
Strong pin-compatible match from TDK with identical key specs, package, and AEC-Q200 automotive qualification.
Find pin-compatible substitutes and functional alternatives for the Yageo AC0805KKX7R0BB104, an automotive-grade 100nF 100V 0805 ceramic capacitor. Compare options from TDK, Yageo, and others.
Using a non-AEC-Q200 part in an automotive application is a significant compliance and reliability risk.
All suggested alternatives are in the same 0805 package, ensuring physical compatibility.
Direct replacement for AC0805KKX7R0BB104 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The TDK CGA4J2X7R2A104KT0Y0U is the best direct replacement, offering matching AEC-Q200 qualification and key electrical parameters.
The main risk is using a non-automotive qualified capacitor in an application that requires AEC-Q200 standards, which can affect reliability and compliance.

Strong pin-compatible match from TDK with identical key specs, package, and AEC-Q200 automotive qualification.
| Feature / factor | AC0805KKX7R0BB104 | CGA4J2X7R2A104KT0Y0U | CC0805JKX7R0BB104 | CGA0805X7R104K201MT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 (2012 metric) | 0805 (2012 metric) | 0805 (2012 Metric) | 0805 | 0805 (2012 metric) / 0805 (2012 Metric) — Package size matches.; CC0805JKX7R0BB104: Package size matches.; CGA0805X7R104K201MT: Package size matches.; NM0805B104K251CEDN: Package size matches. |
| Voltage | 100V | 100V | - | 200V | 100V / 200V / 250V — Voltage rating matches.; CGA0805X7R104K201MT: Higher voltage rating provides more margin.; NM0805B104K251CEDN: Higher voltage rating provides more margin. |
| Tolerance | ±10% | ±10% | ±5% | - | ±10% / ±5% — Tolerance matches.; CC0805JKX7R0BB104: Tighter tolerance is a safe upgrade. |
| Application | AEC-Q200 Automotive | AEC-Q200 | General Purpose | General Purpose (Unconfirmed Auto) | AEC-Q200 / General Purpose / General Purpose (Unconfirmed Auto) — Automotive qualification matches.; CC0805JKX7R0BB104: This is the commercial grade part, not automotive.; CGA0805X7R104K201MT: AEC-Q200 qualification is not specified.; NM0805B104K251CEDN: Candidate is not AEC-Q200 qualified. |
Verified drop-in options for AC0805KKX7R0BB104 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.