0402WGF1802TCE
UNI-ROYAL
Needs validationlow risk
Potential pin-compatible alternative from UNI-ROYAL with matching primary electricals; datasheet review for TCR is required.
Best Alternatives to RC0402FR-0718KL
Yageo's RC0402FR-0718KL is a common 18kΩ 1% 0402 thick film resistor. While direct replacements exist, engineers should verify temperature coefficient (TCR) and other secondary parameters for their specific application.
AI replacement insight
Electrical riskmedium
Unknown Temperature Coefficient (TCR) on the best alternative requires datasheet verification.
Package risklow
All viable candidates use the same standard 0402 package.
Sourcing risklow
This is a high-volume, multi-source commodity resistor value.
Can it be replaced directly?
Yes, UNI-ROYAL 0402WGF1802TCE is a potential pin-to-pin replacement for RC0402FR-0718KL, offering the same resistance, tolerance, power rating, and package. However, its temperature coefficient (TCR) must be confirmed to match the ±100 ppm/°C of the Yageo part.
Best replacement path
Use a cross-vendor part with identical primary specifications, such as UNI-ROYAL's 0402WGF1802TCE, after verifying the temperature coefficient.
Main risk
The primary risk is substituting with a part that has an unverified or wider temperature coefficient (TCR), which can affect circuit stability in precision applications.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RC0402FR-0718KL | 0402WGF1802TCE | FRC0402F1742TS | 0402WGF1782TCE | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | - | - | 0402 — Package size matches. |
| Resistance | 18kΩ | 18kΩ | - | - | 18.2kΩ — Resistance is 1.1% higher than target. |
| Tolerance | ±1% | ±1% | - | - | ±1% — Tolerance matches. |
| Power | 1/16W | 1/16W | - | - | 1/16W — Power rating matches. |
| Tcr | ±100 ppm/°C | Unknown | - | - | Unknown — Candidate TCR is not specified in provided data. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RC0402FR-0718KL 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.