GCM21BC71E475KE36L
Murata Electronics
Needs validationmedium risk
Strong automotive-grade alternative with higher voltage, but requires review of X7S dielectric performance.
Best Alternatives to GCM21BR71C475KA73L
Finding a substitute for the Murata GCM21BR71C475KA73L, a 4.7µF 16V 0805 automotive-grade X7R capacitor, involves balancing electrical parameters and qualification standards. Several alternatives exist but require careful review.
AI replacement insight
Electrical riskhigh
Using a part with a different dielectric (X5R, X7S) can affect circuit stability and performance over temperature.
Sourcing riskhigh
Using a non-AEC-Q200 part in an automotive design can lead to qualification failure and field reliability issues.
Package risklow
All candidates share the same 0805 package, ensuring physical compatibility.
Can it be replaced directly?
No direct drop-in replacement has been identified. All candidates require engineering review due to differences in automotive qualification or dielectric characteristics.
Best replacement path
Use an alternative from Murata's GCM series, such as GCM21BC7YA475KE36L. These match the automotive grade but have an X7S dielectric, which requires engineering validation.
Main risk
The primary risk is substituting a general-purpose capacitor for an automotive-grade one, which could compromise reliability and safety.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | GCM21BR71C475KA73L | GCM21BC71E475KE36L | GCM21BC7YA475KE36L | GRT21BR61H475KE13L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 (2012 metric) | 0805 (2012 metric) | 0805 (2012 metric) | 0805 (2012 metric) | 0805 (2012 metric) — Package size matches.; GCM21BC7YA475KE36L: Package size matches.; GRT21BR61H475KE13L: Package size matches.; GRM21BZ71H475KE15K: Package size matches. |
| Voltage | 16.0V | 25.0V | 35.0V | 50.0V | 25.0V / 35.0V / 50.0V — Higher voltage rating provides more margin.; GCM21BC7YA475KE36L: Higher voltage rating provides more margin.; GRT21BR61H475KE13L: Higher voltage rating provides more margin.; GRM21BZ71H475KE15K: Higher voltage rating provides more margin. |
| Dielectric | X7R | X7S | X7S | X5R | X7S / X5R / X7R — X7S has wider capacitance variance over temp (±22%) than X7R (±15%).; GCM21BC7YA475KE36L: X7S has wider capacitance variance over temp (±22%) than X7R (±15%).; GRT21BR61H475KE13L: X5R has a narrower operating temperature range for its spec (-55°C to +85°C) vs X7R (-55°C to +125°C).; GRM21BZ71H475KE15K: Dielectric material matches. |
| Application | Automotive (AEC-Q200) | Automotive | Automotive | Automotive | Automotive / General Purpose — Both are AEC-Q200 qualified.; GCM21BC7YA475KE36L: Both are AEC-Q200 qualified.; GRT21BR61H475KE13L: Both are AEC-Q200 qualified.; GRM21BZ71H475KE15K: Candidate is not AEC-Q200 qualified, unlike the target. |
Application & sourcing insights
Questions & answers
The best alternatives are other AEC-Q200 qualified parts like GCM21BC7YA475KE36L or GCM21BC71E475KE36L. They have a higher voltage rating but use an X7S dielectric, which requires review for your application.