0603WAF6652T5E
UNI-ROYAL
Needs validationmedium risk
A potential pin-compatible match, but requires datasheet review to confirm the temperature coefficient (TCR).
Best Alternatives to RC0603FR-0766K5L
Finding a substitute for the Yageo RC0603FR-0766K5L, a 66.5kΩ 1% 0.1W 0603 resistor, requires careful matching of electrical and physical parameters. This page analyzes potential alternatives to aid in your selection process.
AI replacement insight
Electrical riskmedium
Resistance or TCR mismatch can affect circuit performance. Verification is essential.
Package risklow
All candidates use the same 0603 package, ensuring physical compatibility.
Sourcing risklow
Multiple vendors produce similar 0603 resistors, providing good availability.
Can it be replaced directly?
Direct replacement for RC0603FR-0766K5L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
A direct pin-to-pin match if TCR is confirmed, otherwise a parametric alternative with a slightly different resistance value.
Main risk
Electrical mismatch, specifically the resistance value and temperature coefficient (TCR).
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RC0603FR-0766K5L | 0603WAF6652T5E | FRC0603F6492TS | RC0603FR-0764K9L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Same EIA package ensures form/fit compatibility.; FRC0603F6492TS: Same EIA package ensures form/fit compatibility.; RC0603FR-0764K9L: Same EIA package ensures form/fit compatibility.; RC0603FR-0768K1L: Same EIA package ensures form/fit compatibility. |
| Resistance | 66.5 kΩ | 66.5 kΩ | 64.9 kΩ | 64.9 kΩ | 66.5 kΩ / 64.9 kΩ / 68.1 kΩ — Resistance value is an exact match.; FRC0603F6492TS: Resistance is -2.4% lower; check circuit tolerance.; RC0603FR-0764K9L: Resistance is -2.4% lower; check circuit tolerance.; RC0603FR-0768K1L: Resistance is +2.4% higher; check circuit tolerance. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Tolerance is an exact match.; FRC0603F6492TS: Tolerance is an exact match.; RC0603FR-0764K9L: Tolerance is an exact match.; RC0603FR-0768K1L: Tolerance is an exact match. |
| Power | 0.1 W | 0.1 W | - | - | 0.1 W — Power rating is an exact match. |
| Tcr | ±100 ppm/°C | Not specified | ±100 ppm/°C | ±100 ppm/°C | Not specified / ±100 ppm/°C — TCR is a key parameter for precision and is missing.; FRC0603F6492TS: TCR is an exact match.; RC0603FR-0764K9L: TCR is an exact match.; RC0603FR-0768K1L: TCR is an exact match. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RC0603FR-0766K5L 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.