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 (TWD) 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	Qualification	Packaging
Tantalum Capacitors - Polymer 25V 150uF 20% 7343-31 -55 /+125C ESR=50mOhms T521D157M025ATE050 KEMET 1: NT$114.36 115In Stock 5,000On Order	Mfr. Part # T521D157M025ATE050 Mouser Part # 80-T521D157M25ATE050	KEMET	Tantalum Capacitors - Polymer 25V 150uF 20% 7343-31 -55 /+125C ESR=50mOhms Learn More about KEMET t521 caps	Datasheet	115In Stock 5,000On Order On Order Ship Dates Mfr. #: T521D157M025ATE050 Stock: 115 Can Ship Immediately On Order: 500 Expected 12/28/2026 1,500 Expected 12/31/2026 3,000 Expected 2/18/2027 Factory Lead-Time: 42 Weeks	Cut Tape NT$114.36 NT$82.81 NT$71.70 NT$63.10 Reel NT$55.93 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 2.5V 220uF 20% 7343-20 -55 / +125 ESR=12mOhms AEC-Q200 T598V227M2R5ATE012 KEMET 1: NT$100.02 940In Stock	Mfr. Part # T598V227M2R5ATE012 Mouser Part # 80-T598V227M2R5ATE12	KEMET	Tantalum Capacitors - Polymer 2.5V 220uF 20% 7343-20 -55 / +125 ESR=12mOhms AEC-Q200 Learn More about KEMET t598series capacitors	Datasheet	940In Stock	Cut Tape NT$100.02 NT$71.34 NT$61.30 NT$54.13 NT$48.04 Reel NT$40.87 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		220 uF	2.5 VDC	SMD/SMT	20 %	2815	12 mOhms	55 uA	1.9 mm	- 55 C	+ 125 C	7343	V Case	T598	AEC-Q200	Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=200mOhms T521B156M035ATE200 KEMET 1: NT$44.81 550In Stock 2,000Expected 12/3/2026	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 12/3/2026	Cut Tape NT$44.81 NT$30.40 NT$22.12 NT$18.36 NT$17.06 Reel NT$15.34 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: NT$88.91 603In Stock	Mfr. Part # T521V226M035ATE100 Mouser Part # 80-T521V226M35ATE100	KEMET	Tantalum Capacitors - Polymer 35V 22uF 20% 7343-20 -55C / 105C ESR=100mOhms Learn More about KEMET t521 caps	Datasheet	603In Stock	Cut Tape NT$88.91 NT$63.10 NT$54.13 NT$47.32 NT$41.94 Reel NT$38.36 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
Tantalum Capacitors - Polymer 35V 47uF 2917 20% ESR=70mOhms T521X476M035AHE070 KEMET 1: NT$309.39 500In Stock	Mfr. Part # T521X476M035AHE070 Mouser Part # 80-T521X476M35AHE70	KEMET	Tantalum Capacitors - Polymer 35V 47uF 2917 20% ESR=70mOhms Learn More about KEMET t521 caps	Datasheet	500In Stock	Cut Tape NT$309.39 NT$229.80 NT$202.55 NT$180.68 Reel NT$175.31 MouseReel Available	Min.: 1 Mult.: 1 : 500	No	47 uF	35 VDC	SMD/SMT	20 %	2917	70 mOhms	164.5 uA	4 mm	- 55 C	+ 125 C	7343	X Case	T521		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 100uF 20% ESR=40mOhms T520B107M006AHE040 KEMET 1: NT$50.91 3,953In Stock	Mfr. Part # T520B107M006AHE040 Mouser Part # 80-T520B107M06AHE040	KEMET	Tantalum Capacitors - Polymer 6.3V 100uF 20% ESR=40mOhms Learn More about KEMET t520caps	Datasheet	3,953In Stock	Cut Tape NT$50.91 NT$26.64 NT$24.49 NT$20.83 Reel NT$18.68 View NT$19.72 NT$17.60 NT$17.21 NT$16.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	No	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 10V 22uF 1206 20% ESR=80mOhms T520A226M010AHE080 KEMET 1: NT$119.02 2,067In Stock	Mfr. Part # T520A226M010AHE080 Mouser Part # 80-T520A226M10AHE080	KEMET	Tantalum Capacitors - Polymer 10V 22uF 1206 20% ESR=80mOhms Learn More about KEMET t520caps	Datasheet	2,067In Stock	Cut Tape NT$119.02 NT$83.53 NT$69.19 NT$64.89 View Reel NT$52.70 NT$57.36 NT$54.85 NT$52.70 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	No	22 uF	10 VDC	SMD/SMT	20 %	1206	80 mOhms	22 uA	1.6 mm	- 55 C	+ 105 C	3216	A Case	T520		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms T521V106M050AME090 KEMET 1: NT$298.99 800In Stock	Mfr. Part # T521V106M050AME090 Mouser Part # 80-T521V106M50AME90	KEMET	Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms Learn More about KEMET t521 caps	Datasheet	800In Stock	Cut Tape NT$298.99 NT$222.63 NT$192.16 NT$179.61 Reel NT$152.72 View NT$165.27 NT$149.49 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	No	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 4V 680uF 2917 20% ESR=10mOhms T530X687M004AHE010 KEMET 1: NT$306.88 1,500In Stock	Mfr. Part # T530X687M004AHE010 Mouser Part # 80-T530X687M004AHE10	KEMET	Tantalum Capacitors - Polymer 4V 680uF 2917 20% ESR=10mOhms Learn More about KEMET T530caps	Datasheet	1,500In Stock	Cut Tape NT$306.88 NT$230.16 NT$199.33 NT$189.65 Reel NT$173.16 NT$165.99 MouseReel Available	Min.: 1 Mult.: 1 : 500	No	680 uF	4 VDC	SMD/SMT	20 %	2917	10 mOhms	272 uA	4 mm	- 55 C	+ 125 C	7343	X Case	T530		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 470uF 20% 25mOhms -55C/+125C AEC-Q200 T591X477M006ATE025 KEMET 1: NT$118.31 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 NT$118.31 NT$87.83 NT$76.00 NT$67.04 Reel NT$49.83 View NT$46.61 NT$45.53 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 6.3V 330uF 2917 20% ESR=6mOhms T530D337M006AHE006 KEMET 1: NT$293.97 500In Stock 500Expected 1/28/2027	Mfr. Part # T530D337M006AHE006 Mouser Part # 80-T530D337M6AHE6	KEMET	Tantalum Capacitors - Polymer 6.3V 330uF 2917 20% ESR=6mOhms Learn More about KEMET T530caps	Datasheet	500In Stock 500Expected 1/28/2027	Cut Tape NT$293.97 NT$218.69 NT$188.57 NT$176.02 Reel NT$163.12 MouseReel Available	Min.: 1 Mult.: 1 : 500	No	330 uF	6.3 VDC	SMD/SMT	20 %	2917	6 mOhms	207.9 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T530		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 10V 100uF 2917 20% ESR=25mOhms T525D107M010AHE025 KEMET 1: NT$134.08 1,000In Stock	Mfr. Part # T525D107M010AHE025 Mouser Part # 80-T525D107M10AHE025	KEMET	Tantalum Capacitors - Polymer 10V 100uF 2917 20% ESR=25mOhms Learn More about KEMET T525caps	Datasheet	1,000In Stock	Cut Tape NT$134.08 NT$94.64 NT$78.87 NT$74.21 Reel NT$65.61 NT$60.23 MouseReel Available	Min.: 1 Mult.: 1 : 500	No	100 uF	10 VDC	SMD/SMT	20 %	2917	25 mOhms	100 uA	2.8 mm	- 55 C	+ 125 C	7343	D Case	T525		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 3V 1500uF 2917 20% ESR=8mOhms T530X158M003AHE008 KEMET 1: NT$334.84 830In Stock	Mfr. Part # T530X158M003AHE008 Mouser Part # 80-T530X158M3AHE8	KEMET	Tantalum Capacitors - Polymer 3V 1500uF 2917 20% ESR=8mOhms Learn More about KEMET T530caps	Datasheet	830In Stock	Cut Tape NT$334.84 NT$246.29 NT$214.38 Reel NT$210.80 NT$168.14 MouseReel Available	Min.: 1 Mult.: 1 : 500	No	1500 uF	3 VDC	SMD/SMT	20 %	2917	8 mOhms	450 uA	4 mm	- 55 C	+ 125 C	7343	X Case	T530		Reel, Cut Tape, MouseReel
Tantalum Capacitors - Polymer 6.3V 470uF 20% ESR=18mOhms T520X477M006AHE018 KEMET 1: NT$303.65 340In Stock	Mfr. Part # T520X477M006AHE018 Mouser Part # 80-T520X477M06AHE018	KEMET	Tantalum Capacitors - Polymer 6.3V 470uF 20% ESR=18mOhms Learn More about KEMET t520caps	Datasheet	340In Stock	Cut Tape NT$303.65 NT$227.65 NT$197.18 NT$187.50 Reel NT$171.36 NT$163.83 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 35V 47uF 20% 7343-31 -55 /+125C ESR=70mOhms T521D476M035ATE070 KEMET 1: NT$96.08 2,500On Order	Mfr. Part # T521D476M035ATE070 Mouser Part # 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. #: T521D476M035ATE070 Stock: 0 On Order: 1,500 Expected 2/25/2027 1,000 Expected 4/22/2027 Factory Lead-Time: 42 Weeks	Cut Tape NT$96.08 NT$68.47 NT$59.15 NT$51.98 Reel NT$42.66 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: NT$146.99 33In Stock	Mfr. Part # T521D565M050ATE070 Mouser Part # 80-T521D565M50ATE70	KEMET	Tantalum Capacitors - Polymer 50V 5.6uF 2917 20% ESR=70mOhms Learn More about KEMET t521 caps	Datasheet	33In Stock	Cut Tape NT$146.99 NT$139.10 NT$82.10 NT$68.47 Reel NT$58.08 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 220uF 2312 20% ESR=25mOhms T520C227M004ATE025 KEMET 1: NT$96.44 424In Stock	Mfr. Part # T520C227M004ATE025 Mouser Part # 80-T520C227M4ATE25	KEMET	Tantalum Capacitors - Polymer 4V 220uF 2312 20% ESR=25mOhms Learn More about KEMET t520caps	Datasheet	424In Stock	Cut Tape NT$96.44 NT$45.89 NT$33.13 Reel NT$21.90 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: NT$69.55 178In Stock	Mfr. Part # T591D157M006ATE025 Mouser Part # 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 NT$69.55 NT$48.04 NT$41.23 NT$35.74 Reel NT$25.38 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 33uF 1206 20% ESR=70mOhms T520A336M004ATE070 KEMET 1: NT$35.85 1,770In Stock	Mfr. Part # T520A336M004ATE070 Mouser Part # 80-T520A336M4ATE70	KEMET	Tantalum Capacitors - Polymer 4V 33uF 1206 20% ESR=70mOhms Learn More about KEMET t520caps	Datasheet	1,770In Stock	Cut Tape NT$35.85 NT$24.23 NT$17.64 NT$14.63 NT$13.62 Reel NT$13.05 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: NT$50.91 500In Stock	Mfr. Part # T520C157M004ATE045 Mouser Part # 80-T520C157M4ATE45	KEMET	Tantalum Capacitors - Polymer 4V 150uF 2312 20% ESR=45mOhms Learn More about KEMET t520caps	Datasheet	500In Stock	Cut Tape NT$50.91 NT$35.42 NT$26.13 Reel NT$21.83 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: NT$57.00 465In Stock	Mfr. Part # T520C477M2R5ATE045 Mouser Part # 80-T520C477M2R5ATE45	KEMET	Tantalum Capacitors - Polymer 2.5V 470uF 2312 20% ESR=45mOhms Learn More about KEMET t520caps	Datasheet	465In Stock	Cut Tape NT$57.00 NT$39.79 NT$29.25 Reel NT$22.01 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 4V 100uF 1311 20% ESR=40mOhms T520B107M004ATE040 KEMET 1: NT$51.27 1,137In Stock	Mfr. Part # T520B107M004ATE040 Mouser Part # 80-T520B107M4E40	KEMET	Tantalum Capacitors - Polymer 4V 100uF 1311 20% ESR=40mOhms Learn More about KEMET t520caps	Datasheet	1,137In Stock	Cut Tape NT$51.27 NT$35.56 NT$26.21 NT$21.94 NT$20.47 Reel NT$17.03 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: NT$40.51 1,674In Stock	Mfr. Part # T520B337M2R5ATE070 Mouser Part # 80-T520B337M2R5ATE70	KEMET	Tantalum Capacitors - Polymer 2.5V 330uF 1311 20% ESR=70mOhms Learn More about KEMET t520caps	Datasheet	1,674In Stock	Cut Tape NT$40.51 NT$27.57 NT$20.08 NT$16.63 NT$15.77 Reel NT$15.74 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 100uF 1206 20% ESR=150mOhms T520A107M004ATE150 KEMET 1: NT$35.85 342In Stock	Mfr. Part # T520A107M004ATE150 Mouser Part # 80-T520A107M04ATE150	KEMET	Tantalum Capacitors - Polymer 4V 100uF 1206 20% ESR=150mOhms Learn More about KEMET t520caps	Datasheet	342In Stock	Cut Tape NT$35.85 NT$24.23 NT$17.64 NT$14.63 NT$13.62 Reel NT$11.79 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: NT$83.17 315In Stock	Mfr. Part # T520B107M006ANE040 Mouser Part # 80-T520B107M06ANE040	KEMET	Tantalum Capacitors - Polymer 6.3V 100uF 1311 20% ESR=40mOhms Learn More about KEMET t520caps	Datasheet	315In Stock	Cut Tape NT$83.17 NT$58.79 NT$50.19 NT$43.74 Reel NT$32.30 View NT$38.00 NT$34.92 NT$30.62 NT$29.97 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