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.	RoHS	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 6.3V 470uF 20% ESR=18mOhms T520X477M006AHE018 KEMET 1: 7,28 € 340In Stock	Mfr. Part No. T520X477M006AHE018 Mouser Part No 80-T520X477M06AHE018	KEMET	Tantalum Capacitors - Polymer 6.3V 470uF 20% ESR=18mOhms Learn More about KEMET t520caps	Datasheet	340In Stock	Cut Tape 7,28 € 5,46 € 4,73 € 4,50 € Reel 4,11 € MouseReel Available	Min.: 1 Mult.: 1 : 500	No	470 uF	6.3 VDC	SMD/SMT	20 %	2917	18 mOhms	296.1 uA	4 mm	- 55 C	+ 105 C	7343	X Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 33uF 1206 20% ESR=70mOhms T520A336M004ATE070 KEMET 1: 0,86 € 1 770In Stock	Mfr. Part No. T520A336M004ATE070 Mouser Part No 80-T520A336M4ATE70	KEMET	Tantalum Capacitors - Polymer 4V 33uF 1206 20% ESR=70mOhms Learn More about KEMET t520caps	Datasheet	1 770In Stock	Cut Tape 0,86 € 0,581 € 0,423 € 0,351 € 0,327 € Reel 0,313 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000		33 uF	4 VDC	SMD/SMT	20 %	1206	70 mOhms	13.2 uA	1.6 mm	- 55 C	+ 105 C	3216	A Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 150uF 2312 20% ESR=45mOhms T520C157M004ATE045 KEMET 1: 1,22 € 500In Stock	Mfr. Part No. T520C157M004ATE045 Mouser Part No 80-T520C157M4ATE45	KEMET	Tantalum Capacitors - Polymer 4V 150uF 2312 20% ESR=45mOhms Learn More about KEMET t520caps	Datasheet	500In Stock	Cut Tape 1,22 € 0,85 € 0,627 € Reel 0,524 € MouseReel Available	Min.: 1 Mult.: 1 : 500		150 uF	4 VDC	SMD/SMT	20 %	2312	45 mOhms	60 uA	2.5 mm	- 55 C	+ 105 C	6032	C Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 470uF 2312 20% ESR=45mOhms T520C477M2R5ATE045 KEMET 1: 1,37 € 465In Stock	Mfr. Part No. T520C477M2R5ATE045 Mouser Part No 80-T520C477M2R5ATE45	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 2312 20% ESR=45mOhms Learn More about KEMET t520caps	Datasheet	465In Stock	Cut Tape 1,37 € 0,955 € 0,702 € Reel 0,528 € MouseReel Available	Min.: 1 Mult.: 1 : 500		470 uF	2.5 VDC	SMD/SMT	20 %	2312	45 mOhms	117.5 uA	2.5 mm	- 55 C	+ 105 C	6032	C Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3 VDC 100uF 2312 20% ESR=45mOhms T520C107M006AHE045 KEMET 1: 1,49 € 516In Stock	Mfr. Part No. T520C107M006AHE045 Mouser Part No 80-T520C107M006HE045	KEMET	Tantalum Capacitors - Polymer 6.3 VDC 100uF 2312 20% ESR=45mOhms Learn More about KEMET t520caps	Datasheet	516In Stock	Cut Tape 1,49 € 1,02 € 0,877 € 0,763 € Reel 0,645 € MouseReel Available	Min.: 1 Mult.: 1 : 500		100 uF	6.3 VDC	SMD/SMT	20 %	2312	45 mOhms	63 uA	2.5 mm	- 55 C	+ 105 C	6032	C Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 220uF 2917 20% ESR=7mOhms T520D227M006ATE007 KEMET 1: 2,25 € 78In Stock	Mfr. Part No. T520D227M006ATE007 Mouser Part No 80-T520D227M6ATE07	KEMET	Tantalum Capacitors - Polymer 6.3V 220uF 2917 20% ESR=7mOhms Learn More about KEMET t520caps	Datasheet	78In Stock	Cut Tape 2,25 € 1,60 € 1,38 € 1,21 € Reel 1,09 € MouseReel Available	Min.: 1 Mult.: 1 : 500		220 uF	6.3 VDC	SMD/SMT	20 %	2917	7 mOhms	138.6 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=18mOhms T520V337M2R5ATE018 KEMET 1: 2,09 € 862In Stock	Mfr. Part No. T520V337M2R5ATE018 Mouser Part No 80-T520V337M2R5ATE18	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=18mOhms Learn More about KEMET t520caps	Datasheet	862In Stock	Cut Tape 2,09 € 2,00 € 1,69 € 1,53 € Reel 0,766 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000		330 uF	2.5 VDC	SMD/SMT	20 %	2917	18 mOhms	82.5 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=45mOhms T521D476M016ATE045 KEMET 1: 3,12 € 125In Stock	Mfr. Part No. T521D476M016ATE045 Mouser Part No 80-T521D476M16ATE45	KEMET	Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=45mOhms Learn More about KEMET t521 caps	Datasheet	125In Stock	Cut Tape 3,12 € 2,25 € 1,95 € 1,72 € Reel 1,38 € MouseReel Available	Min.: 1 Mult.: 1 : 500		47 uF	16 VDC	SMD/SMT	20 %	2917	45 mOhms	75.2 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35Volt 68uF 7343 20% 125C ESR=50mOhms T521X686M035ATE050 KEMET 1: 2,80 € 5In Stock 21 000On Order	Mfr. Part No. T521X686M035ATE050 Mouser Part No 80-T521X686M035ATE50	KEMET	Tantalum Capacitors - Polymer 35Volt 68uF 7343 20% 125C ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	5In Stock 21 000On Order On Order Ship Dates Mfr. No: T521X686M035ATE050 Stock: 5 Can Dispatch Immediately On Order: 4 500 Expected 22/04/2027 10 000 Expected 17/06/2027 6 500 Expected 13/07/2027 Factory Lead Time: 52 Weeks	Cut Tape 2,80 € 2,08 € 1,80 € 1,59 € Reel 1,39 € MouseReel Available	Min.: 1 Mult.: 1 : 500		68 uF	35 VDC	SMD/SMT	20 %	3017	50 mOhms	238 uA	4 mm	- 55 C	+ 125 C	7343	X Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 68uF 1311 20% ESR=70mOhms AEC-Q200 T591B686M006ATE070 KEMET 1: 1,14 € 90In Stock	Mfr. Part No. T591B686M006ATE070 Mouser Part No 80-T591B686M6ATE70	KEMET	Tantalum Capacitors - Polymer 6.3V 68uF 1311 20% ESR=70mOhms AEC-Q200 Learn More about KEMET t591 auto caps	Datasheet	90In Stock	Cut Tape 1,14 € 0,63 € 0,564 € 0,406 € 0,383 € Reel 0,363 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000		68 uF	6.3 VDC	SMD/SMT	20 %	2917	70 mOhms	42.8 uA	1.9 mm	- 55 C	+ 125 C	3528	B Case	T591	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 100uF 1206 20% ESR=150mOhms T520A107M004ATE150 KEMET 1: 0,86 € 342In Stock	Mfr. Part No. T520A107M004ATE150 Mouser Part No 80-T520A107M04ATE150	KEMET	Tantalum Capacitors - Polymer 4V 100uF 1206 20% ESR=150mOhms Learn More about KEMET t520caps	Datasheet	342In Stock	Cut Tape 0,86 € 0,581 € 0,423 € 0,351 € 0,327 € Reel 0,283 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000		100 uF	4 VDC	SMD/SMT	20 %	1206	150 mOhms	40 uA	1.6 mm	- 55 C	+ 105 C	3216	A Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 100uF 1311 20% ESR=40mOhms T520B107M006ANE040 KEMET 1: 2,00 € 315In Stock	Mfr. Part No. T520B107M006ANE040 Mouser Part No 80-T520B107M06ANE040	KEMET	Tantalum Capacitors - Polymer 6.3V 100uF 1311 20% ESR=40mOhms Learn More about KEMET t520caps	Datasheet	315In Stock	Cut Tape 2,00 € 1,41 € 1,20 € 1,05 € Reel 0,775 € View 0,912 € 0,838 € 0,734 € 0,719 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000		100 uF	6.3 VDC	SMD/SMT	20 %	1311	40 mOhms	63 uA	1.9 mm	- 55 C	+ 105 C	3528	B Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 8V 150uF 2917 20% ESR=40mOhms T520D157M008ATE040 KEMET 1: 2,00 € 10In Stock 500Expected 04/03/2027	Mfr. Part No. T520D157M008ATE040 Mouser Part No 80-T520D157M8E40	KEMET	Tantalum Capacitors - Polymer 8V 150uF 2917 20% ESR=40mOhms Learn More about KEMET t520caps	Datasheet	10In Stock 500Expected 04/03/2027	Cut Tape 2,00 € 1,40 € 1,20 € 1,05 € Reel 0,912 € MouseReel Available	Min.: 1 Mult.: 1 : 500		150 uF	8 VDC	SMD/SMT	20 %	2917	40 mOhms	120 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 2312 20% ESR=9mOhms T520L337M2R5ATE009 KEMET 1: 3,53 € 635In Stock	Mfr. Part No. T520L337M2R5ATE009 Mouser Part No 80-T520L337M2R5ATE9	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2312 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	635In Stock	Cut Tape 3,53 € 2,49 € 1,96 € 1,91 € Reel 1,45 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000		330 uF	2.5 VDC	SMD/SMT	20 %	2312	9 mOhms	82.5 uA	1.8 mm	- 55 C	+ 105 C	6032	L Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 220uF 20% 3528 ESR=35mOhms 1.2mm T520T227M004ATE035 KEMET 1: 1,22 € 45In Stock 3 000Expected 22/07/2027	Mfr. Part No. T520T227M004ATE035 Mouser Part No 80-T520T227M004ATE35	KEMET	Tantalum Capacitors - Polymer 4V 220uF 20% 3528 ESR=35mOhms 1.2mm	Datasheet	45In Stock 3 000Expected 22/07/2027	Cut Tape 1,22 € 0,742 € 0,601 € 0,518 € 0,483 € Reel 0,445 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000														T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 150uF 20% 7343-31 -55 /+125C ESR=50mOhms T521D157M025ATE050 KEMET 1: 2,74 € 34In Stock 5 000On Order	Mfr. Part No. T521D157M025ATE050 Mouser Part No 80-T521D157M25ATE050	KEMET	Tantalum Capacitors - Polymer 25V 150uF 20% 7343-31 -55 /+125C ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	34In Stock 5 000On Order On Order Ship Dates Mfr. No: T521D157M025ATE050 Stock: 34 Can Dispatch Immediately On Order: 500 Expected 28/12/2026 1 500 Expected 31/12/2026 3 000 Expected 18/02/2027 Factory Lead Time: 42 Weeks	Cut Tape 2,74 € 1,99 € 1,72 € 1,51 € Reel 1,34 € MouseReel Available	Min.: 1 Mult.: 1 : 500		150 uF	25 VDC	SMD/SMT	20 %	2917	50 mOhms	375 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 47uF 20% 7343-31 -55 /+125C ESR=70mOhms T521D476M035ATE070 KEMET 1: 2,30 € 2 500On Order	Mfr. Part No. T521D476M035ATE070 Mouser Part No 80-T521D476M35ATE070	KEMET	Tantalum Capacitors - Polymer 35V 47uF 20% 7343-31 -55 /+125C ESR=70mOhms Learn More about KEMET t521 caps	Datasheet	2 500On Order On Order Ship Dates Mfr. No: T521D476M035ATE070 Stock: 0 On Order: 1 500 Expected 25/02/2027 1 000 Expected 22/04/2027 Factory Lead Time: 42 Weeks	Cut Tape 2,30 € 1,64 € 1,42 € 1,25 € Reel 1,02 € MouseReel Available	Min.: 1 Mult.: 1 : 500		47 uF	35 VDC	SMD/SMT	20 %	2917	70 mOhms	164.5 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 5.6uF 2917 20% ESR=70mOhms T521D565M050ATE070 KEMET 1: 3,53 € 33In Stock	Mfr. Part No. T521D565M050ATE070 Mouser Part No 80-T521D565M50ATE70	KEMET	Tantalum Capacitors - Polymer 50V 5.6uF 2917 20% ESR=70mOhms Learn More about KEMET t521 caps	Datasheet	33In Stock	Cut Tape 3,53 € 3,34 € 1,97 € 1,64 € Reel 1,39 € MouseReel Available	Min.: 1 Mult.: 1 : 500		5.6 uF	50 VDC	SMD/SMT	20 %	2917	70 mOhms	28 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 100uF 1311 20% ESR=40mOhms T520B107M004ATE040 KEMET 1: 1,23 € 1 137In Stock	Mfr. Part No. T520B107M004ATE040 Mouser Part No 80-T520B107M4E40	KEMET	Tantalum Capacitors - Polymer 4V 100uF 1311 20% ESR=40mOhms Learn More about KEMET t520caps	Datasheet	1 137In Stock	Cut Tape 1,23 € 0,853 € 0,629 € 0,526 € 0,491 € Reel 0,409 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000		100 uF	4 VDC	SMD/SMT	20 %	1311	40 mOhms	40 uA	1.9 mm	- 55 C	+ 105 C	3528	B Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 1311 20% ESR=70mOhms T520B337M2R5ATE070 KEMET 1: 0,972 € 1 674In Stock	Mfr. Part No. T520B337M2R5ATE070 Mouser Part No 80-T520B337M2R5ATE70	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 1311 20% ESR=70mOhms Learn More about KEMET t520caps	Datasheet	1 674In Stock	Cut Tape 0,972 € 0,661 € 0,482 € 0,399 € 0,378 € Reel 0,378 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000		330 uF	2.5 VDC	SMD/SMT	20 %	1311	70 mOhms	82.5 uA	1.9 mm	- 55 C	+ 105 C	3528	B Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 220uF 2312 20% ESR=25mOhms T520C227M004ATE025 KEMET 1: 2,31 € 424In Stock	Mfr. Part No. T520C227M004ATE025 Mouser Part No 80-T520C227M4ATE25	KEMET	Tantalum Capacitors - Polymer 4V 220uF 2312 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	424In Stock	Cut Tape 2,31 € 1,10 € 0,795 € Reel 0,525 € MouseReel Available	Min.: 1 Mult.: 1 : 500		220 uF	4 VDC	SMD/SMT	20 %	2312	25 mOhms	88 uA	2.5 mm	- 55 C	+ 105 C	6032	C Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 150uF 2917 20% ESR=25mOhms AEC-Q200 T591D157M006ATE025 KEMET 1: 1,67 € 178In Stock	Mfr. Part No. T591D157M006ATE025 Mouser Part No 80-T591D157M6ATE25	KEMET	Tantalum Capacitors - Polymer 6.3V 150uF 2917 20% ESR=25mOhms AEC-Q200 Learn More about KEMET t591 auto caps	Datasheet	178In Stock	Cut Tape 1,67 € 1,15 € 0,989 € 0,857 € Reel 0,609 € MouseReel Available	Min.: 1 Mult.: 1 : 500		150 uF	6.3 VDC	SMD/SMT	20 %	2917	25 mOhms	94.5 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T591	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=9mOhms T520D337M004ATE009 KEMET 1: 2,43 € 655In Stock	Mfr. Part No. T520D337M004ATE009 Mouser Part No 80-T520D337M4E9	KEMET	Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	655In Stock	Cut Tape 2,43 € 1,68 € 1,38 € 1,29 € Reel 1,13 € MouseReel Available	Min.: 1 Mult.: 1 : 500		330 uF	4 VDC	SMD/SMT	20 %	2917	9 mOhms	132 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 20V 68uF 2917 20% ESR=50mOhms AEC-Q200 T591D686M020ATE050 KEMET 1: 1,90 € 1 000In Stock	Mfr. Part No. T591D686M020ATE050 Mouser Part No 80-T591D686M020ATE50	KEMET	Tantalum Capacitors - Polymer 20V 68uF 2917 20% ESR=50mOhms AEC-Q200 Learn More about KEMET t591 auto caps	Datasheet	1 000In Stock	Cut Tape 1,90 € 1,44 € 1,30 € 1,15 € Reel 1,01 € MouseReel Available	Min.: 1 Mult.: 1 : 500		68 uF	20 VDC	SMD/SMT	20 %	2917	50 mOhms	136 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T591	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 470uF 2917 20% ESR=25mOhms T520D477M004ATE025 KEMET 1: 1,78 € 1 000In Stock	Mfr. Part No. T520D477M004ATE025 Mouser Part No 80-T520D477M4E25	KEMET	Tantalum Capacitors - Polymer 4V 470uF 2917 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	1 000In Stock	Cut Tape 1,78 € 1,26 € 1,08 € 0,946 € Reel 0,814 € MouseReel Available	Min.: 1 Mult.: 1 : 500		470 uF	4 VDC	SMD/SMT	20 %	2917	25 mOhms	188 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520	Reel, Cut Tape, MouseReel