
Yageo
Pin-compatible substitute with matching electricals and added AEC-Q200 automotive qualification.
RMC12065.1K1%N is a general-purpose 5.1kΩ, 1% tolerance, 0.25W resistor in a 1206 package. Several pin-compatible and parametric alternatives are available from manufacturers like Yageo and FH.
Medium, if selecting a part with relaxed tolerance or different resistance. Low for pin-compatible options.
Low, all candidates use the same 1206 package.
Low, this is a common resistor value with multiple sources.
Direct replacement for RMC12065.1K1%N should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Use Yageo AC1206FR-075K1L for a direct, upgraded replacement.
Using a substitute with a wider tolerance (e.g., 5%) or a different resistance value.

Yageo
Pin-compatible substitute with matching electricals and added AEC-Q200 automotive qualification.
| Feature / factor | RMC12065.1K1%N | AC1206FR-075K1L | RS-06K5101FT | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 (3216 metric) | 1206 | 1206 | 1206 — Matches target package size.; RS-06K5101FT: Matches target package size. | |
| Resistance | 5.1 kΩ | 5.1 kΩ | 5.1 kΩ | 5.1 kΩ — Identical resistance value.; RS-06K5101FT: Identical resistance value. | |
| Tolerance | 1% | 1% | 1% | 1% — Matches precision tolerance.; RS-06K5101FT: Matches precision tolerance. | |
| Power | 0.25 W | 0.25 W | 0.25 W | 0.25 W — Matches power rating.; RS-06K5101FT: Matches power rating. | |
| Application | Not specified | AEC-Q200 | - | AEC-Q200 — Automotive grade is an upgrade. | |
| Tcr | ±100 ppm/°C | - | ±100 ppm/°C | ±100 ppm/°C — Matches temperature coefficient. |
Verified drop-in options for RMC12065.1K1%N 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.