FRC0402F1203TS
FOJAN
Needs validationmedium risk
A strong parametric match in the same 0402 package, but lacks the target's AEC-Q200 qualification.
Best Alternatives to CRCW0402121KFKED
Reviewing alternatives for the Vishay CRCW0402121KFKED, a 121kΩ 1% 0402 resistor. The target's AEC-Q200 qualification is a key factor for finding a suitable replacement.
AI replacement insight
Application riskhigh
Lack of AEC-Q200 qualification is a critical failure for automotive use cases.
Electrical risklow
Parametric differences in resistance and power are minor for the best candidates but require review.
Package risklow
All candidates share the same 0402 package, ensuring form-fit compatibility.
Can it be replaced directly?
No direct drop-in replacement has been identified, as all reviewed candidates lack the target's critical AEC-Q200 qualification.
Best replacement path
For non-automotive use, FRC0402F1203TS offers the closest parameters. For automotive applications, a different AEC-Q200 qualified part is required.
Main risk
The primary risk is the lack of AEC-Q200 qualification in substitutes, making them unsuitable for automotive-grade applications.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | CRCW0402121KFKED | FRC0402F1203TS | RT0402BRD07120KL | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 — Same package and pin count.; RT0402BRD07120KL: Same package and pin count. | |
| Resistance | 121 kΩ | 120 kΩ | 120 kΩ | 120 kΩ — Very close match, <1% deviation.; RT0402BRD07120KL: Very close match, <1% deviation. | |
| Tolerance | 1% | 1% | 0.1% | 1% / 0.1% — Same tolerance.; RT0402BRD07120KL: Tighter tolerance is an upgrade. | |
| Power | 0.063 W | 0.0625 W | - | 0.0625 W — Slightly lower power rating. | |
| Application | AEC-Q200 | Not specified | Not specified | Not specified — Target is AEC-Q200 qualified for automotive use, candidate is not.; RT0402BRD07120KL: Target is AEC-Q200 qualified, candidate is not. | |
| Tcr | ±100 ppm/K | - | 25 ppm/°C | 25 ppm/°C — Better temperature stability. | |
| Technology | Thick Film | - | Thin Film | Thin Film — Different resistor technology may affect performance. |
Application & sourcing insights
Questions & answers
For non-automotive applications, FRC0402F1203TS is a strong parametric match. For automotive use, it is critical to find an alternative that is also AEC-Q200 qualified.