RT0402BRD0712KL
Yageo
Needs validationmedium risk
A higher precision alternative with better tolerance and TCR, but different technology and not AEC-Q200 qualified.
Best Alternatives to AC0402FR-0712KL
AC0402FR-0712KL is a 12kΩ ±1% AEC-Q200 qualified thick film resistor in an 0402 package. Finding a direct replacement is challenging, as alternatives often lack automotive qualification or have different electrical parameters.
AI replacement insight
Application riskhigh
Target is AEC-Q200 qualified; none of the candidates are, posing a reliability risk in automotive environments.
Electrical riskmedium
Candidates have different tolerances, technologies, or resistance values that require circuit analysis.
Package risklow
All candidates share the same 0402 package, ensuring physical compatibility.
Can it be replaced directly?
No direct, drop-in replacement was found. All candidates lack the target's AEC-Q200 automotive qualification and have other parametric differences.
Best replacement path
For high-precision needs, RT0402BRD0712KL offers better specs but requires validating the Thin Film technology. For cost-sensitive, non-critical applications, a ±5% tolerance part like FRC0402J123 TS could be considered.
Main risk
The primary risk is using a non-automotive qualified part in an automotive application. Secondary risks include wider tolerance, different technology, or slight resistance value deviation.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | AC0402FR-0712KL | RT0402BRD0712KL | FRC0402F1182TS | FRC0402J123 TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Same 0402 package.; FRC0402F1182TS: Same 0402 package.; FRC0402J123 TS: Same 0402 package.; 0402WGJ0123TCE: Same 0402 package. |
| Resistance | 12kΩ | 12kΩ | 11.8kΩ | 12kΩ | 12kΩ / 11.8kΩ — Resistance value matches.; FRC0402F1182TS: Resistance is off by -1.67%.; FRC0402J123 TS: Resistance value matches.; 0402WGJ0123TCE: Resistance value matches. |
| Tolerance | ±1% | ±0.1% | ±1% | ±5% | ±0.1% / ±1% / ±5% — Tighter tolerance is a functional upgrade.; FRC0402F1182TS: Tolerance matches.; FRC0402J123 TS: Tolerance is much wider than target's ±1%.; 0402WGJ0123TCE: Tolerance is much wider than target's ±1%. |
| Tcr | ±100 ppm/°C | 25 ppm/°C | - | - | 25 ppm/°C / Missing — TCR is significantly better (more stable).; 0402WGJ0123TCE: TCR not specified in provided data. |
| Technology | Thick Film | Thin Film | - | - | Thin Film — Different resistor technology; may affect noise and pulse handling. |
| Application | AEC-Q200 | Not specified | Not specified | Not specified | Not specified — Lacks AEC-Q200 qualification required for some automotive uses.; FRC0402F1182TS: Lacks AEC-Q200 qualification.; FRC0402J123 TS: Lacks AEC-Q200 qualification.; 0402WGJ0123TCE: Lacks AEC-Q200 qualification. |
Application & sourcing insights
Questions & answers
No ideal alternative exists among the candidates. For precision, RT0402BRD0712KL is an option if you can accept Thin Film technology and no AEC-Q200 rating. For general use, a different 12kΩ, 1%, 0402 thick film resistor should be sourced.