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 (USD) 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 47uF 1311 20% ESR=70mOhms T520T476M004ATE070 KEMET 1: $1.32 478In Stock	Mfr. Part # T520T476M004ATE070 Mouser Part # 80-T520T476M4E70	KEMET	Tantalum Capacitors - Polymer 4V 47uF 1311 20% ESR=70mOhms Learn More about KEMET t520caps	Datasheet	478In Stock	Cut Tape $1.32 $0.678 $0.622 $0.527 $0.498 Reel $0.461 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	47 uF	4 VDC	SMD/SMT	20 %	1311	70 mOhms	18.8 uA	1.1 mm	- 55 C	+ 105 C	3528	T Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 10V 68uF 2312 20% ESR=25mOhms T520U686M010ATE055 KEMET 1: $2.54 26In Stock	Mfr. Part # T520U686M010ATE055 Mouser Part # 80-T520U686M10ATE055	KEMET	Tantalum Capacitors - Polymer 10V 68uF 2312 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	26In Stock	Cut Tape $2.54 $1.76 $1.44 $1.34 $1.17 Reel $1.11 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	68 uF	10 VDC	SMD/SMT	20 %	2312	55 mOhms	68 uA	1.4 mm	- 55 C	+ 105 C	6032	U Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 2.5V 220uF 2917 20% ESR=9mOhms T520V227M2R5ATE009 KEMET 1: $3.25 360In Stock	Mfr. Part # T520V227M2R5ATE009 Mouser Part # 80-T520V227M2R5ATE9	KEMET	Tantalum Capacitors - Polymer 2.5V 220uF 2917 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	360In Stock	Cut Tape $3.25 $2.27 $1.88 $1.76 $1.56 Reel $1.48 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	220 uF	2.5 VDC	SMD/SMT	20 %	2917	9 mOhms	55 uA	1.8 mm	- 55 C	+ 105 C	7343	V Case	T520	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 4V 220uF 2917 20% ESR=9mOhms T520V227M004ATE009 KEMET 1: $2.58 47In Stock 3,000Expected 3/31/2027	Mfr. Part # T520V227M004ATE009 Mouser Part # 80-T520V227M4ATE9	KEMET	Tantalum Capacitors - Polymer 4V 220uF 2917 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	47In Stock 3,000Expected 3/31/2027	Cut Tape $2.58 $1.78 $1.46 $1.35 $1.18 Reel $1.06 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	220 uF	4 VDC	SMD/SMT	20 %	2917	9 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=7mOhms T520V337M2R5ATE007 KEMET 1: $2.72 931In Stock	Mfr. Part # T520V337M2R5ATE007 Mouser Part # 80-T520V337M2R5ATE07	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=7mOhms Learn More about KEMET t520caps	Datasheet	931In Stock	Cut Tape $2.72 $1.92 $1.58 $1.47 $1.29 Reel $1.21 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2917	7 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=15mOhms T520V337M2R5ATE015 KEMET 1: $2.32 1,469In Stock	Mfr. Part # T520V337M2R5ATE015 Mouser Part # 80-T520V337M2R5E15	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 2917 20% ESR=15mOhms Learn More about KEMET t520caps	Datasheet	1,469In Stock	Cut Tape $2.32 $1.59 $1.29 $1.20 $1.05 Reel $0.974 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	330 uF	2.5 VDC	SMD/SMT	20 %	2917	15 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=7mOhms T520V337M004ATE007 KEMET 1: $3.05 962In Stock 4,000Expected 3/2/2027	Mfr. Part # T520V337M004ATE007 Mouser Part # 80-T520V337M4ATE7	KEMET	Tantalum Capacitors - Polymer 4V 330uF 2917 20% ESR=7mOhms Learn More about KEMET t520caps	Datasheet	962In Stock 4,000Expected 3/2/2027	Cut Tape $3.05 $2.12 $1.75 $1.64 $1.47 Reel $1.44 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 2.5V 470uF 20% ESR=9mOhms T520V477M2R5ATE0097280 KEMET 1: $2.91 6In Stock 3,000Expected 3/8/2027	Mfr. Part # T520V477M2R5ATE0097280 Mouser Part # 80-T520V477M2R5ATE09	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	6In Stock 3,000Expected 3/8/2027	Cut Tape $2.91 $2.07 $1.79 $1.57 View Reel $1.20 $1.40 $1.30 $1.20 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: $2.91 388In Stock 2,000Expected 3/24/2027	Mfr. Part # T520V477M2R5ATE009 Mouser Part # 80-T520V477M2R5ATE9	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=9mOhms Learn More about KEMET t520caps	Datasheet	388In Stock 2,000Expected 3/24/2027	Cut Tape $2.91 $2.07 $1.79 $1.57 $1.29 Reel $1.23 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: $2.70 912In Stock	Mfr. Part # T520V477M2R5ATE012 Mouser Part # 80-T520V477M2R5E12	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 2917 20% ESR=12mOhms Learn More about KEMET t520caps	Datasheet	912In Stock	Cut Tape $2.70 $1.94 $1.67 $1.47 $1.31 Reel $1.15 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 4V 680uF 2917 20% ESR=35mOhms T520X687M004ATE035 KEMET 1: $6.95 12In Stock	Mfr. Part # T520X687M004ATE035 Mouser Part # 80-T520X687M4E35	KEMET	Tantalum Capacitors - Polymer 4V 680uF 2917 20% ESR=35mOhms Learn More about KEMET t520caps	Datasheet	12In Stock	Cut Tape $6.95 $5.64 $4.70 $4.16 Reel $3.79 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: $4.28 137In Stock	Mfr. Part # T520Y108M2R5ATE010 Mouser Part # 80-T520Y108M2R5ATE10	KEMET	Tantalum Capacitors - Polymer 2.5V 1000uF 2917 20% ESR=10mOhms Learn More about KEMET t520caps	Datasheet	137In Stock	Cut Tape $4.28 $3.05 $2.56 $2.41 Reel $2.27 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 35V 15uF 20% 3528-21 -55 /+125C ESR=100mOhms T521B156M035ATE100 KEMET 1: $1.29 313In Stock 8,000On Order	Mfr. Part # T521B156M035ATE100 Mouser Part # 80-T521B156M35ATE100	KEMET	Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=100mOhms Learn More about KEMET t521 caps	Datasheet	313In Stock 8,000On Order On Order Ship Dates Mfr. #: T521B156M035ATE100 Stock: 313 Can Ship 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 $1.29 $0.782 $0.623 $0.521 $0.489 Reel $0.451 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: $1.36 1,570In Stock New At Mouser	Mfr. Part # T521B336M020ATE090 Mouser Part # 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 $1.36 $0.705 $0.647 $0.55 $0.52 Reel $0.494 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: $1.79 36In Stock 20,000Expected 1/5/2027	Mfr. Part # T521B476M016ATE055 Mouser Part # 80-T521B476M016ATE55	KEMET	Tantalum Capacitors - Polymer 16V 47uF 20% 55mOhms -55C/+125C Learn More about KEMET t521 caps	Datasheet	36In Stock 20,000Expected 1/5/2027	Cut Tape $1.79 $1.23 $1.05 $0.914 View Reel $0.707 $0.791 $0.748 $0.707 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 16V 47uF 20% 90mOhms -55C/+125C T521B476M016ATE090 KEMET 1: $1.64 163In Stock 16,000On Order	Mfr. Part # T521B476M016ATE090 Mouser Part # 80-T521B476M016ATE90	KEMET	Tantalum Capacitors - Polymer 16V 47uF 20% 90mOhms -55C/+125C Learn More about KEMET t521 caps	Datasheet	163In Stock 16,000On Order On Order Ship Dates Mfr. #: T521B476M016ATE090 Stock: 163 Can Ship Immediately On Order: 8,000 Expected 1/12/2027 8,000 Expected 3/30/2027 Factory Lead-Time: 40 Weeks	Cut Tape $1.64 $1.14 $0.842 $0.704 Reel $0.605 View $0.658 $0.571 $0.539 MouseReel Available	Min.: 1 Mult.: 1 Max.: 16,000 : 2,000	47 uF	16 VDC	SMD/SMT	20 %	1311	90 mOhms	75.2 uA	1.9 mm	- 55 C	+ 125 C	3528	B Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 16V 150uF 20% ESR=40mOhms T521D157M016ATE040 KEMET 1: $3.97 7In Stock 1,500On Order	Mfr. Part # T521D157M016ATE040 Mouser Part # 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. #: T521D157M016ATE040 Stock: 7 Can Ship Immediately On Order: 500 Expected 4/12/2027 1,000 Expected 6/23/2027 Factory Lead-Time: 26 Weeks	Cut Tape $3.97 $2.86 $2.55 $2.19 Reel $1.96 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: $3.97 41In Stock 2,000On Order	Mfr. Part # T521D157M016ATE050 Mouser Part # 80-T521D157M016ATE50	KEMET	Tantalum Capacitors - Polymer 16V 150uF 2917 20% ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	41In Stock 2,000On Order On Order Ship Dates Mfr. #: T521D157M016ATE050 Stock: 41 Can Ship Immediately On Order: 500 Expected 2/8/2027 1,500 Expected 2/23/2027 Factory Lead-Time: 26 Weeks	Cut Tape $3.97 $2.86 $2.48 $2.19 Reel $1.96 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 20V 150uF 2917 20% ESR=65mOhms T521D157M020ATE065 KEMET 1: $5.72 57In Stock 5,697On Order	Mfr. Part # T521D157M020ATE065 Mouser Part # 80-T521D157M020ATE65	KEMET	Tantalum Capacitors - Polymer 20V 150uF 2917 20% ESR=65mOhms Learn More about KEMET t521 caps	Datasheet	57In Stock 5,697On Order On Order Ship Dates Mfr. #: T521D157M020ATE065 Stock: 57 Can Ship Immediately On Order: 1,197 Expected 4/12/2027 1,500 Expected 8/5/2027 3,000 Expected 8/17/2027 Factory Lead-Time: 26 Weeks	Cut Tape $5.72 $4.01 $3.45 $3.05 Reel $2.94 MouseReel Available	Min.: 1 Mult.: 1 : 500	150 uF	20 VDC	SMD/SMT	20 %	2917	65 mOhms	300 uA	2.8 mm	- 55 C	+ 105 C	7343	D Case	T521	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 18uF 2917 20% ESR=90mOhms T521D186M050ATE090 KEMET 1: $7.86 310In Stock	Mfr. Part # T521D186M050ATE090 Mouser Part # 80-T521D186M050ATE90	KEMET	Tantalum Capacitors - Polymer 50V 18uF 2917 20% ESR=90mOhms Learn More about KEMET t521 caps	Datasheet	310In Stock	Cut Tape $7.86 $6.15 $4.61 Reel $3.58 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: $5.51 397In Stock 500Expected 12/24/2026	Mfr. Part # T521D226M035ATE040 Mouser Part # 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 $5.51 $3.94 $3.38 $3.04 Reel $2.86 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: $5.62 439In Stock 4,000Expected 2/23/2027	Mfr. Part # T521D226M035ATE060 Mouser Part # 80-T521D226M035ATE60	KEMET	Tantalum Capacitors - Polymer 35V 22uF 2917 20% ESR=60mOhms Learn More about KEMET t521 caps	Datasheet	439In Stock 4,000Expected 2/23/2027	Cut Tape $5.62 $3.94 $3.39 $2.98 Reel $2.78 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 50V 22uF 2917 20% ESR=90mOhms T521D226M050ATE090 KEMET 1: $6.46 44In Stock 7,000On Order	Mfr. Part # T521D226M050ATE090 Mouser Part # 80-T521D226M50E90	KEMET	Tantalum Capacitors - Polymer 50V 22uF 2917 20% ESR=90mOhms Learn More about KEMET t521 caps	Datasheet	44In Stock 7,000On Order On Order Ship Dates Mfr. #: T521D226M050ATE090 Stock: 44 Can Ship Immediately On Order: 4,000 Expected 12/17/2026 3,000 Expected 2/23/2027 Factory Lead-Time: 26 Weeks	Cut Tape $6.46 $4.74 $4.06 $3.85 Reel $3.69 MouseReel Available	Min.: 1 Mult.: 1 : 500	22 uF	50 VDC	SMD/SMT	20 %	2917	90 mOhms	110 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: $7.01 27In Stock 1,500Expected 2/23/2027	Mfr. Part # T521D227M016ATE025 Mouser Part # 80-T521D227M16ATE025	KEMET	Tantalum Capacitors - Polymer 16V 220uF 7343 20% ESR=25mOhms Learn More about KEMET t521 caps	Datasheet	27In Stock 1,500Expected 2/23/2027	Cut Tape $7.01 $5.17 $4.53 $4.07 Reel $3.82 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: $6.70 46In Stock 1,500On Order	Mfr. Part # T521D227M016ATE050 Mouser Part # 80-T521D227M16ATE050	KEMET	Tantalum Capacitors - Polymer 16V 220uF 7343 20% ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	46In Stock 1,500On Order On Order Ship Dates Mfr. #: T521D227M016ATE050 Stock: 46 Can Ship Immediately On Order: 1,000 Expected 6/28/2027 500 Expected 7/20/2027 Factory Lead-Time: 26 Weeks	Cut Tape $6.70 $4.94 $4.34 $3.93 Reel $3.65 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