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	Packaging
Tantalum Capacitors - Polymer 4V 470uF 2917 20% ESR=40mOhms T520D477M004ATE040 KEMET 1: €1.84 2,682In Stock	Mfr. Part No. T520D477M004ATE040 Mouser Part No 80-T520D477M004	KEMET	Tantalum Capacitors - Polymer 4V 470uF 2917 20% ESR=40mOhms Learn More about KEMET t520caps	Datasheet	2,682In Stock	Cut Tape €1.84 €1.22 €1.05 €0.946 Reel €0.86 MouseReel Available	Min.: 1 Mult.: 1 : 500	470 uF	4 VDC	SMD/SMT	20 %	2917	40 mOhms	188 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 470uF 2917 20% ESR=30mOhms T520D477M006ATE030 KEMET 1: €2.64 4,166In Stock 2,500Expected 11/01/2027	Mfr. Part No. T520D477M006ATE030 Mouser Part No 80-T520D477M006	KEMET	Tantalum Capacitors - Polymer 6.3V 470uF 2917 20% ESR=30mOhms Learn More about KEMET t520caps	Datasheet	4,166In Stock 2,500Expected 11/01/2027	Cut Tape €2.64 €1.91 €1.57 €1.48 Reel €1.34 MouseReel Available	Min.: 1 Mult.: 1 : 500	470 uF	6.3 VDC	SMD/SMT	20 %	2917	30 mOhms	296.1 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 150uF 2312 20% ESR=25mOhms T520L157M006ATE025 KEMET 1: €2.37 2,000In Stock	Mfr. Part No. T520L157M006ATE025 Mouser Part No 80-T520L157M6ATE25	KEMET	Tantalum Capacitors - Polymer 6.3V 150uF 2312 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	2,000In Stock	Cut Tape €2.37 €1.63 €1.34 €1.26 €1.10 Reel €1.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	150 uF	6.3 VDC	SMD/SMT	20 %	2312	25 mOhms	94.5 uA	1.8 mm	- 55 C	+ 105 C	6032	L Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 2312 20% ESR=25mOhms T520L337M2R5ATE025 KEMET 1: €2.76 1,091In Stock	Mfr. Part No. T520L337M2R5ATE025 Mouser Part No 80-T520L337M2R5ATE25	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2312 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	1,091In Stock	Cut Tape €2.76 €1.93 €1.59 €1.49 €1.32 Reel €1.26 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2312	25 mOhms	82.5 uA	1.8 mm	- 55 C	+ 105 C	6032	L Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 12.5 10uF 20% ESR=150mOhms T520T106M12RATE150 KEMET 1: €1.37 5,996In Stock	Mfr. Part No. T520T106M12RATE150 Mouser Part No 80-T520T106M12RTE150	KEMET	Tantalum Capacitors - Polymer 12.5 10uF 20% ESR=150mOhms Learn More about KEMET t520caps	Datasheet	5,996In Stock	Cut Tape €1.37 €0.731 €0.673 €0.572 €0.534 Reel €0.506 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	10 uF	12.5 VDC	SMD/SMT	20 %	1311	150 mOhms	12.5 uA	1.1 mm	- 55 C	+ 105 C	3528	T Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 220uF 2917 20% ESR=15mOhms T520V227M004ATE015 KEMET 1: €1.99 1,999In Stock	Mfr. Part No. T520V227M004ATE015 Mouser Part No 80-T520V227M4ATE015	KEMET	Tantalum Capacitors - Polymer 4V 220uF 2917 20% ESR=15mOhms Learn More about KEMET t520caps	Datasheet	1,999In Stock	Cut Tape €1.99 €1.36 €1.10 €1.02 €0.903 Reel €0.877 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	220 uF	4 VDC	SMD/SMT	20 %	2917	15 mOhms	88 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=6mOhms T520V337M2R5ATE006 KEMET 1: €2.38 5,150In Stock	Mfr. Part No. T520V337M2R5ATE006 Mouser Part No 80-T520V337M2R5ATE06	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=6mOhms Learn More about KEMET t520caps	Datasheet	5,150In Stock	Cut Tape €2.38 €1.65 €1.36 €1.26 Reel €1.10 View €1.11 €1.06 €0.972 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 2.5V 330uF 2917 20% ESR=9mOhms T520V337M2R5ATE009 KEMET 1: €1.98 14,132In Stock 4,000Expected 31/03/2027	Mfr. Part No. T520V337M2R5ATE009 Mouser Part No 80-T520V337M2R5ATE9	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	14,132In Stock 4,000Expected 31/03/2027	Cut Tape €1.98 €1.47 €1.20 €1.11 €0.972 Reel €0.90 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2917	9 mOhms	82.5 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=25mOhms T520V337M2R5ATE025 KEMET 1: €1.88 16,356In Stock 114,000On Order	Mfr. Part No. T520V337M2R5ATE025 Mouser Part No 80-T520V337M2R5E25	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	16,356In Stock 114,000On Order On Order Ship Dates Mfr. No: T520V337M2R5ATE025 Stock: 16,356 Can Dispatch Immediately On Order: 69,000 Expected 03/03/2027 45,000 Expected 07/04/2027 Factory Lead Time: 26 Weeks	Cut Tape €1.88 €1.27 €1.09 €0.955 Reel €0.76 View €0.826 €0.755 MouseReel Available	Min.: 1 Mult.: 1 Max.: 8,000 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2917	25 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=9mOhms T520V337M004ATE009 KEMET 1: €2.36 4,030In Stock 2,000Expected 19/11/2026	Mfr. Part No. T520V337M004ATE009 Mouser Part No 80-T520V337M4ATE9	KEMET	Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	4,030In Stock 2,000Expected 19/11/2026	Cut Tape €2.36 €1.74 €1.44 €1.34 €1.18 Reel €1.12 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	4 VDC	SMD/SMT	20 %	2917	9 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=12mOhms T520V337M004ATE012 KEMET 1: €2.39 2,267In Stock	Mfr. Part No. T520V337M004ATE012 Mouser Part No 80-T520V337M4E12	KEMET	Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=12mOhms Learn More about KEMET t520caps	Datasheet	2,267In Stock	Cut Tape €2.39 €1.65 €1.36 €1.26 €1.13 Reel €1.10 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	4 VDC	SMD/SMT	20 %	2917	12 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=25mOhms T520V337M004ATE025 KEMET 1: €2.37 1,508In Stock	Mfr. Part No. T520V337M004ATE025 Mouser Part No 80-T520V337M4E25	KEMET	Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	1,508In Stock	Cut Tape €2.37 €1.66 €1.36 €1.26 Reel €1.04 View €1.11 €0.998 €0.972 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=6mOhms T520V477M2R5ATE006 KEMET 1: €2.73 1,800In Stock 2,000Expected 22/04/2027	Mfr. Part No. T520V477M2R5ATE006 Mouser Part No 80-T520V477M2R5006	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=6mOhms Learn More about KEMET t520caps	Datasheet	1,800In Stock 2,000Expected 22/04/2027	Cut Tape €2.73 €1.91 €1.58 €1.48 €1.31 Reel €1.25 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	470 uF	2.5 VDC	SMD/SMT	20 %	2917	6 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=15mOhms T520V477M2R5ATE015 KEMET 1: €2.15 4,488In Stock	Mfr. Part No. T520V477M2R5ATE015 Mouser Part No 80-T520V477M2R5E15	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=15mOhms Learn More about KEMET t520caps	Datasheet	4,488In Stock	Cut Tape €2.15 €1.48 €1.20 €1.13 €0.98 Reel €0.95 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	470 uF	2.5 VDC	SMD/SMT	20 %	2917	15 mOhms	117.5 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=15mOhms T520W337M2R5ATE015 KEMET 1: €2.55 1,249In Stock	Mfr. Part No. T520W337M2R5ATE015 Mouser Part No 80-T520W337M2R5015	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=15mOhms Learn More about KEMET t520caps	Datasheet	1,249In Stock	Cut Tape €2.55 €1.77 €1.46 €1.37 €1.20 Reel €1.14 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2917	15 mOhms	82.5 uA	1.4 mm	- 55 C	+ 105 C	7343	W Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=25mOhms T520W337M2R5ATE025 KEMET 1: €2.34 2,005In Stock	Mfr. Part No. T520W337M2R5ATE025 Mouser Part No 80-T520W337M2R5ATE25	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	2,005In Stock	Cut Tape €2.34 €1.79 €1.47 €1.38 €1.20 Reel €1.15 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2917	25 mOhms	82.5 uA	1.4 mm	- 55 C	+ 105 C	7343	W Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 1uF 3528 20% ESR=200mohms T521B105M050ATE200 KEMET 1: €1.30 16,150In Stock	Mfr. Part No. T521B105M050ATE200 Mouser Part No 80-T521B105M50ATE200	KEMET	Tantalum Capacitors - Polymer 50V 1uF 3528 20% ESR=200mohms Learn More about KEMET t521 caps	Datasheet	16,150In Stock	Cut Tape €1.30 €0.682 €0.628 €0.537 Reel €0.483 View €0.507 €0.461 €0.429 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	1 uF	50 VDC	SMD/SMT	20 %	1411	200 mOhms	5 uA	2.1 mm	- 55 C	+ 105 C	3528	B Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 63V 1uF 1311 20% ESR=200mohms T521B105M063ATE200 KEMET 1: €1.33 3,472In Stock	Mfr. Part No. T521B105M063ATE200 Mouser Part No 80-T521B105M63ATE200	KEMET	Tantalum Capacitors - Polymer 63V 1uF 1311 20% ESR=200mohms Learn More about KEMET t521 caps	Datasheet	3,472In Stock	Cut Tape €1.33 €0.70 €0.644 €0.551 €0.528 Reel €0.515 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	1 uF	63 VDC	SMD/SMT	20 %	1411	200 mOhms	6.3 uA	2.1 mm	- 55 C	+ 105 C	3528	B Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 2.2uF 1311 20% ESR=200mohms T521B225M050ATE200 KEMET 1: €1.36 3,082In Stock	Mfr. Part No. T521B225M050ATE200 Mouser Part No 80-T521B225M50ATE200	KEMET	Tantalum Capacitors - Polymer 50V 2.2uF 1311 20% ESR=200mohms Learn More about KEMET t521 caps	Datasheet	3,082In Stock	Cut Tape €1.36 €0.717 €0.66 €0.566 €0.545 Reel €0.545 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	2.2 uF	50 VDC	SMD/SMT	20 %	1411	200 mOhms	11 uA	2.1 mm	- 55 C	+ 105 C	3528	B Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 3.3uF 1311 20% ESR=200mOhms T521B335M050ATE200 KEMET 1: €1.49 4,871In Stock	Mfr. Part No. T521B335M050ATE200 Mouser Part No 80-T521B335M50ATE200	KEMET	Tantalum Capacitors - Polymer 50V 3.3uF 1311 20% ESR=200mOhms Learn More about KEMET t521 caps	Datasheet	4,871In Stock	Cut Tape €1.49 €0.998 €0.794 €0.733 View Reel €0.571 €0.63 €0.598 €0.571 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	3.3 uF	50 VDC	SMD/SMT	20 %	1311	200 mOhms	16.5 uA	2.1 mm	- 55 C	+ 105 C	3528	B Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms T521D106M050AHE090 KEMET 1: €5.40 3,243In Stock	Mfr. Part No. T521D106M050AHE090 Mouser Part No 80-T521D106M50AHE90	KEMET	Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms Learn More about KEMET t521 caps	Datasheet	3,243In Stock	Cut Tape €5.40 €3.96 €3.39 €3.21 Reel €2.91 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	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=120mOhms T521D106M050ATE120 KEMET 1: €2.26 3,380In Stock	Mfr. Part No. T521D106M050ATE120 Mouser Part No 80-T521D106M50ATE120	KEMET	Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=120mOhms Learn More about KEMET t521 caps	Datasheet	3,380In Stock	Cut Tape €2.26 €1.56 €1.55 Reel €1.55 MouseReel Available	Min.: 1 Mult.: 1 : 500	10 uF	50 VDC	SMD/SMT	20 %	2917	120 mOhms	50 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 20V 100uF 2917 20% ESR=55mOhms T521D107M020ATE055 KEMET 1: €3.53 2,324In Stock 10,500On Order	Mfr. Part No. T521D107M020ATE055 Mouser Part No 80-T521D107M020ATE55	KEMET	Tantalum Capacitors - Polymer 20V 100uF 2917 20% ESR=55mOhms Learn More about KEMET t521 caps	Datasheet	2,324In Stock 10,500On Order On Order Ship Dates Mfr. No: T521D107M020ATE055 Stock: 2,324 Can Dispatch Immediately On Order: 5,500 Expected 12/04/2027 5,000 Expected 14/04/2027 Factory Lead Time: 26 Weeks	Cut Tape €3.53 €2.51 €2.11 €1.98 Reel €1.77 MouseReel Available	Min.: 1 Mult.: 1 : 500	100 uF	20 VDC	SMD/SMT	20 %	2917	55 mOhms	200 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=40mOhms T521D107M025ATE0407280 KEMET 1: €3.42 5,330In Stock	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	5,330In Stock	Cut Tape €3.42 Reel €3.42 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 20V 150uF 2917 20% ESR=50mOhms T521D157M020ATE050 KEMET 1: €4.43 3,212In Stock 4,000Expected 12/04/2027	Mfr. Part No. T521D157M020ATE050 Mouser Part No 80-T521D157M020ATE50	KEMET	Tantalum Capacitors - Polymer 20V 150uF 2917 20% ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	3,212In Stock 4,000Expected 12/04/2027	Cut Tape €4.43 €3.21 €2.72 €2.56 Reel €2.30 MouseReel Available	Min.: 1 Mult.: 1 : 500	150 uF	20 VDC	SMD/SMT	20 %	2917	50 mOhms	300 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel