Needs validationlow risk
A likely pin-compatible replacement with tighter tolerance and lower ESR.
Best Alternatives to CA45-B-25V-10uF-M
Find and evaluate substitutes for the XY CA45-B-25V-10uF-M, a 10µF 25V Tantalum capacitor in a B-case package. Analysis includes pin-compatible upgrades, functional alternates, and high-risk downgrades to help you make an informed decision.
AI replacement insight
Package riskhigh
Several candidates have different packages (D-case, 1210) that are not drop-in compatible.
Electrical riskhigh
One candidate has a lower voltage rating. Technology changes (Polymer, MLCC) require circuit re-evaluation.
Sourcing risklow
Multiple manufacturers produce similar 10uF/25V tantalum capacitors.
Can it be replaced directly?
Direct replacement for CA45-B-25V-10uF-M should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use CA45A-B-25V-10uF-K for a direct, upgraded replacement.
Main risk
The main risk is selecting a substitute with an incompatible package (not B-case) or a lower voltage rating, which could lead to board assembly or reliability issues.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | CA45-B-25V-10uF-M | CA45A-B-25V-10uF-K | CA45B-B-25V-10UF-K | UMK325AB7106KMHP | Compatibility / risk |
|---|---|---|---|---|---|
| Package | B | B | 3528-19 | 1210 (3225 Metric) | B / 3528-19 / 1210 (3225 Metric) — Same EIA case code.; CA45B-B-25V-10UF-K: Likely compatible with B-case (3528), but height is different.; UMK325AB7106KMHP: Different package and land pattern. |
| Voltage | 25.0 V | 25.0 V | 25.0 V | 50.0 V | 25.0 V / 50.0 V — Voltage rating is identical.; CA45B-B-25V-10UF-K: Voltage rating is identical.; UMK325AB7106KMHP: Higher voltage rating. |
| Capacitance | 10.0 uF | 10.0 uF | - | 10.0 uF | 10.0 uF — Capacitance is identical.; UMK325AB7106KMHP: Nominal value matches, but will decrease with DC bias. |
| Tolerance | ±20.0% | ±10.0% | - | - | ±10.0% — Candidate has tighter tolerance. |
| Esr | 6.0 Ohm | 3.0 Ohm | 1.4 Ohm | - | 3.0 Ohm / 1.4 Ohm — Candidate has significantly lower ESR.; CA45B-B-25V-10UF-K: Polymer tech provides much lower ESR. |
| Technology | Tantalum (MnO2) | - | Tantalum Polymer | Ceramic (MLCC) | Tantalum Polymer / Ceramic (MLCC) — Different capacitor technology.; UMK325AB7106KMHP: Completely different technology with different performance characteristics (DC bias, etc). |
Application & sourcing insights
Questions & answers
Verified drop-in options for CA45-B-25V-10uF-M are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.