FRC0603F3742TS
FOJAN
Needs validationmedium risk
Parametric alternative from the same manufacturer, but with a 37.4kΩ resistance value.
Best Alternatives to FRC0603F4122TS
FRC0603F4122TS is a 41.2kΩ, 1%, 0.1W thick film resistor in a 0603 package. While no exact drop-in replacements are common, several parametric alternatives with similar form-fit-function and slightly different resistance values are available.
AI replacement insight
Electrical riskmedium
Resistance value differs, which could impact biasing, timing, or gain in sensitive circuits.
Package risklow
All candidates share the same 0603 package, ensuring physical compatibility.
Can it be replaced directly?
No direct, exact-value replacement was found. All identified substitutes are parametric alternatives with slightly different resistance values that require engineering review.
Best replacement path
Use a parametric alternative with the closest resistance value, like Yageo's RC0603FR-0742K2L (42.2kΩ), after verifying its impact on your circuit.
Main risk
Resistance deviation from the original 41.2kΩ value may affect circuit performance.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | FRC0603F4122TS | FRC0603F3742TS | FRC0603F3832TS | FRC0603F3902TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Same 0603 package.; FRC0603F3832TS: Same 0603 package.; FRC0603F3902TS: Same 0603 package.; FRC0603F3922TS: Same 0603 package. |
| Resistance | 41.2 kΩ | 37.4 kΩ | 38.3 kΩ | 39 kΩ | 37.4 kΩ / 38.3 kΩ / 39 kΩ / 39.2 kΩ — Resistance is 9.2% lower. Verify circuit tolerance.; FRC0603F3832TS: Resistance is 7.0% lower. Verify circuit tolerance.; FRC0603F3902TS: Resistance is 5.3% lower. Verify circuit tolerance.; FRC0603F3922TS: Resistance is 4.9% lower. Verify circuit tolerance. |
| Tolerance | 1% | 1% | 1% | 1% | 1% — Tolerance matches.; FRC0603F3832TS: Tolerance matches.; FRC0603F3902TS: Tolerance matches.; FRC0603F3922TS: Tolerance matches. |
| Power | 0.1 W | 0.1 W | 0.1 W | 1.0 W | 0.1 W / 1.0 W — Power rating matches.; FRC0603F3832TS: Power rating matches.; FRC0603F3902TS: Power rating is 10x higher, which is a safe upgrade.; FRC0603F3922TS: Power rating matches. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | ±100 ppm/°C | ±100 ppm/°C | ±100 ppm/°C — Temperature coefficient matches.; FRC0603F3832TS: Temperature coefficient matches.; FRC0603F3902TS: Temperature coefficient matches.; FRC0603F3922TS: Temperature coefficient matches. |
Application & sourcing insights
Questions & answers
The best alternative depends on your circuit's tolerance to resistance change. Yageo's RC0603FR-0742K2L (42.2kΩ) is the closest in value, while several FOJAN parts like FRC0603F3922TS (39.2kΩ) are also available.