Is there a pin-compatible replacement for TAJD476K020RNJ?

TAJD336K025RNJ shares the same 7343 (D-case) package and pinout but has a lower capacitance of 33µF instead of 47µF. This difference must be evaluated for your specific application.

What risks should I check before replacing TAJD476K020RNJ?

Key risks include package size mismatch, which requires PCB layout changes, and differences in capacitance, which can affect circuit stability and performance. Always verify the substitute's voltage rating is equal to or greater than the original 20V.

TAJD476K020RNJ Alternatives, Datasheet & Cross Reference | AVX

Reviewing alternatives for the AVX TAJD476K020RNJ, a 47µF 20V tantalum capacitor in a 7343/D-case package. Key considerations for substitutes include matching capacitance, voltage rating, and physical footprint.

AI replacement insight

Package riskhigh

Some candidates have a different package (C-case vs D-case), requiring board redesign.

Electrical riskmedium

Candidates may have different capacitance or ESR that must be validated for the application.

Sourcing risklow

Alternatives are available from the same manufacturer, but stock should be verified.

Can it be replaced directly?

No direct, drop-in replacement for TAJD476K020RNJ was identified. All candidates have significant differences in package or key electrical parameters.

Best replacement path

Functional alternate with different package (TAJC476K020RNJ) or same package with relaxed capacitance (TAJD336K025RNJ).

Main risk

The primary risks are physical incompatibility (package mismatch) and functional deviation (capacitance mismatch).

Recommended alternatives

Functionally similar with same capacitance and voltage, but in a smaller package requiring board redesign.

View details

Alternative comparison matrix

Feature / factor	TAJD476K020RNJ	TAJC476K020RNJ	TAJD336K025RNJ	Compatibility / risk
Package	7343 (2917 Metric)	2312 (6032 Metric)	7343 (2917 Metric)	2312 (6032 Metric) / 7343 (2917 Metric) — Smaller C-case requires PCB redesign.; TAJD336K025RNJ: Same D-case package.
Capacitance	47 µF	47 µF	33 µF	47 µF / 33 µF — Capacitance matches.; TAJD336K025RNJ: Lower capacitance requires circuit validation.
Voltage	20 V	20 V	25 V	20 V / 25 V — Voltage rating matches.; TAJD336K025RNJ: Higher voltage rating provides more margin.
Esr	900 mΩ	500 mΩ	-	500 mΩ — Lower ESR is generally an improvement.
Tolerance	10 %	-	10 %	10 % — Tolerance matches.

Application & sourcing insights

Questions & answers

There are no direct drop-in replacements found. TAJC476K020RNJ is a functional match with a smaller package (C-case), while TAJD336K025RNJ has the same package but lower capacitance (33µF). Both require engineering review.