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: 273
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 20V 100uF 2917 20% ESR=55mOhms 1 385In Stock
8 000On Order
Min.: 1
Mult.: 1
: 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 25V 33uF 2917 20% ESR=40mOhms 2 504In Stock
Min.: 1
Mult.: 1
: 1 000

33 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=60mohms 1 766In Stock
3 000On Order
Min.: 1
Mult.: 1
: 1 000

33 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 33uF 2917 20% ESR=25mOhms 3 000In Stock
Min.: 1
Mult.: 1
: 1 000

33 uF 25 VDC SMD/SMT 20 % 2917 25 mOhms 82.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=55mOhms 4 761In Stock
4 000Expected 21/01/2027
Min.: 1
Mult.: 1
: 1 000

47 uF 20 VDC SMD/SMT 20 % 2917 55 mOhms 94 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 15uF 2917 20% ESR=150mOhms 3 022In Stock
Min.: 1
Mult.: 1
: 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 220uF 2917 20% ESR=35mOhms 6 598In Stock
9 500On Order
Min.: 1
Mult.: 1
: 500

220 uF 16 VDC SMD/SMT 20 % 2917 35 mOhms 352 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16Vol 330uF 2912 20% ESR=25mOhms 468In Stock
Min.: 1
Mult.: 1
: 500

330 uF 16 VDC SMD/SMT 20 % 2917 25 mOhms 528 uA - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 330uF 7343 ESR=15mOhms 20% 473In Stock
8 000On Order
Min.: 1
Mult.: 1
: 500

330 uF 16 VDC SMD/SMT 20 % 2917 15 mOhms 528 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 20% ESR=30mOhms 3 903In Stock
Min.: 1
Mult.: 1
: 2 000

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 1 166In Stock
2 000Expected 29/09/2026
Min.: 1
Mult.: 1
: 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 25V 10uF 20% 3216-18 -55 /+105C ESR=150mOhms 3 447In Stock
Min.: 1
Mult.: 1
: 2 000

10 uF 25 VDC SMD/SMT 20 % 1206 150 mOhms 25 uA 1.6 mm - 55 C + 125 C 3216 A Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25Volt 15uF 3528 20% 125C ESR=90mOhms 1 100In Stock
Min.: 1
Mult.: 1
: 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 927In Stock
2 000Expected 03/08/2026
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
KEMET Tantalum Capacitors - Polymer 25V 150uF 20% 7343-31 -55 /+125C ESR=40mOhms 110In Stock
5 500On Order
Min.: 1
Mult.: 1
: 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 16V 100uF 20% 7343-20 -55 / +125 ESR=50mOhms 889In Stock
Min.: 1
Mult.: 1
: 1 000

100 uF 16 VDC SMD/SMT 20 % 2815 50 mOhms 48 uA 1.9 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 22uF 20% 7343-20 -55C / 105C ESR=65mOhms 1 402In Stock
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 25V 47uF 7343 20% 2000 Hrs ESR=40mOhms 590In Stock
3 000On Order
Min.: 1
Mult.: 1
: 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 35Volt 68uF 7343 20% 125C ESR=50mOhms 110In Stock
9 000On Order
Min.: 1
Mult.: 1
: 500

68 uF 35 VDC SMD/SMT 20 % 3017 50 mOhms 238 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 527In Stock
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 50V 33uF 2917 20% ESR=75mOhms 2 034In Stock
Min.: 1
Mult.: 1
: 500
No
33 uF 50 VDC SMD/SMT 20 % 2917 75 mOhms 165 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 20% ESR=30mOhms 851In Stock
1 400Expected 09/06/2026
Min.: 1
Mult.: 1
: 500
No
47 uF 35 VDC SMD/SMT 20 % 2917 30 mOhms 164.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 1uF 1311 20% ESR=200mohms 5In Stock
2 000Expected 05/01/2027
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
KEMET Tantalum Capacitors - Polymer 20V 10uF 20% ESR=100mOhms 2 527In Stock
Min.: 1
Mult.: 1
: 2 000

10 uF 20 VDC SMD/SMT 20 % 1311 100 mOhms 20 uA 2.1 mm - 55 C + 125 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 10uF 1311 20% ESR=100mOhms 1 567In Stock
2 000Expected 13/05/2027
Min.: 1
Mult.: 1
: 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