RK73H2ATTD1000F
KOA Speer Electronics, Inc.
Needs validationlow risk
AEC-Q200 qualified 0805 resistor from KOA Speer with matching resistance, tolerance, power, and TCR.
Best Alternatives to AC0805FR-7W100RL
AC0805FR-7W100RL is a popular 100 Ohm, 1% tolerance, 0.25W thick film chip resistor in an 0805 package. Its AEC-Q200 qualification makes it a reliable choice for automotive electronics.
AI replacement insight
Electrical risklow
Low if key parameters (R, P, Tol, TCR) and AEC-Q200 are matched.
Package risklow
Low for candidates with the same 0805 package.
Sourcing riskmedium
Changing manufacturers may have supply chain implications.
Can it be replaced directly?
Direct replacement for AC0805FR-7W100RL should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Cross-referencing to another AEC-Q200 qualified manufacturer like KOA Speer (e.g., RK73H2ATTD1000F) offers the lowest risk.
Main risk
Using a non-AEC-Q200 qualified resistor in an automotive application, or a part with a lower power rating.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | AC0805FR-7W100RL | RK73H2ATTD1000F | ERJP06F1000V | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) — Package size matches.; ERJP06F1000V: Package size matches. | |
| Power | 0.25W | 0.25W | 0.5W | 0.25W / 0.5W — Power rating matches.; ERJP06F1000V: Higher power rating provides more design margin. | |
| Tolerance | 1.0% | 1.0% | 1.0% | 1.0% — Resistance tolerance matches.; ERJP06F1000V: Resistance tolerance matches. | |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | Missing | ±100 ppm/°C / Missing — Temperature coefficient matches.; ERJP06F1000V: Candidate TCR not specified; must be verified for precision circuits. | |
| Application | AEC-Q200 | AEC-Q200 | AEC-Q200 | AEC-Q200 — Both parts are automotive qualified.; ERJP06F1000V: Both parts are automotive qualified. |
Application & sourcing insights
Questions & answers
Verified drop-in options for AC0805FR-7W100RL 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.