
Yageo
A close parametric alternative with identical package, tolerance, and TCR, but a slightly lower resistance value.
Finding a substitute for the RT0603BRD074K42L precision resistor requires matching its 4.42kΩ resistance, ±0.1% tolerance, and 25ppm/°C TCR in an 0603 package. Several parametric alternatives exist but require careful review of electrical differences.
Resistance, tolerance, and TCR differences require circuit analysis.
All viable candidates are in the same 0603 package.
No direct drop-in replacement with identical parameters was found. All candidates require engineering review, primarily for differences in resistance value.
The closest alternatives are other Yageo RT-series resistors like RT0603BRD074K22L, which match most parameters but have slightly different resistance values.
The main risk is substituting with a part that has a different resistance value, a wider tolerance, a higher TCR, or uses thick film instead of thin film technology, which can impact circuit precision and stability.

Yageo
A close parametric alternative with identical package, tolerance, and TCR, but a slightly lower resistance value.
| Feature / factor | RT0603BRD074K42L | RT0603BRD074K22L | RT0603BRE074K7L | RC0603FR-074K42L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Package size matches.; RT0603BRE074K7L: Package size matches.; RC0603FR-074K42L: Package size matches. |
| Technology | Thin Film | Thin Film | - | Thick Film | Thin Film / Thick Film — Technology matches.; RC0603FR-074K42L: Technology differs, impacts precision. |
| Resistance | 4.42 kΩ | 4.22 kΩ | 4.7 kΩ | 4.42 kΩ | 4.22 kΩ / 4.7 kΩ / 4.42 kΩ — Resistance is ~4.5% lower.; RT0603BRE074K7L: Resistance is ~6.3% higher.; RC0603FR-074K42L: Resistance value matches. |
| Tolerance | ±0.1% | ±0.1% | ±0.1% | ±1% | ±0.1% / ±1% — Tolerance matches.; RT0603BRE074K7L: Tolerance matches.; RC0603FR-074K42L: Tolerance is 10x wider. |
| Tcr | 25 ppm/°C | 25 ppm/°C | ±50 ppm/°C | ±100 ppm/°C | 25 ppm/°C / ±50 ppm/°C / ±100 ppm/°C — TCR matches.; RT0603BRE074K7L: TCR is 2x worse, less stable.; RC0603FR-074K42L: TCR is 4x worse, less stable. |
The best alternative found is RT0603BRD074K22L. It matches the technology, tolerance, and TCR, but has a slightly different resistance of 4.22kΩ that must be verified for your application.