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KYOCERA AVX TAJB226K020ANJ — Specialty Capacitors

TAJB226K020ANJ – KYOCERA AVX Molded 22 µF Tantalum Capacitor

MPNTAJB226K020ANJ
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KYOCERA AVX TAJ series, molded tantalum capacitor, 22 µF ±10%, 20 V rated, B case size 1411 (3528 metric), 1.8 ohm ESR at 100 kHz, -55°C to 125°C, 2000 hours at 125°C.

$0.7028Ref. price · indicative, final on quote
KYOCERA AVX TAJB226K020ANJ datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

TAJB226K020ANJ specifications
ParameterValue
TypeMolded
SeriesTAJ
MountingSurface Mount
ESR1.8Ohm @ 100kHz
Voltage - rated20 V
Operating temperature-55°C~125°C
Size (Dimension)0.138\" L x 0.110\" W (3.50mm x 2.80mm)
Height - seated0.083\" (2.10mm)
PackageTape & Reel (TR)
FeaturesGeneral Purpose
Tolerance±10%
Capacitance22 µF
Case1411 (3528 Metric)
Lifetime2000 Hrs @ 125°C
Manufacturer size codeB

Product details

The TAJB226K020ANJ is a molded tantalum capacitor from the KYOCERA AVX TAJ series, 22 µF ±10% with a 20 V rating in the B case size (1411 / 3528 metric).

ESR and ripple — what the 1.8 ohm rating means for your BOM

The 1.8 ohm ESR at 100 kHz sets the capacitor's ripple current capability — in a 500 kHz buck converter output filter, the self-heating from ripple current through this ESR adds to the 125°C ambient, so the 2000-hour life rating assumes the ripple current stays within the manufacturer's derating curve. For a 20 V rail with 100 mV pk-pk ripple, the ripple current through this capacitor is roughly 56 mA RMS — well within the typical derated limit for a B case at 125°C, but a layout engineer should verify the thermal impedance of the board's copper pour under the capacitor.

Frequently asked questions

What is the closest pin-compatible alternative to TAJB226K020ANJ in the TAJ series?

Within the TAJ series, a B case size (1411) 22 µF capacitor with a different voltage rating (e.g., 16 V or 25 V) or tolerance (e.g., ±20%) would be footprint-compatible. The exact replacement depends on the required voltage derating and ESR target — confirm the BOM's voltage and tolerance requirements before substituting.