RS-03K9102FT
FH (Guangdong Fenghua Advanced Tech)
Needs validationhigh risk
A pin-compatible alternative with matching electricals but lacks automotive qualification. For non-automotive use only.
Best Alternatives to AC0603FR-0791KL
Find alternatives for the Yageo AC0603FR-0791KL, a 91kΩ 1% 0.1W 0603 automotive-grade resistor. This guide reviews commercial-grade alternatives and highlights key differences for safe substitution.
AI replacement insight
Electrical riskhigh
Candidate lacks AEC-Q200 qualification required for automotive environments.
Package risklow
Package and pinout are identical.
Can it be replaced directly?
Direct replacement for AC0603FR-0791KL should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use a commercial-grade equivalent like RS-03K9102FT for non-critical, non-automotive applications after verifying system requirements.
Main risk
Loss of automotive-grade (AEC-Q200) qualification, potentially impacting reliability in harsh environments.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | AC0603FR-0791KL | RS-03K9102FT | RS-03K9092FT | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 — Package size and pinout match.; RS-03K9092FT: Package size and pinout match. | |
| Resistance | 91kΩ | 91kΩ | 90.9kΩ | 91kΩ / 90.9kΩ — Resistance value matches.; RS-03K9092FT: Resistance is within target's ±1% tolerance. | |
| Qualification | AEC-Q200 | Commercial | Commercial | Commercial — Target is AEC-Q200 automotive grade, candidate is commercial grade.; RS-03K9092FT: Target is AEC-Q200 automotive grade, candidate is commercial grade. | |
| Power | 0.1W | 0.1W | 0.1W | 0.1W — Power rating matches but does not meet the recommended 1.5x safety factor per ER-RES-003.; RS-03K9092FT: Power rating matches but does not meet the recommended 1.5x safety factor. | |
| Tolerance | ±1% | ±1% | - | ±1% — Tolerance matches. | |
| Tcr | ±100ppm/°C | ±100ppm/°C | - | ±100ppm/°C — Temperature coefficient matches. |
Application & sourcing insights
Questions & answers
Verified drop-in options for AC0603FR-0791KL 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.