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: 155
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 47uF 2917 20% ESR=55mOhms 3.469In 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 12.5 47uF 20% ESR=90mOhms 2.258In Stock
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 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 25V 100uF 2917 20% ESR=40mOhms 1.987In Stock
Min.: 1
Mult.: 1
Reel: 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 16Vol 330uF 2912 20% ESR=25mOhms 1.010In 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 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 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 68uF 20% ESR=70mOhms 1.043In Stock
Min.: 1
Mult.: 1
Reel: 500

68 uF 25 VDC SMD/SMT 20 % 2917 70 mOhms 170 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 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 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 16V 47uF 2917 20% ESR=45mOhms 125In Stock
Min.: 1
Mult.: 1
Reel: 500

47 uF 16 VDC SMD/SMT 20 % 2917 45 mOhms 75.2 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=40mOhms 736In Stock
Min.: 1
Mult.: 1
Reel: 500

47 uF 16 VDC SMD/SMT 20 % 2917 40 mOhms 75.2 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 1uF 1311 20% ESR=200mohms 1.789In Stock
Min.: 1
Mult.: 1
Reel: 8.000

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 22uF 2917 20% ESR=75mOhms 5.463In Stock
16.500On Order
Min.: 1
Mult.: 1
Reel: 500

22 uF 63 VDC SMD/SMT 20 % 2917 75 mOhms 138.6 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35Volt 68uF 7343 20% 125C ESR=50mOhms 7.044In Stock
Min.: 1
Mult.: 1
Reel: 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 63V 22uF 2917 20% ESR=75mOhms 500In Stock
Min.: 1
Mult.: 1
Reel: 500
22 uF 63 VDC SMD/SMT 20 % 2917 75 mOhms 138.6 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=90mOhms 1.002In Stock
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 2.220In Stock
3.000On 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 22uF 2917 20% ESR=90mOhms 3.603In Stock
Min.: 1
Mult.: 1
Reel: 500

22 uF 50 VDC SMD/SMT 20 % 2917 90 mOhms 110 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=25mOhms 638In Stock
Min.: 1
Mult.: 1
Reel: 500

220 uF 16 VDC SMD/SMT 20 % 2815 25 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=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 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 63V 4.7uF 2917 20% ESR=75mOhms 1.614In Stock
1.000Expected 7/21/2026
Min.: 1
Mult.: 1
Reel: 500

4.7 uF 63 VDC SMD/SMT 20 % 2917 75 mOhms 29.6 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 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 63V 6.8uF 2917 20% ESR=75mOhms 5.314In Stock
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