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KYOCERA AVX TAJB106K020RNJ — Specialty Capacitors

TAJB106K020RNJ – 10 µF 20 V Molded Tantalum, B Case

MPNTAJB106K020RNJ
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KYOCERA AVX TAJ series, molded tantalum, 10 µF ±10%, 20 V rated, 2.1 Ohm ESR, B-size 1411 (3528 Metric) case, -55°C to 125°C

$0.5000Ref. price · indicative, final on quote
KYOCERA AVX TAJB106K020RNJ datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

TAJB106K020RNJ specifications
ParameterValue
TypeMolded
SeriesTAJ
MountingSurface Mount
ESR2.1Ohm
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) Cut Tape (CT)
FeaturesGeneral Purpose
Tolerance±10%
Capacitance10 µF
Case1411 (3528 Metric), 1210
Manufacturer size codeB

Product details

10 µF, 20 V, 2.1 Ohm ESR — B-size molded tantalum

The 2.1 Ohm ESR at 100 kHz defines the ripple-current ceiling and self-heating limit in a bulk-decoupling or output-filter position — a design rule: keep the RMS current below ~400 mA at 85°C to stay inside the derating curve.

No AEC-Q100 grade is claimed — this is an industrial/defence-grade tantalum, not an automotive PPAP part.

Sourced through independent distribution; RFQ confirms current lead time and lot availability.

1411 (3528 Metric) footprint — B case

The 3.50 mm x 2.80 mm body with 2.10 mm seated height (B code) uses the standard 1210 / 3528-10 land pattern. The molded case is polarity-marked with a band; reverse-voltage application will short the part — verify orientation during pick-and-place programming.

Frequently asked questions

Can I replace TAJB106K020RNJ with a ceramic capacitor?

A 10 µF, 25 V X7R ceramic in a 1210 case is a functional alternative for bulk decoupling if the circuit tolerates the DC-bias derating (ceramic loses ~50% capacitance at 20 V) and the absence of tantalum's higher ESR. The ceramic will have lower ESR (~5 mOhm) and no polarity constraint, but it will also lack the damped frequency response that the 2.1 Ohm ESR provides in some input-filter designs.