293D105X9035A2TE3
Vishay Sprague
Needs validationlow risk
A 1µF 35V tantalum capacitor from Vishay in a matching Case A (1206) package, offering similar core parameters.
Best Alternatives to CA45-A-35V-1uF-K
CA45-A-35V-1uF-K is a 1µF 35V tantalum capacitor in a Case A (1206) package. While form-fit-function alternatives exist, engineers should review all parameters before substitution.
AI replacement insight
Package riskhigh
Some candidates have different package sizes, requiring a new PCB layout.
Electrical riskmedium
Switching to ceramic (MLCC) technology affects ESR, DC bias, and leakage current.
Can it be replaced directly?
Yes, 293D105X9035A2TE3 is a potential form-fit-function replacement. It is a tantalum capacitor with the same key electrical parameters and package size.
Best replacement path
The strongest candidate is 293D105X9035A2TE3 from Vishay, which matches the package, capacitance, voltage, and technology.
Main risk
The main risks involve package mismatches requiring a PCB redesign, or changing capacitor technology (from tantalum to ceramic), which requires careful engineering review.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | CA45-A-35V-1uF-K | 293D105X9035A2TE3 | CA45B-B-50V-1UF-K | TCC1206X7R105K500HT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | A (3.2x1.6mm) | 3216-18 (1206 Metric) | 3528-19 (B) | 1206 (3216 Metric) | 3216-18 (1206 Metric) / 3528-19 (B) / 1206 (3216 Metric) — Candidate package is equivalent to target's Case A.; CA45B-B-50V-1UF-K: Larger package, requires layout change.; TCC1206X7R105K500HT: Package size matches. |
| Technology | Tantalum | Tantalum | - | Ceramic (MLCC) | Tantalum / Ceramic (MLCC) — Same capacitor technology.; TCC1206X7R105K500HT: Different technology requires engineering review. |
| Voltage | 35V | 35V | 50V | 50V | 35V / 50V — Voltage rating matches.; CA45B-B-50V-1UF-K: Higher voltage rating provides more margin.; TCC1206X7R105K500HT: Higher voltage rating. |
| Capacitance | 1µF | 1µF | 1µF | - | 1µF — Capacitance matches.; CA45B-B-50V-1UF-K: Capacitance matches. |
| Manufacturer | XY (Zhenhua Xinyun) | Vishay Sprague | XY (Jiangsu Zhenhua Xinyun Electronics) | - | Vishay Sprague / XY (Jiangsu Zhenhua Xinyun Electronics) — Cross-vendor alternative.; CA45B-B-50V-1UF-K: Same manufacturer. |
| Dielectric | Tantalum | - | - | X7R | X7R — MLCC dielectric, check DC bias effects. |
Application & sourcing insights
Questions & answers
The Vishay 293D105X9035A2TE3 is a strong candidate, offering the same 1µF capacitance, 35V rating, and Case A (1206) package. It is a tantalum capacitor from a different manufacturer.