
FOJAN
A parametric alternative with matching resistance and package, but lacks automotive qualification and has a slightly lower power rating.
Finding a substitute for the Vishay CRCW0402499KFKED, an AEC-Q200 qualified 499kΩ resistor, requires careful attention to application requirements. Alternatives must be validated for non-automotive use due to differences in qualification and minor parametric variations.
Using a non-AEC-Q200 part in an automotive design can lead to premature failure and reliability issues.
For non-automotive use, some candidates are electrically very similar, but power and resistance differences must be checked.
All candidates share the same 0402 package, ensuring physical compatibility.
No, a direct drop-in replacement is not available among the reviewed candidates because none are AEC-Q200 qualified, which is a key feature of the target part.
Search for another 499kΩ, 1%, 0.063W (or higher), 0402 resistor that is explicitly AEC-Q200 qualified. For non-automotive applications, several functional alternatives exist but require review.
The primary risk is the lack of AEC-Q200 qualification in all candidates, making them unsuitable for the automotive environments where the target is designed to be used.

FOJAN
A parametric alternative with matching resistance and package, but lacks automotive qualification and has a slightly lower power rating.
| Feature / factor | CRCW0402499KFKED | FRC0402F4993TS | RC-02K4993FT | RC0402FR-07511KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Package size matches.; RC-02K4993FT: Package size matches.; RC0402FR-07511KL: Package size matches. |
| Resistance | 499 kΩ | 499 kΩ | 499 kΩ | 511 kΩ | 499 kΩ / 511 kΩ — Resistance value matches.; RC-02K4993FT: Resistance value matches.; RC0402FR-07511KL: Resistance differs by +2.4%. |
| Power | 0.063 W | 0.0625 W | 0.0625 W | 0.0625 W | 0.0625 W — Slightly lower power rating.; RC-02K4993FT: Slightly lower power rating.; RC0402FR-07511KL: Slightly lower power rating. |
| Application | AEC-Q200 | General Purpose | General Purpose | General Purpose | General Purpose — Candidate is not AEC-Q200 qualified.; RC-02K4993FT: Candidate is not AEC-Q200 qualified.; RC0402FR-07511KL: Candidate is not AEC-Q200 qualified. |
| Tcr | ±100 ppm/K | ±100 ppm/°C | - | - | ±100 ppm/°C — Temperature coefficient matches. |
For non-automotive applications, FRC0402F4993TS and RC-02K4993FT are the best alternatives as they match the resistance, tolerance, and package. However, they are not AEC-Q200 qualified and have a slightly lower power rating, so they must be validated in your circuit.