FRC0402F3742TS
FOJAN
Needs validationhigh risk
Matches resistance and package but has weaker tolerance (±1%) and TCR (±100 ppm/°C).
Best Alternatives to RT0402BRD0737K4L
RT0402BRD0737K4L is a 37.4kΩ, 0.1% tolerance, 1/16W thin film chip resistor in an 0402 package, valued for its high precision and stability. Finding a substitute requires careful matching of its tight tolerance and low TCR.
AI replacement insight
Electrical riskhigh
Using a lower precision part can affect circuit accuracy and stability.
Package risklow
All candidates use the same 0402 package.
Can it be replaced directly?
No exact direct replacement is listed. FRC0402F3742TS matches the resistance value but is a significant downgrade in precision (1% tolerance, 100ppm TCR).
Best replacement path
Prioritize candidates from the same series (Yageo RT) that match precision specs but have a close resistance value, like RT0402BRD0739KL.
Main risk
The main risk is performance degradation due to using a substitute with a different resistance value or lower precision (wider tolerance and higher TCR).
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RT0402BRD0737K4L | FRC0402F3742TS | RT0402BRD0739KL | RT0402BRD0740K2L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Package size matches.; RT0402BRD0739KL: Package size matches.; RT0402BRD0740K2L: Package size matches.; FRC0402F4022TS: Package size matches. |
| Resistance | 37.4 kΩ | 37.4 kΩ | 39 kΩ | 40.2 kΩ | 37.4 kΩ / 39 kΩ / 40.2 kΩ — Resistance value is identical.; RT0402BRD0739KL: Resistance is ~4.3% higher.; RT0402BRD0740K2L: Resistance is ~7.5% higher.; FRC0402F4022TS: Resistance is ~7.5% higher. |
| Tolerance | ±0.1% | ±1% | ±0.1% | ±0.1% | ±1% / ±0.1% — Significantly wider tolerance.; RT0402BRD0739KL: Precision tolerance matches.; RT0402BRD0740K2L: Precision tolerance matches.; FRC0402F4022TS: Significantly wider tolerance. |
| Tcr | 25 ppm/°C | ±100 ppm/°C | 25 ppm/°C | 25 ppm/°C | ±100 ppm/°C / 25 ppm/°C — Temperature stability is lower.; RT0402BRD0739KL: Temperature stability matches.; RT0402BRD0740K2L: Temperature stability matches.; FRC0402F4022TS: Temperature stability is lower. |
| Technology | Thin Film | Thick Film | - | Thin Film | Thick Film / Thin Film — Different resistor technology.; RT0402BRD0740K2L: Technology matches. |
Application & sourcing insights
Questions & answers
The best alternatives are typically from the same Yageo RT series, like RT0402BRD0739KL, which match in precision but have slightly different resistance values. Verification of the resistance change is required for your application.