
Yageo
AEC-Q200 qualified alternative with matching core parameters; verify power rating before use.
The Yageo RC0603FR-075K1L is a general-purpose 5.1kΩ 1% 0.1W thick film resistor in an 0603 package. Finding alternatives requires matching these core parameters while considering application-specific needs like precision or automotive qualification.
Differences in TCR and technology (Thin Film) can affect circuit performance.
All suggested candidates share the common 0603 package.
This is a very common resistor value and package size.
No direct drop-in replacement is confirmed due to a strict power rating rule. Candidates with identical ratings exist but require careful validation against design margins.
Upgrade to a higher precision part like RT0603BRD075K1L if stability is critical, or to an AEC-Q200 part like AC0603FR-075K1L for automotive designs.
The primary risk is substituting with a part that does not meet the application's true power dissipation or stability requirements, even if the base resistance matches.

Yageo
AEC-Q200 qualified alternative with matching core parameters; verify power rating before use.
| Feature / factor | RC0603FR-075K1L | AC0603FR-075K1L | RT0603BRD075K1L | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | - | 0603 — Same form factor. | |
| Resistance | 5.1 kΩ | 5.1 kΩ | - | 5.1 kΩ — Identical resistance value. | |
| Tolerance | ±1% | ±1% | - | ±0.1% — Tighter tolerance. | |
| Application | General Purpose | AEC-Q200 | - | AEC-Q200 — Candidate is automotive qualified. | |
| Power | 0.1W | 1.0W (inconsistent data) | - | 1.0W (inconsistent data) — Data conflict; MPN is 0.1W. Verify. | |
| Technology | Thick Film | - | Thin Film | Thin Film — Different technology may affect performance. | |
| Tcr | ±100 ppm/°C | - | 25 ppm/°C | 25 ppm/°C — Improved temperature stability. |
For applications needing higher precision, Yageo's RT0603BRD075K1L offers tighter tolerance and TCR, but uses Thin Film technology. For automotive use, Yageo's AC0603FR-075K1L is an AEC-Q200 qualified option. Both require engineering review.