Needs validationhigh risk
Functional alternative with higher voltage but in a slightly larger package requiring board redesign.
Best Alternatives to TAJA476K006RNJ
Finding a substitute for the AVX TAJA476K006RNJ, a 47µF 6.3V tantalum capacitor in a compact 3216 (A-Case) package, requires careful review. While several parts offer similar electrical characteristics, they come in different physical packages, necessitating board layout adju...
AI replacement insight
Package riskhigh
All candidates have different footprints (B, C, D, E cases vs A case).
Electrical risklow
Most candidates offer superior voltage ratings and ESR. One has lower capacitance.
Sourcing riskmedium
Alternatives are available but require engineering effort to implement.
Can it be replaced directly?
No direct, drop-in replacement has been identified. All candidates require a board redesign due to different physical package sizes.
Best replacement path
Modify the PCB layout to accommodate a functional alternative with a higher voltage rating, such as the TAJB476K010RNJ in a B-Case package.
Main risk
The primary risk is mechanical incompatibility. All potential substitutes are in different packages, preventing a drop-in replacement and forcing a PCB redesign.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | TAJA476K006RNJ | TAJB476K010RNJ | TAJC476K016RNJ | TAJD476K016RNJ | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 3216 (A Case) | 3528 (B Case) | 6032 (C Case) | 7343 (D Case) | 3528 (B Case) / 6032 (C Case) / 7343 (D Case) — Candidate is slightly larger, requires board redesign.; TAJC476K016RNJ: Candidate is larger, requires board redesign.; TAJD476K016RNJ: Candidate is significantly larger, requires board redesign.; TAJD476K025RNJ: Candidate is significantly larger, requires board redesign. |
| Voltage | 6.3V | 10.0V | 16.0V | 16.0V | 10.0V / 16.0V / 25.0V — Higher voltage rating provides more design margin.; TAJC476K016RNJ: Higher voltage rating provides more design margin.; TAJD476K016RNJ: Higher voltage rating provides more design margin.; TAJD476K025RNJ: Higher voltage rating provides more design margin. |
| Capacitance | 47µF | 47µF | 47µF | 47µF | 47µF — matched; TAJC476K016RNJ: matched; TAJD476K016RNJ: matched; TAJD476K025RNJ: matched |
| Esr | 1.6Ω | 1.0Ω | 500mΩ | 800mΩ | 1.0Ω / 500mΩ / 800mΩ / 900mΩ — Lower ESR is generally beneficial.; TAJC476K016RNJ: Lower ESR is generally beneficial.; TAJD476K016RNJ: Lower ESR is generally beneficial.; TAJD476K025RNJ: Lower ESR is generally beneficial. |
Application & sourcing insights
Questions & answers
The AVX TAJB476K010RNJ is a potential functional alternative. It offers the same 47µF capacitance with a higher 10V rating, but comes in a slightly larger 3528 (B-Case) package. A board layout modification is required.