293D105X9025A2TE3
Vishay Sprague
Needs validationlow risk
Strong upgrade from Vishay with higher voltage, lower ESR, and a compatible Case A package.
Best Alternatives to CA45-A-16V-1uF-K
CA45-A-16V-1uF-K is a general-purpose 1.0µF, 16V tantalum capacitor in a standard 3216 Case A package. Several strong alternatives and direct upgrades are available from major manufacturers.
AI replacement insight
Package risklow
Case A (3216) is standard, but height can vary. Verify Z-axis clearance.
Electrical risklow
Key parameters (1uF, 16V) are common. Check ESR for performance-sensitive applications.
Sourcing risklow
This is a common capacitor value and package with many available vendors.
Can it be replaced directly?
Direct replacement for CA45-A-16V-1uF-K should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
293D105X9035A2TE3 from Vishay is an excellent upgrade, offering higher voltage (35V) and lower ESR (7.5Ω) in a compatible package.
Main risk
The primary risks are ensuring the physical package fits, especially height, and that the replacement's ESR meets or exceeds the original's performance.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | CA45-A-16V-1uF-K | 293D105X9025A2TE3 | 293D105X9035A2TE3 | T491A105K016AT | Compatibility / risk |
|---|---|---|---|---|---|
| Voltage | 16 V | 25 V | 35 V | 16 V | 25 V / 35 V / 16 V — Higher voltage rating provides more margin.; 293D105X9035A2TE3: Higher voltage rating provides more margin.; T491A105K016AT: Exact match.; CA45-A-35V-1uF-K: Higher voltage rating provides more margin. |
| Esr | 10 Ohm | 7.6 Ω | 7.5 Ω | 10 Ohm | 7.6 Ω / 7.5 Ω / 10 Ohm / 16 Ohm — Lower ESR is an improvement.; 293D105X9035A2TE3: Lower ESR is an improvement.; T491A105K016AT: ESR matches target.; CA45-A-35V-1uF-K: Higher ESR may affect circuit performance. |
| Package | 3216-16 (Case A) | 3216-18 (1206) | 3216-18 (Case A) | 3216-18 (Case A) | 3216-18 (1206) / 3216-18 (Case A) — Same footprint, may be slightly taller.; 293D105X9035A2TE3: Same footprint, may be slightly taller.; T491A105K016AT: Same footprint, candidate is 0.2mm taller.; CA45-A-35V-1uF-K: Same Case A package. |
| Capacitance | 1.0 µF | - | - | 1.0 µF | 1.0 µF — Exact match. |
Application & sourcing insights
Questions & answers
Verified drop-in options for CA45-A-16V-1uF-K 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.