RC0603FR-0786K6L
Yageo
Needs validationlow risk
A strong pin-compatible alternative from Yageo with matching key electrical parameters and package.
Best Alternatives to RS-03K8662FT
Finding a replacement for the RS-03K8662FT, an 86.6kΩ 1% 0603 resistor, involves considering both direct matches and parametric alternatives. Several options exist with varying precision and resistance values.
AI replacement insight
Electrical riskmedium
Medium if using parts with different resistance or technology. Low for direct matches.
Package risklow
Low, as all top candidates are in the same 0603 package.
Sourcing risklow
Low, as candidates are common resistor values from major manufacturers.
Can it be replaced directly?
Direct replacement for RS-03K8662FT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The most direct path is RC0603FR-0786K6L, which is a form, fit, and function match. For improved performance, RT0603BRD0786K6L offers a precision upgrade.
Main risk
The main risk is selecting a parametric alternative with a different resistance value (e.g., 91kΩ or 82kΩ) without verifying its impact on circuit performance.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | RS-03K8662FT | RC0603FR-0786K6L | RT0603BRD0786K6L | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 — Identical package ensures form-fit compatibility.; RT0603BRD0786K6L: Identical package ensures form-fit compatibility. | |
| Resistance | 86.6kΩ | 86.6kΩ | 86.6kΩ | 86.6kΩ — Resistance value is identical.; RT0603BRD0786K6L: Resistance value is identical. | |
| Tolerance | ±1% | ±1% | ±0.1% | ±1% / ±0.1% — Tolerance is identical.; RT0603BRD0786K6L: Tighter tolerance offers higher precision. | |
| Power | 0.1W | 0.1W | - | 0.1W — Power rating is identical. | |
| Tcr | ±100ppm/℃ | ±100 ppm/°C | 25 ppm/°C | ±100 ppm/°C / 25 ppm/°C — Temperature coefficient is identical.; RT0603BRD0786K6L: Lower TCR provides better stability over temperature. | |
| Technology | Thick Film | - | Thin Film | Thin Film — Different technology may affect noise or pulse handling. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RS-03K8662FT 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.