AECR1206F3K00K9
RESI
Needs validationlow risk
An automotive-grade (AEC-Q200) substitute with tighter ±1% tolerance, suitable for high-reliability applications.
Best Alternatives to RS-06K302JT
RS-06K302JT is a standard 3kΩ, 0.25W, 5% tolerance thick film resistor in a 1206 package. Numerous pin-compatible alternatives are available, including direct parametric matches and upgrades with tighter tolerance or automotive-grade (AEC-Q200) qualification.
AI replacement insight
Electrical risklow
Low if sticking to thick film technology and matching or improving tolerance/TCR.
Package risklow
The 1206 package is highly standardized, making physical replacement straightforward.
Sourcing riskmedium
Choosing a less common brand or part with an unknown lifecycle can introduce sourcing challenges.
Can it be replaced directly?
Direct replacement for RS-06K302JT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Upgrade to an AEC-Q200 qualified, ±1% tolerance part like Yageo's AC1206FR-073KL for higher reliability and wider availability.
Main risk
The primary risk is using a substitute with incomplete specifications (e.g., missing TCR) or an unintended technology change (e.g., thin film for thick film).
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | RS-06K302JT | AECR1206F3K00K9 | RS-06K3001FT | AC1206FR-073KL | Compatibility / risk |
|---|---|---|---|---|---|
| Application | Commercial | AEC-Q200 | - | AEC-Q200 | AEC-Q200 — Automotive grade offers higher reliability.; AC1206FR-073KL: Automotive grade offers higher reliability. |
| Tolerance | ±5% | ±1% | ±1% | ±1% | ±1% / ±5% — Tighter tolerance is a functional upgrade.; RS-06K3001FT: Tighter tolerance is a functional upgrade.; AC1206FR-073KL: Tighter tolerance is a functional upgrade.; 1206W4J0302T5E: Tolerance matches the target. |
| Package | 1206 | 1206 | 1206 | 1206 | 1206 — Same package and pin count.; RS-06K3001FT: Same package and pin count.; AC1206FR-073KL: Same package and pin count.; 1206W4J0302T5E: Package matches. |
| Power | 0.25W | 0.25W | 0.25W | - | 0.25W — Power rating matches.; RS-06K3001FT: Power rating matches. |
| Tcr | ±100ppm/℃ | - | ±100ppm/℃ | - | ±100ppm/℃ / Missing — Temperature coefficient matches.; 1206W4J0302T5E: TCR is a key parameter and must be verified from the datasheet. |
| Lifecycle | Active | - | - | - | Unknown — Lifecycle status not specified. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RS-06K302JT 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.