AECR1206F3K00K9
RESI
Needs validationlow risk
Strong pin-to-pin alternative with matching package, electricals, and AEC-Q200 automotive qualification.
Best Alternatives to AC1206FR-073KL
Find the best replacement for the Yageo AC1206FR-073KL, a 3kΩ 1% 0.25W 1206 automotive-grade chip resistor. This guide analyzes pin-compatible and functional alternatives, highlighting critical parameters like AEC-Q200 qualification.
AI replacement insight
Electrical riskhigh
Using parts with wider tolerance (5%) or different technology (thin film) can affect circuit performance and reliability.
Package risklow
All presented candidates use the same 1206 surface-mount package, ensuring physical compatibility.
Sourcing riskhigh
Substituting a non-AEC-Q200 part into a design requiring it can lead to field failures and void certifications.
Can it be replaced directly?
Direct replacement for AC1206FR-073KL should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
AECR1206F3K00K9 by RESI is the best replacement path as it matches all key parameters including the critical AEC-Q200 qualification.
Main risk
The main risk is substituting with a non-AEC-Q200 qualified resistor in an automotive or high-reliability application.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | AC1206FR-073KL | AECR1206F3K00K9 | FRC1206F3001TS | RS-06K3001FT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 | 1206 | 1206 | 1206 — Package size matches.; FRC1206F3001TS: Package size matches.; RS-06K3001FT: Package size matches.; RT1206BRD073KL: Package size matches. |
| Resistance | 3000.0 ohm | 3000.0 ohm | - | - | 3000.0 ohm — Resistance matches. |
| Tolerance | 1.0% | 1.0% | 1.0% | 1.0% | 1.0% / 0.1% — Tolerance matches.; FRC1206F3001TS: Tolerance matches.; RS-06K3001FT: Tolerance matches.; RT1206BRD073KL: Candidate has tighter tolerance. |
| Application | AEC-Q200 | AEC-Q200 | None | None | AEC-Q200 / None — Candidate is also AEC-Q200 qualified.; FRC1206F3001TS: Candidate lacks target's AEC-Q200 qualification.; RS-06K3001FT: Candidate lacks target's AEC-Q200 qualification.; RT1206BRD073KL: Candidate lacks target's AEC-Q200 qualification. |
| Tcr | ±100 ppm/°C | - | ±100 ppm/°C | ±100ppm/℃ | ±100 ppm/°C / ±100ppm/℃ / 25 ppm/°C — TCR matches.; RS-06K3001FT: TCR matches.; RT1206BRD073KL: Candidate has better temperature stability. |
| Technology | Thick Film | - | - | - | Thin Film — Different resistor technology may affect performance. |
Application & sourcing insights
Questions & answers
Verified drop-in options for AC1206FR-073KL 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.