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 (IDR) 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 25Volt 15uF 3528 20% 125C ESR=90mOhms 4.000In Stock
Cut Tape
Rp24.584
Rp13.539
Rp11.833
Rp10.310
Reel
Rp9.283
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 25V 22uF 1311 20% ESR=100mOhms 29.411In Stock
Cut Tape
Rp24.584
Rp17.025
Rp12.549
Rp10.494
Reel
Rp9.155
Min.: 1
Mult.: 1
Max.: 16.000
: 8.000
22 uF 25 VDC SMD/SMT 20 % 1411 100 mOhms 55 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 10uF 2917 20% ESR=120mOhms 5.333In Stock
Cut Tape
Rp49.718
Rp35.408
Rp30.454
Rp26.785
Reel
Rp23.666
Min.: 1
Mult.: 1
Max.: 2.000
: 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 975In Stock
Cut Tape
Rp155.391
Rp115.580
Rp101.637
Rp90.813
Rp83.658
Reel
Rp74.852
Min.: 1
Mult.: 1
: 1.000
10 uF 50 VDC SMD/SMT 20 % 2917 90 mOhms 50 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 47uF 2917 20% ESR=70mOhms 1.936In Stock
Cut Tape
Rp42.930
Rp30.454
Rp24.767
Rp22.933
Reel
Rp18.163
Min.: 1
Mult.: 1
: 1.000
47 uF 16 VDC SMD/SMT 20 % 2917 70 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=40mOhms 4.135In Stock
Cut Tape
Rp51.185
Rp35.408
Rp28.987
Rp27.152
Rp23.850
Reel
Rp22.566
Min.: 1
Mult.: 1
Max.: 4.000
: 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 50V 6.8uF 2917 20% ESR=70mOhms
1.256In Stock
Cut Tape
Rp75.219
Rp53.387
Rp44.764
Rp42.196
Rp37.609
Reel
Rp37.426
Min.: 1
Mult.: 1
: 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 220uF 20% ESR=50mOhms 2.044In Stock
Cut Tape
Rp90.629
Rp65.312
Rp56.506
Rp49.901
Reel
Rp39.260
Min.: 1
Mult.: 1
: 2.000
220 uF 16 VDC SMD/SMT 20 % 2917 50 mOhms 352 uA 4 mm - 55 C + 125 C 7343 X Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 15uF 20% 3528-21 -55 /+125C ESR=200mOhms 550In Stock
2.000Expected 03/12/2026
Cut Tape
Rp22.933
Rp15.557
Rp11.319
Rp9.393
Rp8.733
Reel
Rp7.852
Min.: 1
Mult.: 1
: 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 623In Stock
Cut Tape
Rp45.498
Rp32.289
Rp27.702
Rp24.217
Rp21.465
Reel
Rp19.630
Min.: 1
Mult.: 1
Max.: 2.000
: 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 25V 150uF 20% 7343-31 -55 /+125C ESR=50mOhms 290In Stock
5.000On Order
Cut Tape
Rp58.524
Rp42.379
Rp36.692
Rp32.289
Reel
Rp28.620
Min.: 1
Mult.: 1
Max.: 1.000
: 500
150 uF 25 VDC SMD/SMT 20 % 2917 50 mOhms 375 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 2917 20% ESR=70mOhms
500In Stock
Cut Tape
Rp158.326
Rp117.598
Rp103.655
Rp92.464
Reel
Rp89.712
Min.: 1
Mult.: 1
: 500
No
47 uF 35 VDC SMD/SMT 20 % 2917 70 mOhms 164.5 uA 4 mm - 55 C + 125 C 7343 X Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 47uF 20% 7343-31 -55 /+125C ESR=70mOhms
2.500Expected 22/04/2027
Cut Tape
Rp49.167
Rp35.041
Rp30.271
Rp26.602
Reel
Rp21.832
Min.: 1
Mult.: 1
Max.: 1.000
: 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 50V 5.6uF 2917 20% ESR=70mOhms
57In Stock
Cut Tape
Rp92.280
Rp73.384
Rp36.692
Reel
Rp30.821
Min.: 1
Mult.: 1
: 500
5.6 uF 50 VDC SMD/SMT 20 % 2917 70 mOhms 28 uA 2.8 mm - 55 C + 125 C 7343 D Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 15uF 2917 20% ESR=90mOhms
430In Stock
Cut Tape
Rp51.919
Rp37.059
Rp31.922
Rp28.069
Rp24.951
Reel
Rp22.015
Min.: 1
Mult.: 1
: 1.000
15 uF 25 VDC SMD/SMT 20 % 2917 90 mOhms 37.5 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35Volt 68uF 7343 20% 125C ESR=50mOhms 9In Stock
21.000On Order
Cut Tape
Rp59.808
Rp44.397
Rp38.343
Rp33.940
Reel
Rp29.721
Min.: 1
Mult.: 1
Max.: 2.000
: 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 20V 22uF 2917 20% ESR=90mOhms 68In Stock
Cut Tape
Rp51.919
Rp37.059
Rp31.922
Rp26.418
Rp23.116
Reel
Rp22.015
Min.: 1
Mult.: 1
: 1.000
22 uF 20 VDC SMD/SMT 20 % 2917 90 mOhms 44 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 16V 33uF 1311 20% ESR=90mOhms 2.610In Stock
Cut Tape
Rp22.566
Rp11.466
Rp10.494
Rp8.861
Rp8.366
Reel
Rp8.164
Min.: 1
Mult.: 1
Max.: 4.000
: 2.000
33 uF 16 VDC SMD/SMT 20 % 1311 90 mOhms 52.8 uA 2.1 mm - 55 C + 105 C 3528 B Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 50V 1uF 1311 20% ESR=200mohms 1.699In Stock
Cut Tape
Rp28.069
Rp19.630
Rp14.402
Rp12.053
Reel
Rp9.210
Min.: 1
Mult.: 1
: 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 20V 68uF 2917 20% ESR=50mOhms 841In Stock
Cut Tape
Rp50.452
Rp34.857
Rp28.620
Rp26.602
Rp23.483
Reel
Rp22.199
Min.: 1
Mult.: 1
: 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
KEMET Tantalum Capacitors - Polymer 25V 22uF 2917 20% ESR=90mOhms
857In Stock
Cut Tape
Rp48.250
Rp34.124
Rp29.354
Rp25.684
Reel
Rp20.731
Min.: 1
Mult.: 1
: 1.000
22 uF 25 VDC SMD/SMT 20 % 2917 90 mOhms 55 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 25V 22uF 2917 20% ESR=60mohms
915In Stock
Cut Tape
Rp50.268
Rp35.775
Rp30.271
Rp27.152
Rp24.033
Reel
Rp21.648
Min.: 1
Mult.: 1
: 1.000
22 uF 25 VDC SMD/SMT 20 % 2917 60 mOhms 55 uA 1.8 mm - 55 C + 105 C 7343 V Case T521 SSD Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 63V 22uF 2917 20% ESR=75mOhms Non-Stocked Lead-Time 25 Weeks
Cut Tape
Rp193.367
Rp139.613
Rp122.001
Rp108.425
Reel
Rp103.471
Rp99.068
Min.: 1
Mult.: 1
: 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 800In Stock
Cut Tape
Rp153.006
Rp113.929
Rp98.335
Rp91.913
Reel
Rp78.154
Min.: 1
Mult.: 1
: 1.000
No
10 uF 50 VDC SMD/SMT 20 % 2917 90 mOhms 50 uA 1.8 mm - 55 C + 125 C 7343 V Case T521 Reel, Cut Tape, MouseReel
KEMET Tantalum Capacitors - Polymer 35V 33uF 7343 ESR=65mOhms 1.819In Stock
Cut Tape
Rp43.480
Rp30.638
Rp26.235
Rp22.933
Reel
Rp18.199
Min.: 1
Mult.: 1
Max.: 2.000
: 1.000
33 uF 35 VDC SMD/SMT 20 % 2917 65 mOhms 115.5 uA 1.8 mm - 55 C + 105 C 7343 V Coded T521 Reel, Cut Tape, MouseReel