RT0402BRD073K3L
Yageo
Needs validationhigh risk
A high-precision upgrade with much better tolerance and TCR, but is not automotive qualified.
Best Alternatives to AC0402FR-073K3L
Yageo's AC0402FR-073K3L is a 3.3kΩ, 1% tolerance, 1/16W thick film chip resistor in a 0402 package. It is AEC-Q200 qualified, making it suitable for demanding automotive applications.
AI replacement insight
Application riskhigh
Substituting a non-AEC-Q200 part in an automotive design can violate system-level reliability and safety standards.
Package risklow
All suitable candidates match the 0402 package, ensuring physical compatibility.
Can it be replaced directly?
No, a direct, drop-in replacement for all applications was not found. All candidates lack the target's critical AEC-Q200 automotive qualification.
Best replacement path
For non-automotive applications, RT0402BRD073K3L is a strong upgrade. For automotive use, none of the reviewed candidates are suitable; a search for another AEC-Q200 qualified part is required.
Main risk
The primary risk is using a commercial-grade resistor in an automotive application that requires AEC-Q200 qualified components, potentially leading to reliability issues.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | AC0402FR-073K3L | RT0402BRD073K3L | RT0402BRE073K3L | WR04X3301FTL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 (1005 metric) | 0402 / 0402 (1005 metric) — Package size matches.; RT0402BRE073K3L: Package size matches.; WR04X3301FTL: Package size matches. |
| Tolerance | ±1% | ±0.1% | ±0.1% | ±1% | ±0.1% / ±1% — Candidate has tighter tolerance.; RT0402BRE073K3L: Candidate has tighter tolerance.; WR04X3301FTL: Tolerance matches. |
| Tcr | ±100 ppm/°C | 25 ppm/°C | 50 ppm/°C | - | 25 ppm/°C / 50 ppm/°C — Candidate has a significantly better temperature coefficient.; RT0402BRE073K3L: Candidate has a better temperature coefficient. |
| Application | AEC-Q200 | Not specified | Not specified | Not specified | Not specified — Target is AEC-Q200 qualified; candidate is not.; RT0402BRE073K3L: Target is AEC-Q200 qualified; candidate is not.; WR04X3301FTL: Target is AEC-Q200 qualified for automotive use; candidate is not. |
| Technology | Thick Film | - | Thin Film | - | Thin Film — Technology differs, may affect pulse handling. |
| Resistance | 3.3kΩ | - | - | 3.3kΩ | 3.3kΩ — Nominal resistance matches. |
Application & sourcing insights
Questions & answers
For non-automotive use, Yageo's RT0402BRD073K3L is an excellent alternative, offering superior tolerance and TCR. If AEC-Q200 qualification is mandatory, none of the suggested parts are suitable, and a new search for an automotive-grade resistor is necessary.