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 (CAD) 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 2.5V 1000uF 2917 20% ESR=30mOhms T520D108M2R5ATE030 KEMET 1: $4.10 2,598In Stock	Mfr. Part # T520D108M2R5ATE030 Mouser Part # 80-T520D108M2R5ATE30	KEMET	Tantalum Capacitors - Polymer 2.5V 1000uF 2917 20% ESR=30mOhms Learn More about KEMET t520caps	Datasheet	2,598In Stock	Cut Tape $4.10 $2.84 $2.33 $2.17 Reel $2.00 MouseReel Available	Min.: 1 Mult.: 1 : 500	1000 uF	2.5 VDC	SMD/SMT	20 %	2917	30 mOhms	250 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 220uF 2917 20% ESR=25mOhms T520D227M006ATE025 KEMET 1: $2.68 1,900In Stock	Mfr. Part # T520D227M006ATE025 Mouser Part # 80-T520D227M6ATE25	KEMET	Tantalum Capacitors - Polymer 6.3V 220uF 2917 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	1,900In Stock	Cut Tape $2.68 $2.02 $1.74 $1.66 Reel $1.39 View $1.33 $1.29 MouseReel Available	Min.: 1 Mult.: 1 : 500	220 uF	6.3 VDC	SMD/SMT	20 %	2917	25 mOhms	138.6 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4Volt 220uF 2912 20% ESR=25mOhms T520T227M004ATE025 KEMET 1: $2.19 3,000In Stock	Mfr. Part # T520T227M004ATE025 Mouser Part # 80-T520T227M004ATE25	KEMET	Tantalum Capacitors - Polymer 4Volt 220uF 2912 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	3,000In Stock	Cut Tape $2.19 $1.15 $1.05 $0.90 $0.852 Reel $0.851 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	220 uF	4 VDC	SMD/SMT	20 %	1411	25 mOhms	88 uA		- 55 C	+ 105 C	3528	T Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 6.8uF 2917 20% ESR=70mOhms T521V685M050ATE070 KEMET 1: $5.90 1,256In Stock	Mfr. Part # T521V685M050ATE070 Mouser Part # 80-T521V685M50ATE70	KEMET	Tantalum Capacitors - Polymer 50V 6.8uF 2917 20% ESR=70mOhms Learn More about KEMET t521 caps	Datasheet	1,256In Stock	Cut Tape $5.90 $4.19 $3.51 $3.31 Reel $2.94 View $2.95 $2.69 $2.64 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	6.8 uF	50 VDC	SMD/SMT	20 %	2917	70 mOhms	34 uA	1.8 mm	- 55 C	+ 125 C	7343	V Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 330uF 20% ESR=5mOhms T530D337M004ATE005 KEMET 1: $12.31 2,518In Stock	Mfr. Part # T530D337M004ATE005 Mouser Part # 80-T530D337M04ATE005	KEMET	Tantalum Capacitors - Polymer 4V 330uF 20% ESR=5mOhms Learn More about KEMET T530caps	Datasheet	2,518In Stock	Cut Tape $12.31 $9.22 $7.99 $7.60 Reel $6.94 MouseReel Available	Min.: 1 Mult.: 1 : 500	330 uF	4 VDC	SMD/SMT	20 %	2917	5 mOhms	132 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T530		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 100uF 1311 20% ESR=70mOhms AEC-Q200 T598B107M2R5ATE070 KEMET 1: $1.77 3,184In Stock	Mfr. Part # T598B107M2R5ATE070 Mouser Part # 80-T598B107M2R5ATE70	KEMET	Tantalum Capacitors - Polymer 2.5V 100uF 1311 20% ESR=70mOhms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	3,184In Stock	Cut Tape $1.77 $1.16 $1.04 $0.917 Reel $0.867 View $0.87 $0.732 $0.694 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	100 uF	2.5 VDC	SMD/SMT	20 %	1311	70 mOhms	25 uA	1.9 mm	- 55 C	+ 125 C	3528	B Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 330uF 20% ESR=15mOhms T520D337M006ATE0157280 KEMET 1: $3.18 2,467In Stock	Mfr. Part # T520D337M006ATE0157280 Mouser Part # 80-T520D337M06ATE015	KEMET	Tantalum Capacitors - Polymer 6.3V 330uF 20% ESR=15mOhms Learn More about KEMET t520caps	Datasheet	2,467In Stock	Cut Tape $3.18 $2.25 $1.93 $1.68 Reel $1.33 View $1.47 $1.33 $1.22 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	330 uF	6.3 VDC	SMD/SMT	20 %	2917	15 mOhms	207.9 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 680uF 2917 20% ESR=15mOhms T520X687M004ATE015 KEMET 1: $10.22 1,000In Stock	Mfr. Part # T520X687M004ATE015 Mouser Part # 80-T520X687M04ATE015	KEMET	Tantalum Capacitors - Polymer 4V 680uF 2917 20% ESR=15mOhms Learn More about KEMET t520caps	Datasheet	1,000In Stock	Cut Tape $10.22 $7.55 $6.62 $5.89 Reel $5.37 MouseReel Available	Min.: 1 Mult.: 1 : 500	680 uF	4 VDC	SMD/SMT	20 %	2917	15 mOhms	272 uA	4 mm	- 55 C	+ 105 C	7343	X Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 1000uF 20% ESR=6mOhms T530Y108M2R5ATE006 KEMET 1: $12.47 313In Stock	Mfr. Part # T530Y108M2R5ATE006 Mouser Part # 80-T530Y108M2R5ATE06	KEMET	Tantalum Capacitors - Polymer 2.5V 1000uF 20% ESR=6mOhms Learn More about KEMET T530caps	Datasheet	313In Stock	Cut Tape $12.47 $9.35 $8.11 $7.72 Reel $7.06 $6.75 MouseReel Available	Min.: 1 Mult.: 1 : 500	1000 uF	2.5 VDC	SMD/SMT	20 %	2917	6 mOhms	250 uA	3.8 mm	- 55 C	+ 125 C	7343	Y Case	T530		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 47uF 1311 20% ESR=70mOhms AEC-Q200 T591B476M006ATE070 KEMET 1: $1.70 4,090In Stock	Mfr. Part # T591B476M006ATE070 Mouser Part # 80-T591B476M006E70	KEMET	Tantalum Capacitors - Polymer 6.3V 47uF 1311 20% ESR=70mOhms AEC-Q200 Learn More about KEMET t591 auto caps	Datasheet	4,090In Stock	Cut Tape $1.70 $0.865 $0.792 $0.668 Reel $0.596 View $0.629 $0.543 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	47 uF	6.3 VDC	SMD/SMT	20 %	1311	70 mOhms	29.6 uA	1.9 mm	- 55 C	+ 125 C	3528	B Case	T591		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 10V 150uF 7343 20% ESR=25mOhms AEC-Q200 T598V157M010ATE025 KEMET 1: $4.68 2,520In Stock	Mfr. Part # T598V157M010ATE025 Mouser Part # 80-T598V157M10ATE025	KEMET	Tantalum Capacitors - Polymer 10V 150uF 7343 20% ESR=25mOhms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	2,520In Stock	Cut Tape $4.68 $3.27 $2.71 $2.53 $2.25 Reel $2.15 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	150 uF	10 VDC	SMD/SMT	20 %	2917	25 mOhms	150 uA	1.9 mm	- 55 C	+ 125 C	7343	V Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 10V 330uF 7343 ESR=25mOhms Harsh Env T591X337M010ATE025 KEMET 1: $6.83 350In Stock 500Expected 2027-02-01 New Product	Mfr. Part # T591X337M010ATE025 Mouser Part # 80-T591X337M10ATE025 New Product	KEMET	Tantalum Capacitors - Polymer 10V 330uF 7343 ESR=25mOhms Harsh Env Learn More about KEMET t591 auto caps	Datasheet	350In Stock 500Expected 2027-02-01	Cut Tape $6.83 $4.91 $4.26 $3.76 Reel $3.36 View $3.04 $2.97 $2.81 MouseReel Available	Min.: 1 Mult.: 1 : 500	330 uF	10 VDC	SMD/SMT	20 %	2917	25 mOhms	330 uA	4 mm	- 55 C	+ 125 C	7343	X Coded	T591		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 68uF 7343 ESR=50mOhms AEC-Q200 T598D686M025ATE050 KEMET 1: $3.51 1,381In Stock New Product	Mfr. Part # T598D686M025ATE050 Mouser Part # 80-T598D686M25ATE050 New Product	KEMET	Tantalum Capacitors - Polymer 25V 68uF 7343 ESR=50mOhms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	1,381In Stock	Cut Tape $3.51 $2.49 $2.13 $1.87 Reel $1.64 View $1.51 $1.45 $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 500	68 uF	25 VDC	SMD/SMT	20 %	2917	50 mOhms	170 uA	2.8 mm	- 55 C	+ 125 C	7343	D Coded	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 16V 68uF 20% ESR=50mOhms T520D686M016ATE0507280 KEMET 1: $4.67 6,095In Stock	Mfr. Part # T520D686M016ATE0507280 Mouser Part # 80-T520D686M16ATE050	KEMET	Tantalum Capacitors - Polymer 16V 68uF 20% ESR=50mOhms Learn More about KEMET t520caps	Datasheet	6,095In Stock	Cut Tape $4.67 $3.47 $3.00 $2.64 View Reel $2.19 $2.32 $2.19 $2.19 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	68 uF	16 VDC	SMD/SMT	20 %	2917	50 mOhms	108.8 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 680uF 2917 20% ESR=10mOhms T530D687M2R5ATE010 KEMET 1: $10.87 1,132In Stock 1,000Expected 2027-07-01	Mfr. Part # T530D687M2R5ATE010 Mouser Part # 80-T530D687M2R5E10	KEMET	Tantalum Capacitors - Polymer 2.5V 680uF 2917 20% ESR=10mOhms Learn More about KEMET T530caps	Datasheet	1,132In Stock 1,000Expected 2027-07-01	Cut Tape $10.87 $8.08 $7.11 $6.35 Reel $6.16 MouseReel Available	Min.: 1 Mult.: 1 : 500	680 uF	2.5 VDC	SMD/SMT	20 %	2917	10 mOhms	170 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T530		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 8V 47uF 1311 20% ESR=70mOhms T520B476M008ATE070 KEMET 1: $1.90 6,415In Stock	Mfr. Part # T520B476M008ATE070 Mouser Part # 80-T520B476M8ATE70	KEMET	Tantalum Capacitors - Polymer 8V 47uF 1311 20% ESR=70mOhms Learn More about KEMET t520caps	Datasheet	6,415In Stock	Cut Tape $1.90 $0.981 $0.899 $0.763 $0.72 Reel $0.719 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	47 uF	8 VDC	SMD/SMT	20 %	1311	70 mOhms	37.6 uA	1.9 mm	- 55 C	+ 105 C	3528	B Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=6mOhms T520V337M2R5ATE006 KEMET 1: $3.99 6,161In Stock	Mfr. Part # T520V337M2R5ATE006 Mouser Part # 80-T520V337M2R5ATE06	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=6mOhms Learn More about KEMET t520caps	Datasheet	6,161In Stock	Cut Tape $3.99 $2.76 $2.28 $2.12 $1.86 Reel $1.84 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2917	6 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=25mOhms T520V337M004ATE025 KEMET 1: $3.92 2,008In Stock	Mfr. Part # T520V337M004ATE025 Mouser Part # 80-T520V337M4E25	KEMET	Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	2,008In Stock	Cut Tape $3.92 $2.78 $2.28 $2.12 $1.86 Reel $1.74 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	4 VDC	SMD/SMT	20 %	2917	25 mOhms	132 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=18mOhms T520V477M2R5ATE018 KEMET 1: $3.60 1,822In Stock	Mfr. Part # T520V477M2R5ATE018 Mouser Part # 80-T520V477M2R5ATE18	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=18mOhms Learn More about KEMET t520caps	Datasheet	1,822In Stock	Cut Tape $3.60 $2.48 $2.02 $1.89 $1.64 Reel $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	470 uF	2.5 VDC	SMD/SMT	20 %	2917	18 mOhms	117.5 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 1000uF 2917 20% ESR=10mOhms T520X108M2R5ATE010 KEMET 1: $9.09 686In Stock	Mfr. Part # T520X108M2R5ATE010 Mouser Part # 80-T520X108M2R5ATE10	KEMET	Tantalum Capacitors - Polymer 2.5V 1000uF 2917 20% ESR=10mOhms Learn More about KEMET t520caps	Datasheet	686In Stock	Cut Tape $9.09 $6.67 $5.70 $5.40 Reel $4.88 MouseReel Available	Min.: 1 Mult.: 1 : 500	1000 uF	2.5 VDC	SMD/SMT	20 %	2917	10 mOhms	250 uA	4 mm	- 55 C	+ 105 C	7343	X Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms T521V106M050ANE090 KEMET 1: $12.20 975In Stock	Mfr. Part # T521V106M050ANE090 Mouser Part # 80-T521V106M50ANE90	KEMET	Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms Learn More about KEMET t521 caps	Datasheet	975In Stock	Cut Tape $12.20 $9.07 $7.98 $7.13 $6.57 Reel $5.88 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	10 uF	50 VDC	SMD/SMT	20 %	2917	90 mOhms	50 uA	1.8 mm	- 55 C	+ 125 C	7343	V Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 470uF 20% ESR=10mOhms T530D477M2R5ATE010 KEMET 1: $10.90 495In Stock	Mfr. Part # T530D477M2R5ATE010 Mouser Part # 80-T530D477M2R5ATE10	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 20% ESR=10mOhms Learn More about KEMET T530caps	Datasheet	495In Stock	Cut Tape $10.90 $7.73 $6.98 $6.64 Reel $6.03 MouseReel Available	Min.: 1 Mult.: 1 : 500	470 uF	2.5 VDC	SMD/SMT	20 %	2917	10 mOhms	117.5 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T530		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 470uF 20% 25mOhms -55C/+125C AEC-Q200 T591X477M006ATE025 KEMET 1: $4.75 957In Stock	Mfr. Part # T591X477M006ATE025 Mouser Part # 80-T591X477M006ATE25	KEMET	Tantalum Capacitors - Polymer 6.3V 470uF 20% 25mOhms -55C/+125C AEC-Q200 Learn More about KEMET t591 auto caps	Datasheet	957In Stock	Cut Tape $4.75 $3.53 $3.05 $2.69 Reel $2.00 View $1.87 $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 500	470 uF	6 VDC	SMD/SMT	20 %	2815	25 mOhms	282 uA	4 mm	- 55 C	+ 125 C	7343	X Case	T591		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=200mOhms T521B156M035ATE200 KEMET 1: $1.80 550In Stock 2,000Expected 2026-12-03	Mfr. Part # T521B156M035ATE200 Mouser Part # 80-T521B156M35ATE200	KEMET	Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=200mOhms Learn More about KEMET t521 caps	Datasheet	550In Stock 2,000Expected 2026-12-03	Cut Tape $1.80 $1.22 $0.888 $0.737 $0.685 Reel $0.616 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	15 uF	35 VDC	SMD/SMT	20 %	1411	200 mOhms	52.5 uA	1.9 mm	- 55 C	+ 125 C	3528	B Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 22uF 20% 7343-20 -55C / 105C ESR=100mOhms T521V226M035ATE100 KEMET 1: $3.57 603In Stock New At Mouser	Mfr. Part # T521V226M035ATE100 Mouser Part # 80-T521V226M35ATE100 New At Mouser	KEMET	Tantalum Capacitors - Polymer 35V 22uF 20% 7343-20 -55C / 105C ESR=100mOhms Learn More about KEMET t521 caps	Datasheet	603In Stock	Cut Tape $3.57 $2.53 $2.17 $1.90 $1.68 Reel $1.54 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	22 uF	35 VDC	SMD/SMT	20 %	2917	100 mOhms	77 uA				7343	V Case	T521		Reel, Cut Tape, MouseReel