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: 275
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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 16V 220uF 7343 20% ESR=35mOhms 1.287In Stock
Min.: 1
Mult.: 1
Reel: 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 63V 6.8uF 2917 20% ESR=75mOhms 3.814In Stock
1.500Expected 4/16/2026
Min.: 1
Mult.: 1
Reel: 500

6.8 uF 63 VDC SMD/SMT 20 % 2917 75 mOhms 42.8 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 10uF 1311 20% ESR=100mOhms 2.385In Stock
Min.: 1
Mult.: 1
Reel: 3.000

10 uF 25 VDC SMD/SMT 20 % 1411 100 mOhms 25 uA 1.1 mm - 55 C + 125 C 3528 T Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 33uF 1311 20% ESR=50mOhms 2.503In Stock
3.000Expected 4/23/2026
Min.: 1
Mult.: 1
Reel: 3.000

33 uF 16 VDC SMD/SMT 20 % 1411 50 mOhms 52.8 uA 1.1 mm - 55 C + 105 C 3528 T Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms 4.713In Stock
Min.: 1
Mult.: 1
Reel: 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
KEMET Tantalum Capacitors - Polymer 20V 100uF 2917 20% ESR=55mOhms 1.164In Stock
6.000Expected 4/27/2026
Min.: 1
Mult.: 1
Reel: 1.000

100 uF 20 VDC SMD/SMT 20 % 2917 55 mOhms 200 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 75V 10uF 2917 20% ESR=50mOhms 2.281In Stock
4.500Expected 10/20/2026
Min.: 1
Mult.: 1
Reel: 500

10 uF 75 VDC SMD/SMT 20 % 2917 50 mOhms 75 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=30mOhms 1.234In Stock
14.500Expected 3/26/2026
Min.: 1
Mult.: 1
Reel: 500

100 uF 25 VDC SMD/SMT 20 % 2917 30 mOhms 250 uA 4 mm - 55 C + 105 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 15uF 2917 20% ESR=35mOhms 3.265In Stock
Min.: 1
Mult.: 1
Reel: 500

15 uF 63 VDC SMD/SMT 20 % 2917 35 mOhms 94.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 15uF 2917 20% ESR=150mOhms 575In Stock
3.500On Order
Min.: 1
Mult.: 1
Reel: 500

15 uF 63 VDC SMD/SMT 20 % 2917 150 mOhms 94.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 330uF 2917 20% ESR=50mOhms 2.334In Stock
Min.: 1
Mult.: 1
Reel: 500

330 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 528 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 2917 20% ESR=30mOhms 7.644In Stock
58.554On Order
Min.: 1
Mult.: 1
Reel: 500

47 uF 35 VDC SMD/SMT 20 % 2917 30 mOhms 164.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 10uF 20% 105C 3216 ESR=200mOhms 3.114In Stock
Min.: 1
Mult.: 1
Reel: 2.000

10 uF 16 VDC SMD/SMT 20 % 1206 200 mOhms 16 uA 1.6 mm - 55 C + 105 C 3216 A Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25Volt 15uF 3528 20% 125C ESR=90mOhms 1.280In Stock
Min.: 1
Mult.: 1
Reel: 2.000

15 uF 25 VDC SMD/SMT 20 % 1311 90 mOhms 37.5 uA 1.9 mm - 55 C + 125 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=100mOhms 2.162In Stock
Min.: 1
Mult.: 1
Reel: 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
KEMET Tantalum Capacitors - Polymer 25V 47uF 7343 20% 2000 Hrs ESR=40mOhms 1.343In Stock
Min.: 1
Mult.: 1
Reel: 1.000

47 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 117.5 uA 2 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 20% 7343-20 -55 /+105C ESR=100mOhms 1.063In Stock
Min.: 1
Mult.: 1
Reel: 1.000

47 uF 35 VDC SMD/SMT 20 % 2917 100 mOhms 164.5 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 470uF 20% 20mOhms -55C/+125C 25In Stock
500Expected 6/18/2026
Min.: 1
Mult.: 1
Reel: 500

470 uF 16 VDC SMD/SMT 20 % 2815 20 mOhms 752 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=60mohms 339In Stock
500Expected 4/30/2026
Min.: 1
Mult.: 1
Reel: 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 50V 1uF 3528 20% ESR=200mohms 2.001In Stock
4.000Expected 5/26/2026
Min.: 1
Mult.: 1
Reel: 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
KEMET Tantalum Capacitors - Polymer 63V 1uF 1311 20% ESR=200mohms 2.581In Stock
Min.: 1
Mult.: 1
Reel: 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
KEMET Tantalum Capacitors - Polymer 25V 10uF 1311 20% ESR=100mOhms 755In Stock
2.000Expected 6/19/2026
Min.: 1
Mult.: 1
Reel: 2.000

10 uF 25 VDC SMD/SMT 20 % 1311 100 mOhms 25 uA 2.1 mm - 55 C + 125 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 10uF 1311 20% ESR=200mohms 1.100In Stock
Min.: 1
Mult.: 1
Reel: 2.000

10 uF 35 VDC SMD/SMT 20 % 1411 200 mOhms 35 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 1.5uF 1311 20% ESR=200mohms 388In Stock
Min.: 1
Mult.: 1
Reel: 2.000

1.5 uF 50 VDC SMD/SMT 20 % 1411 200 mOhms 7.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 15uF 1311 20% ESR=90mOhms 1.494In Stock
Min.: 1
Mult.: 1
Reel: 2.000

15 uF 20 VDC SMD/SMT 20 % 1411 90 mOhms 30 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel