
Yageo
Identical precision specs and package, but resistance is 3.9kΩ vs 3.7kΩ.
Finding a substitute for the Yageo RT0402BRD073K7L requires matching its 3.7kΩ resistance, 0.1% precision tolerance, and 25 ppm/°C TCR in a 0402 package. Alternatives exist with varying precision and features.
Substituting a part with worse tolerance or TCR can impact circuit performance.
All reviewed candidates use the same 0402 package, ensuring physical compatibility.
Direct replacement for RT0402BRD073K7L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The Yageo RT0402BRD073K9L offers identical precision specs with a slightly higher resistance (3.9kΩ), making it the strongest candidate.
The main risk is substituting a lower-precision resistor (1% tolerance, >100ppm TCR) where the target's 0.1% tolerance and 25ppm TCR are required for circuit stability.

Yageo
Identical precision specs and package, but resistance is 3.9kΩ vs 3.7kΩ.
| Feature / factor | RT0402BRD073K7L | RT0402BRD073K9L | RC0402FR-073K74L | AC0402FR-073K9L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Same package size and pin count.; RC0402FR-073K74L: Same package size and pin count.; AC0402FR-073K9L: Same package size. |
| Resistance | 3.7 kΩ | 3.9 kΩ | 3.74 kΩ | 3.9 kΩ | 3.9 kΩ / 3.74 kΩ — 5.4% higher resistance.; RC0402FR-073K74L: Very close resistance value.; AC0402FR-073K9L: 5.4% higher resistance. |
| Tolerance | 0.1% | 0.1% | 1.0% | 1.0% | 0.1% / 1.0% — Identical high-precision tolerance.; RC0402FR-073K74L: Tolerance is 10x worse.; AC0402FR-073K9L: Tolerance is 10x worse. |
| Tcr | 25 ppm/°C | 25 ppm/°C | ±100 ppm/°C | - | 25 ppm/°C / ±100 ppm/°C — Identical temperature coefficient.; RC0402FR-073K74L: TCR is 4x worse. |
| Technology | Thin Film | Thin Film | Thick Film | - | Thin Film / Thick Film — Same high-stability technology.; RC0402FR-073K74L: Lower stability technology. |
| Application | Commercial | - | - | AEC-Q200 | AEC-Q200 — Candidate is automotive qualified. |
Verified drop-in options for RT0402BRD073K7L 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.