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 (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 25V 100uF 2917 20% ESR=60mohms 30.337In Stock
Min.: 1
Mult.: 1
Reel: 500

100 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 250 uA 4 mm - 55 C + 105 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 20% 7343-31 -55 /+125C ESR=60mOhms 2.500In Stock
3.500On Order
Min.: 1
Mult.: 1
Reel: 500

47 uF 35 VDC SMD/SMT 20 % 2917 60 mOhms 164.5 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 15uF 1311 20% ESR=90mOhms 2.470In Stock
Min.: 1
Mult.: 1
Reel: 2.000

15 uF 16 VDC SMD/SMT 20 % 1411 90 mOhms 24 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 2.2uF 1311 20% ESR=200mohms 5.807In Stock
Min.: 1
Mult.: 1
Reel: 2.000

2.2 uF 50 VDC SMD/SMT 20 % 1411 200 mOhms 11 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 47uF 20% ESR=45mOhms 2.375In Stock
Min.: 1
Mult.: 1
Reel: 1.000

47 uF 20 VDC SMD/SMT 20 % 2917 45 mOhms 94 uA 1.4 mm - 55 C + 105 C 7343 W Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 47uF 2917 20% ESR=55mOhms 3.329In Stock
Min.: 1
Mult.: 1
Reel: 500

47 uF 20 VDC SMD/SMT 20 % 2917 55 mOhms 94 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=40mOhms 1.608In Stock
Min.: 1
Mult.: 1
Reel: 1.000

47 uF 16 VDC SMD/SMT 20 % 2917 40 mOhms 75.2 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 1.660In Stock
Min.: 1
Mult.: 1
Reel: 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 50V 6.8uF 2917 20% ESR=70mOhms 1.349In Stock
Min.: 1
Mult.: 1
Reel: 1.000

6.8 uF 50 VDC SMD/SMT 20 % 2917 70 mOhms 34 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 68uF 2917 20% ESR=50mOhms 1.553In Stock
Min.: 1
Mult.: 1
Reel: 1.000

68 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 108.8 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 2.546In Stock
Min.: 1
Mult.: 1
Reel: 500

33 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 82.5 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16Vol 330uF 2912 20% ESR=25mOhms 948In Stock
Min.: 1
Mult.: 1
Reel: 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 12.5 47uF 20% ESR=90mOhms 2.258In Stock
3.000Expected 1/22/2027
Min.: 1
Mult.: 1
Reel: 3.000

47 uF 12.5 VDC SMD/SMT 20 % 1411 90 mOhms 58.8 uA 1.1 mm - 55 C + 105 C 3528 T Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 22uF 2917 20% ESR=60mOhms 1.071In Stock
Min.: 1
Mult.: 1
Reel: 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
KEMET Tantalum Capacitors - Polymer 25V 100uF 20% ESR=60mOhms 1.695In Stock
Min.: 1
Mult.: 1
Reel: 2.000

100 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 250 uA 4 mm - 55 C + 105 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 1.5uF 1311 20% ESR=200mohms 10.340In Stock
Min.: 1
Mult.: 1
Reel: 2.000

1.5 uF 63 VDC SMD/SMT 20 % 1411 200 mOhms 9.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 4.7uF 1311 20% ESR=150mOhms 15.006In Stock
1.800On Order
Min.: 1
Mult.: 1
Reel: 2.000

4.7 uF 35 VDC SMD/SMT 20 % 1411 150 mOhms 16.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 47uF 2917 20% ESR=50mOhms 2.966In Stock
1.500Expected 4/24/2026
Min.: 1
Mult.: 1
Reel: 500

47 uF 25 VDC SMD/SMT 20 % 2917 65 mOhms 117.5 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=150mOhms 1.360In Stock
Min.: 1
Mult.: 1
Reel: 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 15uF 20% 3528-21 -55 /+125C ESR=200mOhms 1.200In Stock
Min.: 1
Mult.: 1
Reel: 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
KEMET Tantalum Capacitors - Polymer 35V 22uF 20% 7343-20 -55C / 105C ESR=100mOhms 858In Stock
Min.: 1
Mult.: 1
Reel: 1.000

22 uF 35 VDC SMD/SMT 20 % 2917 100 mOhms 77 uA 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 20% 7343-31 -55 /+125C ESR=70mOhms
500Expected 7/9/2026
Min.: 1
Mult.: 1
Reel: 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
KEMET Tantalum Capacitors - Polymer 16V 470uF 20% 20mOhms -55C/+125C 25In Stock
2.500On Order
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 20V 10uF 20% ESR=100mOhms 2.209In Stock
Min.: 1
Mult.: 1
Reel: 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 20V 68uF 2917 20% ESR=50mOhms 905In Stock
Min.: 1
Mult.: 1
Reel: 1.000

68 uF 20 VDC SMD/SMT 20 % 2917 50 mOhms 136 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel