Best Alternatives to TAJB475K010RNJ

Package: 1210 (3528 Metric)AVXProgrammersVoltage Rating DC: 10 VDCMfr Case Code: B CaseTolerance: 10 %Case Code - in: 1210Maximum Operating Temperature: + 125 C

Reviewing alternatives for the AVX TAJB475K010RNJ, a 4.7uF 10V 1210 Tantalum capacitor. While no direct replacements exist, several functional and parametric alternatives are available with varying risks.

AI replacement insight

Package riskhigh

Most alternatives are not in a 1210 package, preventing drop-in replacement.

Electrical riskhigh

Candidates have different capacitance, ESR, or are a different technology (MLCC).

Can it be replaced directly?

No direct, fully-equivalent replacement for TAJB475K010RNJ is available in this list. All candidates have significant differences in package, capacitance, or capacitor technology.

Best replacement path

For a drop-in attempt, TAJB335K035RNJ has the same package but lower capacitance, requiring validation. For new designs, TAJD475K050RNJ offers upgraded performance in a different package.

Main risk

The primary risks are package mismatches requiring board redesign, or significant parametric deviations like lower capacitance or different capacitor technology (MLCC vs. Tantalum).

Recommended alternatives

3
TAJD475K050RNJ package
Needs validationmedium risk

Parametric upgrade (higher voltage, lower ESR) but in a larger 2917 package, requiring board changes.

View details

Alternative comparison matrix

Feature / factorTAJB475K010RNJTAJD475K050RNJTAJR475K010RNJTAJB335K035RNJCompatibility / risk
Package1210 (3528 Metric)2917 (7343 Metric)0805 (2012 Metric)3528 (1210)2917 (7343 Metric) / 0805 (2012 Metric) / 3528 (1210) / 1210 (3225 metric) — Larger package requires PCB redesign.; TAJR475K010RNJ: Smaller package requires PCB redesign.; TAJB335K035RNJ: Package is a direct match.; 12101C475K4T2A: Package size is compatible for footprint.
Voltage10V50V10V35V50V / 10V / 35V / 100V — Higher voltage rating.; TAJR475K010RNJ: Voltage rating matches.; TAJB335K035RNJ: Higher voltage rating.; 12101C475K4T2A: Higher voltage rating provides more margin.
Esr4 Ohm1.4 Ohms9 Ohms3.5 Ohms1.4 Ohms / 9 Ohms / 3.5 Ohms — Lower ESR is an improvement.; TAJR475K010RNJ: Higher ESR may affect performance.; TAJB335K035RNJ: Slightly lower ESR.
Capacitance4.7µF4.7µF4.7µF3.3µF4.7µF / 3.3µF — Capacitance value matches.; TAJR475K010RNJ: Capacitance value matches.; TAJB335K035RNJ: 30% lower capacitance is a major deviation.; 12101C475K4T2A: Capacitance value matches.
TechnologyTantalum---MLCC (X7R) — Target is Tantalum. MLCC has different DC bias, ESR, and failure modes.

Application & sourcing insights

Questions & answers

TAJB335K035RNJ shares the 1210 package but has lower 3.3uF capacitance. If a board redesign is possible, TAJD475K050RNJ is a functional upgrade in a 2917 package.