RT0603BRD0739K2L
Yageo
Needs validationlow risk
Parametric alternative with a slightly higher resistance (39.2kΩ) but matching precision, TCR, and package.
Best Alternatives to RT0603BRD0738K3L
Find alternatives for the Yageo RT0603BRD0738K3L, a 38.3kΩ 0.1% 0603 thin film resistor. While no exact drop-in is available, several parametric alternatives exist that require review for differences in resistance, tolerance, and TCR.
AI replacement insight
Electrical riskmedium
Tolerance, TCR, and technology differences require circuit analysis.
Package risklow
All candidates share the same 0603 package, ensuring form-fit compatibility.
Can it be replaced directly?
No, there is no direct drop-in replacement for RT0603BRD0738K3L among the candidates. All options require a review of parametric differences.
Best replacement path
The closest alternative is Yageo's RT0603BRD0739K2L, which matches all specs except for a 2.3% higher resistance value. This is the lowest-risk option if the resistance shift is acceptable.
Main risk
The primary risk is a loss of circuit precision. The target is a 0.1% tolerance, 25ppm TCR resistor. Most alternatives are 1% tolerance, 100ppm TCR, which may affect performance in sensitive applications.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | RT0603BRD0738K3L | RT0603BRD0739K2L | AC0603FR-0739KL | FRC0603F3652TS | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 38.3 kΩ | 39.2 kΩ | 39 kΩ | 36.5 kΩ | 39.2 kΩ / 39 kΩ / 36.5 kΩ / 35.7 kΩ — Candidate resistance is 2.3% higher.; AC0603FR-0739KL: Candidate resistance is 1.8% higher.; FRC0603F3652TS: Candidate resistance is 4.7% lower.; FRC0603F3572TS: Candidate resistance is 6.8% lower. |
| Tolerance | 0.1% | 0.1% | 1% | 1% | 0.1% — matched; AC0603FR-0739KL: Lower precision than target.; FRC0603F3652TS: Lower precision than target.; FRC0603F3572TS: Lower precision than target. |
| Tcr | 25 ppm/°C | 25 ppm/°C | ±100 ppm/°C | ±100 ppm/°C | 25 ppm/°C / ±100 ppm/°C — matched; AC0603FR-0739KL: Higher TCR, less stable.; FRC0603F3652TS: Higher TCR, less stable.; FRC0603F3572TS: Higher TCR, less stable. |
| Technology | Thin Film | Thin Film | Thick Film | Thick Film | Thin Film / Thick Film — matched; AC0603FR-0739KL: Different resistor technology.; FRC0603F3652TS: Different resistor technology.; FRC0603F3572TS: Different resistor technology. |
| Package | 0603 | 0603 | - | - | 0603 — matched |
| Application | Commercial | - | AEC-Q200 | - | AEC-Q200 — Candidate is automotive grade. |
Application & sourcing insights
Questions & answers
The best alternative is Yageo RT0603BRD0739K2L. It matches the 0.1% tolerance, 25ppm TCR, and thin film technology, but has a slightly higher resistance of 39.2kΩ. This is the lowest-risk option if your design can tolerate a +2.3% resistance change.