
Yageo
Yageo RC0603FR-0737K4L is a pin-compatible alternative with matching key electrical and physical parameters.
FRC0603F3742TS is a general-purpose 0603 thick film chip resistor with a 37.4kΩ resistance and ±1% tolerance. A direct pin-compatible replacement is available, along with several parametric alternatives that may be suitable if your design can accommodate slight variations in resistance.
For the pin-compatible match, risk is low. For parametric alternatives, resistance mismatch requires circuit analysis.
All reviewed candidates use the same 0603 package, minimizing physical layout risks.
The target and its alternatives are common value resistors from multiple vendors, indicating good availability.
Yes, RC0603FR-0737K4L is a direct, pin-compatible replacement for FRC0603F3742TS. It matches the package, resistance, tolerance, and power rating.
The best replacement is RC0603FR-0737K4L from Yageo, which is a direct pin-to-pin match with identical key specifications.
The primary risk when considering alternatives other than the direct match is a mismatch in resistance value. Several available parts have resistance values that differ by up to 5%.

Yageo
Yageo RC0603FR-0737K4L is a pin-compatible alternative with matching key electrical and physical parameters.
| Feature / factor | FRC0603F3742TS | RC0603FR-0737K4L | FRC0603F3572TS | FRC0603F3652TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 (1608 metric) | 0603 | 0603 | 0603 (1608 metric) — Candidate and target packages are identical.; FRC0603F3572TS: Package matches target.; FRC0603F3652TS: Package matches target.; FRC0603F3832TS: Package matches target. |
| Resistance | 37.4 kΩ | 37.4 kΩ | 35.7 kΩ | 36.5 kΩ | 37.4 kΩ / 35.7 kΩ / 36.5 kΩ / 38.3 kΩ — Resistance values are identical.; FRC0603F3572TS: Resistance is 4.5% lower. Verify circuit tolerance.; FRC0603F3652TS: Resistance is 2.4% lower. Verify circuit tolerance.; FRC0603F3832TS: Resistance is 2.4% higher. Verify circuit tolerance. |
| Tolerance | ±1% | ±1% | - | - | ±1% — Tolerance ratings are identical.; FRC0603F3832TS: Tolerance matches. |
| Power | 0.1 W | 0.1 W | 0.1 W | 0.1 W | 0.1 W — Power ratings are identical.; FRC0603F3572TS: Data inconsistency found (1W vs 0.1W); 0.1W is likely correct and matches target.; FRC0603F3652TS: Data inconsistency found (1W vs 0.1W); 0.1W is likely correct and matches target.; FRC0603F3832TS: Power rating matches. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | - | - | ±100 ppm/°C — Temperature coefficients are identical. |
The best alternative is RC0603FR-0737K4L by Yageo. It is a pin-compatible replacement with identical specifications for resistance (37.4kΩ), tolerance (±1%), power (0.1W), and package (0603).