
UNI-ROYAL
Matches resistance, power, and package, but requires review to confirm the temperature coefficient (TCR).
Finding a substitute for the Yageo RC0402FR-0727K4L involves matching its 27.4kΩ resistance, 1% tolerance, and 0402 package. While direct matches exist, several close parametric alternatives offer flexibility in sourcing.
Resistance deviation is the main factor. Missing TCR on some parts increases risk.
All candidates are in the same 0402 package.
The target is a common resistor value, and many alternatives exist from major manufacturers.
Direct replacement for RC0402FR-0727K4L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The most direct path is 0402WGF2742TCE, pending TCR verification. If a small resistance change is acceptable, ERJ2RKF2702X (27kΩ) and RC0402FR-0728KL (28kΩ) are excellent options.
The primary risk is substituting with a part that has a slightly different resistance value, which could affect circuit performance in sensitive applications like voltage dividers or filter circuits.

UNI-ROYAL
Matches resistance, power, and package, but requires review to confirm the temperature coefficient (TCR).
| Feature / factor | RC0402FR-0727K4L | 0402WGF2742TCE | ERJ2RKF2702X | RC0402FR-0728KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Form factor matches.; ERJ2RKF2702X: Form factor matches.; RC0402FR-0728KL: Form factor matches. |
| Resistance | 27.4kΩ | 27.4kΩ | 27kΩ | 28kΩ | 27.4kΩ / 27kΩ / 28kΩ / 26.1kΩ — Resistance value matches.; ERJ2RKF2702X: Resistance is -1.5% lower.; RC0402FR-0728KL: Resistance is +2.2% higher.; CRCW040226K1FKED: Resistance is -4.7% lower. |
| Tolerance | ±1% | ±1% | - | ±1% | ±1% — Tolerance matches.; RC0402FR-0728KL: Tolerance matches. |
| Power | 0.0625W | 0.0625W | 0.1W | - | 0.0625W / 0.1W — Power rating matches.; ERJ2RKF2702X: Higher power rating is a safe upgrade. |
| Tcr | ±100 ppm/°C | Unknown | ±100 ppm/°C | ±100 ppm/°C | Unknown / ±100 ppm/°C / ±100 ppm/K — TCR is not specified and must be verified.; ERJ2RKF2702X: TCR matches.; RC0402FR-0728KL: TCR matches.; CRCW040226K1FKED: TCR matches. |
Verified drop-in options for RC0402FR-0727K4L 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.