
TAIYO YUDEN
Active upgrade with a higher 50V rating, matching package, capacitance, and dielectric.
GRM188R71C105KE15D is an obsolete 1uF 16V 0603 ceramic capacitor. Several active, pin-compatible and upgrade-path replacements are available from major manufacturers, ensuring continued production and improved design margin.
Key parameters match or are improved. Secondary parameters (ESR, DC bias) should be checked for sensitive applications.
All recommended alternatives use the same 0603 package, ensuring form and fit compatibility.
Target is obsolete; switching to active, high-volume parts from major manufacturers reduces sourcing risk.
Yes, several direct replacements exist. EMK107B7105KA-T and CL10B105KO8NNNC are active parts with matching 1uF, 16V, X7R, and 0603 specs.
The best replacement path is choosing an active part like UMK107AB7105KA-T, which offers a higher voltage rating (50V) for increased design margin.
The primary risk is variation in secondary electrical parameters (e.g., ESR, DC bias effect) between manufacturers, which could affect performance in sensitive circuits.

TAIYO YUDEN
Active upgrade with a higher 50V rating, matching package, capacitance, and dielectric.
| Feature / factor | GRM188R71C105KE15D | UMK107AB7105KA-T | CL10B105KO8NNNC | EMK107B7105KA-T | Compatibility / risk |
|---|---|---|---|---|---|
| Voltage | 16V | 50V | - | - | 16V — Identical voltage rating. |
| Package | 0603 | 0603 | - | - | 0603 — Same package size. |
| Capacitance | 1uF ±10% | 1uF ±10% | - | - | 1uF ±10% — Identical capacitance and tolerance. |
| Dielectric | X7R | X7R | - | - | X7R — Same temperature characteristic. |
| Lifecycle | Obsolete | Mass Production | - | - | Active — Active part replaces obsolete target. |
The best alternative is UMK107AB7105KA-T from Taiyo Yuden. It is an active part in the same 0603 package with identical capacitance but a higher 50V rating, providing a robust upgrade.