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 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
KEMET Tantalum Capacitors - Polymer 35V 3.3uF 1311 20% ESR=150mOhms 494In Stock
Min.: 1
Mult.: 1
Reel: 2.000

3.3 uF 35 VDC SMD/SMT 20 % 1411 150 mOhms 11.6 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 33uF 1311 20% ESR=70mOhms 1.888In Stock
2.000Expected 4/16/2026
Min.: 1
Mult.: 1
Reel: 2.000

33 uF 16 VDC SMD/SMT 20 % 1311 70 mOhms 52.8 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 33uF 20% ESR=90mOhms 1.770In Stock
Min.: 1
Mult.: 1
Reel: 2.000

33 uF SMD/SMT 20 % - 55 C + 105 C T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 4.7uF 1311 20% ESR=200mohms 1.582In Stock
Min.: 1
Mult.: 1
Reel: 2.000

4.7 uF 35 VDC SMD/SMT 20 % 1411 200 mOhms 16.5 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 6.8uF 1311 20% ESR=150mOhms 1.159In Stock
2.000Expected 6/4/2026
Min.: 1
Mult.: 1
Reel: 2.000

6.8 uF 35 VDC SMD/SMT 20 % 1411 150 mOhms 23.8 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 6.8uF 1311 20% ESR=200mohms 1.425In Stock
Min.: 1
Mult.: 1
Reel: 2.000

6.8 uF 35 VDC SMD/SMT 20 % 1411 200 mOhms 23.8 uA 1.9 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 4.7uF 20% ESR=200mOhms 245In Stock
500Expected 4/13/2026
Min.: 1
Mult.: 1
Reel: 500

4.7 uF 63 VDC SMD/SMT 20 % 2312 200 mOhms 29.6 uA 2.8 mm - 55 C + 105 C 6032 C Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms 2In Stock
1.000Expected 4/9/2026
Min.: 1
Mult.: 1
Reel: 500

10 uF 50 VDC SMD/SMT 20 % 2917 90 mOhms 50 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=120mOhms 444In Stock
4.806On Order
Min.: 1
Mult.: 1
Reel: 500

10 uF 50 VDC SMD/SMT 20 % 2917 120 mOhms 50 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms 1.418In Stock
18.500On Order
Min.: 1
Mult.: 1
Reel: 500

10 uF 50 VDC SMD/SMT 20 % 2917 90 mOhms 50 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 100uF 2917 20% ESR=50mOhms 99In Stock
7.800On Order
Min.: 1
Mult.: 1
Reel: 500

100 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 160 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 100uF 7343 ESR=50mOhms 20% 525In Stock
4.000On Order
Min.: 1
Mult.: 1
Reel: 500

100 uF 25 VDC SMD/SMT 20 % 2917 50 mOhms 250 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=60mOhms 85In Stock
2.700On Order
Min.: 1
Mult.: 1
Reel: 500

100 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 250 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 150uF 20% ESR=40mOhms 367In Stock
500Expected 7/16/2026
Min.: 1
Mult.: 1
Reel: 500

150 uF 16 VDC SMD/SMT 20 % 2917 40 mOhms 240 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 150uF 2917 20% ESR=50mOhms 66In Stock
1.000Expected 9/22/2026
Min.: 1
Mult.: 1
Reel: 500

150 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 240 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 150uF 2917 20% ESR=50mOhms 5In Stock
6.500On Order
Min.: 1
Mult.: 1
Reel: 500

150 uF 20 VDC SMD/SMT 20 % 2917 50 mOhms 300 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 20V 150uF 2917 20% ESR=65mOhms 7In Stock
2.500Expected 4/30/2026
Min.: 1
Mult.: 1
Reel: 500

150 uF 20 VDC SMD/SMT 20 % 2917 65 mOhms 300 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 43In Stock
4.990On Order
Min.: 1
Mult.: 1
Reel: 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 35V 22uF 2917 20% ESR=40mOhms 6In Stock
500Expected 4/9/2026
Min.: 1
Mult.: 1
Reel: 500

22 uF 35 VDC SMD/SMT 20 % 2917 40 mOhms 77 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 246In Stock
Min.: 1
Mult.: 1
Reel: 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 25V 33uF 2917 20% ESR=40mOhms 498In Stock
Min.: 1
Mult.: 1
Reel: 500

33 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 82.5 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 33uF 2917 20% ESR=65mohms 5In Stock
27.500On Order
Min.: 1
Mult.: 1
Reel: 500

33 uF 35 VDC SMD/SMT 20 % 2917 65 mOhms 115.5 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel