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 (GBP) 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 4,208In Stock
4,000Expected 04/06/2027
Min.: 1
Mult.: 1
: 500

100 uF 20 VDC SMD/SMT 20 % 2917 55 mOhms 200 uA 2.8 mm - 55 C + 105 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 100uF 2917 20% ESR=50mOhms 336In Stock
18,500On Order
Min.: 1
Mult.: 1
: 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% 3,077In Stock
7,500Expected 01/02/2027
Min.: 1
Mult.: 1
Max.: 1,000
: 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 20V 150uF 2917 20% ESR=65mOhms 2,103In Stock
1,500Expected 28/04/2027
Min.: 1
Mult.: 1
Max.: 1,000
: 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 35V 22uF 2917 20% ESR=60mOhms 585In Stock
Min.: 1
Mult.: 1
: 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 50V 22uF 2917 20% ESR=90mOhms 1,472In Stock
4,000Expected 24/12/2026
Min.: 1
Mult.: 1
: 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 25V 33uF 2917 20% ESR=60mohms 1,708In Stock
Min.: 1
Mult.: 1
: 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 75V 4.7uF 2917 20% ESR=75mOhms 1,074In Stock
2,500On Order
Min.: 1
Mult.: 1
: 500

4.7 uF 75 VDC SMD/SMT 20 % 2917 75 mOhms 35.3 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 2,195In Stock
Min.: 1
Mult.: 1
: 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 20V 47uF 2917 20% ESR=55mOhms 2,061In Stock
Min.: 1
Mult.: 1
: 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 63V 6.8uF 2917 20% ESR=75mOhms 4,049In Stock
Min.: 1
Mult.: 1
: 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 68uF 20% ESR=70mOhms 642In Stock
Min.: 1
Mult.: 1
: 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 16V 33uF 1311 20% ESR=50mOhms 1,994In Stock
9,000Expected 03/11/2026
Min.: 1
Mult.: 1
: 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 16V 33uF 1311 20% ESR=45mOhms 1,920In Stock
Min.: 1
Mult.: 1
: 3,000

33 uF 16 VDC SMD/SMT 20 % 1411 45 mOhms 52.8 uA 1.1 mm - 55 C + 105 C 3528 T Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 10uF 2917 20% ESR=120mOhms 2,802In Stock
Min.: 1
Mult.: 1
: 1,000

10 uF 35 VDC SMD/SMT 20 % 2917 120 mOhms 35 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 22uF 2917 20% ESR=40mOhms 2,465In Stock
Min.: 1
Mult.: 1
: 1,000

22 uF 25 VDC SMD/SMT 20 % 2917 40 mOhms 55 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=40mOhms 4,140In 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 1,502In Stock
3,000Expected 29/09/2026
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 2,700In 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 905In Stock
7,000On Order
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 20V 47uF 2917 20% ESR=90mOhms 1,681In Stock
Min.: 1
Mult.: 1
: 1,000

47 uF 20 VDC SMD/SMT 20 % 2917 90 mOhms 94 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 100uF 2917 20% ESR=60mohms 56In Stock
43,500On Order
Min.: 1
Mult.: 1
Max.: 1,000
: 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 63V 15uF 2917 20% ESR=150mOhms 2,203In Stock
1,500Expected 22/04/2027
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 75V 15uF 2917 20% ESR=35mOhms 1,889In Stock
Min.: 1
Mult.: 1
: 2,000

15 uF 75 VDC SMD/SMT 20 % 2917 35 mOhms 112.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 20% ESR=30mOhms 2,537In 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