RC0603FR-0766K5L
Yageo
Needs validationlow risk
A strong pin-compatible alternative with identical resistance, tolerance, and package.
Best Alternatives to 0603WAF6652T5E
Find and compare substitutes for the UNI-ROYAL 0603WAF6652T5E, a 66.5kΩ 1% 0.1W 0603 thick film resistor. Review pin-compatible and parametric alternatives from Yageo and FOJAN.
AI replacement insight
Electrical risklow
Low for the pin-to-pin match; medium for parametric alternatives due to resistance deviation.
Package risklow
All candidates share the same 0603 package, ensuring form-fit compatibility.
Sourcing risklow
Alternatives are available from major manufacturers like Yageo, indicating good availability.
Can it be replaced directly?
Direct replacement for 0603WAF6652T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The most direct path is Yageo RC0603FR-0766K5L, which matches all primary specifications.
Main risk
The main risk is with parametric alternatives where the resistance value deviates from the original 66.5kΩ, which could affect circuit performance.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | 0603WAF6652T5E | RC0603FR-0766K5L | FRC0603F6492TS | RC0603FR-0764K9L | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 66.5 kΩ | 66.5 kΩ | 64.9 kΩ | 64.9 kΩ | 66.5 kΩ / 64.9 kΩ / 68.1 kΩ — Exact match.; FRC0603F6492TS: Resistance is 2.4% lower. Requires circuit validation.; RC0603FR-0764K9L: Resistance is 2.4% lower. Requires circuit validation.; RC0603FR-0768K1L: Resistance is 2.4% higher. Requires circuit validation. |
| Tolerance | 1% | 1% | 1% | 1% | 1% — Identical precision.; FRC0603F6492TS: matched; RC0603FR-0764K9L: Identical precision.; RC0603FR-0768K1L: Identical precision. |
| Power | 0.1 W | 0.1 W | 0.1 W | 0.1 W | 0.1 W — Identical power rating. Engineering rule ER-RES-003 suggests a 1.5x safety margin.; FRC0603F6492TS: matched; RC0603FR-0764K9L: Data corrected to 0.1W based on part number; rating is identical to target.; RC0603FR-0768K1L: Data corrected to 0.1W based on part number; rating is identical to target. |
| Package | 0603 | 0603 | - | 0603 | 0603 — Identical package ensures form and fit.; RC0603FR-0764K9L: Identical package.; RC0603FR-0768K1L: Identical package. |
| Technology | Thick Film | Thick Film | - | - | Thick Film — Same resistor technology. |
Application & sourcing insights
Questions & answers
Verified drop-in options for 0603WAF6652T5E 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.