GRT188C81E475KE13D
Murata Electronics
Needs validationmedium risk
A 0603 capacitor with higher voltage but a lower max operating temperature (105°C vs 125°C).
Best Alternatives to GRM188C71C475KE21D
Reviewing alternatives for the Murata GRM188C71C475KE21D, a 4.7µF 16V 0603 MLCC. Key considerations for substitutes include matching the X7S dielectric for temperature stability and operating range.
AI replacement insight
Electrical riskmedium
Dielectric change affects temperature stability and operating range.
Package risklow
Several candidates match the 0603 package.
Can it be replaced directly?
No direct, fully equivalent replacement was found. All viable candidates require a trade-off, primarily a lower maximum operating temperature.
Best replacement path
Use a parametric alternative with a lower temperature rating (e.g., X6S or X5R dielectric) after verifying the application's maximum operating temperature.
Main risk
Thermal performance degradation due to different dielectric material (X5R/X6S vs. target's X7S).
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | GRM188C71C475KE21D | GRT188C81E475KE13D | GRM188R61C475KAAJD | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 metric) | 0603 (1608 metric) | 0603 (1608 Metric) | 0603 (1608 metric) / 0603 (1608 Metric) — Package size matches.; GRM188R61C475KAAJD: Package size matches. | |
| Voltage | 16.0V | 25.0V | 16.0V | 25.0V / 16.0V — Higher voltage rating is a safe upgrade.; GRM188R61C475KAAJD: matched | |
| Dielectric | X7S (-55°C to 125°C) | X6S (-55°C to 105°C) | X5R (-55°C to 85°C) | X6S (-55°C to 105°C) / X5R (-55°C to 85°C) — Lower max temperature.; GRM188R61C475KAAJD: Significantly lower max temperature. | |
| Capacitance | 4.7e-06F | 4.7e-06F | 4.7e-06F | 4.7e-06F — matched; GRM188R61C475KAAJD: matched | |
| Application | General Purpose | AEC-Q200 | - | AEC-Q200 — Candidate is automotive grade. |
Application & sourcing insights
Questions & answers
No direct drop-in replacement has been identified. Several Murata parts like GRT188C81E475KE13D offer the same capacitance and package but have a lower maximum operating temperature. Engineering review is required.