
Yageo
AEC-Q200 qualified upgrade with matching resistance and improved tolerance and TCR.
FRC0402F4990TS is a general-purpose 499Ω 1% 1/16W thick film resistor in a 0402 package. Finding a substitute involves matching these key parameters, with several pin-compatible and parametric alternatives available.
Risk is low for direct matches, but medium for parametric alternatives with different resistance or tolerance.
All reviewed candidates use the same 0402 package, ensuring form and fit compatibility.
This is a common resistor value and package with many available cross-vendor options.
Direct replacement for FRC0402F4990TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Direct replacement with a thin film upgrade like Yageo RT0402BRD07499RL for better performance.
The main risk is using a parametric alternative with a different resistance value without verifying circuit impact.

Yageo
AEC-Q200 qualified upgrade with matching resistance and improved tolerance and TCR.
| Feature / factor | FRC0402F4990TS | AT0402BRD07499RL | RT0402BRD07499RL | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 — Same package and pin count.; RT0402BRD07499RL: Same package and pin count. | |
| Resistance | 499 Ω | 499 Ω | 499 Ω | 499 Ω — Resistance value matches.; RT0402BRD07499RL: Resistance value matches. | |
| Application | Commercial | AEC-Q200 | - | AEC-Q200 — Automotive qualification is a significant upgrade. | |
| Tolerance | ±1.0% | ±0.1% | ±0.1% | ±0.1% — Tighter tolerance provides higher precision.; RT0402BRD07499RL: Tighter tolerance provides higher precision. | |
| Tcr | ±100 ppm/°C | ±25 ppm/°C | 25 ppm/°C | ±25 ppm/°C — Lower TCR ensures better stability over temperature.; RT0402BRD07499RL: Lower TCR ensures better stability over temperature. | |
| Technology | Thick Film | - | Thin Film | Thin Film — Thin film offers lower noise and better stability. |
Verified drop-in options for FRC0402F4990TS 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.