum Capacitors - Polymer 25V 10uF 20% 3216-18 -55 /+105C ESR=150mOhms Learn More about KEMET t521 caps	Datasheet	1,448In Stock 10,000On Order On Order Ship Dates Mfr. No: T521A106M025ATE150 Stock: 1,448 Can Dispatch Immediately On Order: 4,000 Expected 28/12/2026 6,000 Expected 01/02/2027 Factory Lead Time: 25 Weeks	Cut Tape €0.98 €0.507 €0.464 €0.39 €0.363 Reel €0.339 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	10 uF	25 VDC	SMD/SMT	20 %	1206	150 mOhms	25 uA	1.6 mm	- 55 C	+ 125 C	3216	A Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 20V 33uF ESR=70mOhms High Volt T521B336M020ATE070 KEMET 1: €1.17 2,900In Stock New Product	Mfr. Part No. T521B336M020ATE070 Mouser Part No 80-T521B336M20ATE070 New Product	KEMET	Tantalum Capacitors - Polymer 20V 33uF ESR=70mOhms High Volt Learn More about KEMET t521 caps	Datasheet	2,900In Stock	Cut Tape €1.17 €0.606 €0.556 €0.473 Reel €0.464 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	33 uF	20 VDC	SMD/SMT	20 %	1411	70 mOhms		1.9 mm	- 55 C		3528	B Code	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 47uF 20% 7343-20 -55 /+105C ESR=100mOhms T521V476M035ATE100 KEMET 1: €2.22 781In Stock 1,000Expected 04/01/2027	Mfr. Part No. T521V476M035ATE100 Mouser Part No 80-T521V476M35ATE100	KEMET	Tantalum Capacitors - Polymer 35V 47uF 20% 7343-20 -55 /+105C ESR=100mOhms Learn More about KEMET t521 caps	Datasheet	781In Stock 1,000Expected 04/01/2027	Cut Tape €2.22 €1.53 €1.25 €1.16 €1.02 Reel €0.963 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	47 uF	35 VDC	SMD/SMT	20 %	2917	100 mOhms	164.5 uA	1.8 mm	- 55 C	+ 125 C	7343	V Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 20V 100uF 20% 100mOhms -55C/+125C T523W107M020APE100 KEMET 1: €3.03 677In Stock 5,000Expected 02/09/2027	Mfr. Part No. T523W107M020APE100 Mouser Part No 80-T523W107M20APE100	KEMET	Tantalum Capacitors - Polymer 20V 100uF 20% 100mOhms -55C/+125C Learn More about KEMET t523 capacitors	Datasheet	677In Stock 5,000Expected 02/09/2027	Cut Tape €3.03 €2.17 €1.80 €1.67 Reel €1.43 View €1.49 €1.35 €1.32 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	100 uF	20 VDC	SMD/SMT	20 %	2815	100 mOhms	200 uA	1.4 mm	- 55 C	+ 125 C	7343	W Case	T523		Reel, Cut Tape, MouseReel