T521 High Voltage Polymer Tantalum Capacitors

KEMET T521 KO-CAP® High Voltage Organic Polymer Tantalum Capacitors feature voltage ratings up to 75V and capacitance values up to 470µF, high ripple current capability, safe failure mode, and low ESR. These T521 capacitors are volumetrically efficient and have stable temperature characteristics. They are lead-free when ordered with 100% Sn termination finish, RoHS compliant, and halogen-free. These components are designed for DC-DC converters, power supply inputs, and higher application voltages such as 12V, 24V, 28V, and 48V input rails. The T521 KO-CAP Series features a Ta anode and Ta₂O₅ dielectric as well as a conductive organic polymer that replaces the traditionally used MnO₂ as the cathode plate of the capacitor. This results in very low ESR and improved capacitance retention at high frequency.

Results: 272
Select Image Part # Mfr. Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model 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
KEMET Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=40mOhms
4,976Expected 11/26/2026
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
KEMET Tantalum Capacitors - Polymer 25V 150uF 20% 7343-31 -55 /+125C ESR=40mOhms
7,488On Order
Min.: 1
Mult.: 1
Max.: 1,000
: 500

150 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 375 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 150uF 20% 7343-31 -55 /+125C ESR=50mOhms
5,107On Order
Min.: 1
Mult.: 1
Max.: 1,000
: 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
KEMET Tantalum Capacitors - Polymer 16V 220uF 7343 20% ESR=35mOhms
1,543On Order
Min.: 1
Mult.: 1
: 500

220 uF 16 VDC SMD/SMT 20 % 2815 35 mOhms 352 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 220uF 7343 20% ESR=50mOhms
1,277On Order
Min.: 1
Mult.: 1
Max.: 1,000
: 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
KEMET Tantalum Capacitors - Polymer 16Vol 150uF 2912 20% ESR=40mOhms
1,919Expected 12/24/2026
Min.: 1
Mult.: 1
Max.: 2,000
: 1,000

150 uF 16 VDC SMD/SMT 20 % 2917 40 mOhms 240 uA - 55 C + 105 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 22uF 20% 7343-20 -55C / 105C ESR=65mOhms
4,000On Order
Min.: 1
Mult.: 1
: 1,000

22 uF 35 VDC SMD/SMT 20 % 2917 65 mOhms 77 uA 2.8 mm 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=70mOhms
1,946Expected 10/9/2026
Min.: 1
Mult.: 1
: 1,000

47 uF 16 VDC SMD/SMT 20 % 2917 70 mOhms 75.2 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 18uF 2917 20% ESR=35mOhms
999Expected 2/10/2027
Min.: 1
Mult.: 1
: 500

18 uF 50 VDC SMD/SMT 20 % 2917 35 mOhms 90 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 18uF 7343 ESR=100mOhms
1,000Expected 1/28/2027
Min.: 1
Mult.: 1
Max.: 1,000
: 500

18 uF 63 VDC SMD/SMT 20 % 2917 100 mOhms 113.4 uA 4 mm - 55 C + 125 C 7343 X Coded T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 75V 18uF 7343 ESR=100mOhms
1,000Expected 2/1/2027
Min.: 1
Mult.: 1
Max.: 1,000
: 500

18 uF 75 VDC SMD/SMT 20 % 2917 100 mOhms 135 uA 4 mm - 55 C + 125 C 7343 X Coded T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms
762Expected 1/1/2027
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
KEMET Tantalum Capacitors - Polymer 35V 15uF 2917 20% ESR=125mOhms
2,000Expected 9/14/2026
Min.: 1
Mult.: 1
: 1,000
No
15 uF 35 VDC SMD/SMT 20 % 2917 125 mOhms 52.5 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=60mohms
998Expected 9/21/2026
Min.: 1
Mult.: 1
: 500
No
100 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 250 uA 4 mm - 55 C + 105 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 75V 15uF 2917 20% ESR=35mOhms
1,216On Order
Min.: 1
Mult.: 1
: 500

15 uF 75 VDC SMD/SMT 20 % 2917 35 mOhms 112.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 15uF 20% ESR=100mOhms
3,095Expected 4/22/2027
Min.: 1
Mult.: 1
: 2,000

15 uF 25 VDC SMD/SMT 20 % 1411 100 mOhms 37.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=150mOhms
3,993On Order
Min.: 1
Mult.: 1
: 2,000

15 uF 35 VDC SMD/SMT 20 % 1411 150 mOhms 52.5 uA 1.9 mm - 55 C + 125 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 3.3uF 1311 20% ESR=200mohms
1,300Expected 10/29/2026
Min.: 1
Mult.: 1
: 2,000

3.3 uF 35 VDC SMD/SMT 20 % 1411 200 mOhms 11.6 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 75V 22uF 7343-43 75mOhms 20% High Voltage
400Expected 12/24/2026
Min.: 1
Mult.: 1
Max.: 1,000
: 500

22 uF 50.25 VDC, 75 VDC SMD/SMT 20 % 2815 75 mOhms 165 uA 4 mm - 55 C + 125 C 7343 T52X Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 4.7uF 2917 20% ESR=300mOhms Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1
: 500

4.7 uF 63 VDC SMD/SMT 20 % 2917 300 mOhms 29.6 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=70mOhms Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1
: 500

47 uF 16 VDC SMD/SMT 20 % 2917 70 mOhms 75.2 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 3.30UF 50.0V Non-Stocked Lead-Time 33 Weeks
Min.: 8,000
Mult.: 8,000
: 8,000
3.3 uF 50 VDC SMD/SMT 20 % 1411 200 mOhms - 55 C + 105 C 3528 B Case T521 Reel
KEMET Tantalum Capacitors - Polymer 63V 1uF 1311 20% ESR=200mohms Non-Stocked Lead-Time 25 Weeks
Min.: 8,000
Mult.: 8,000
: 8,000

1 uF 63 VDC SMD/SMT 20 % 1411 200 mOhms 6.3 uA 1.9 mm - 55 C + 105 C 3528 B Case T521 Reel
KEMET Tantalum Capacitors - Polymer 16V 10uF 1311 20% ESR=100mOhms Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1
: 2,000

10 uF 16 VDC SMD/SMT 20 % 1411 100 mOhms 16 uA 1.9 mm - 55 C + 125 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 10uF 1311 20% ESR=100mOhms Non-Stocked Lead-Time 25 Weeks
Min.: 2,000
Mult.: 2,000
: 2,000

10 uF 25 VDC SMD/SMT 20 % 1411 100 mOhms 25 uA 1.9 mm - 55 C + 125 C 3528 B Case T521 Reel