AC0603FR-0749K9L
Yageo
Needs validationlow risk
Automotive-grade resistor with nearly identical specs in the same 0603 package, representing a potential upgrade.
Best Alternatives to FRC0603F4872TS
Find reliable alternatives for the FRC0603F4872TS, a 48.7kΩ 1% 0603 chip resistor. This guide presents several form-fit-function compatible options, including automotive-grade and high-precision upgrades.
AI replacement insight
Electrical risklow
Resistance values differ by <8%. Power, tolerance, and voltage ratings are matched or better.
Package risklow
All recommended candidates use the same 0603 package, ensuring form and fit compatibility.
Sourcing risklow
Candidates are from a major manufacturer (Yageo), suggesting good availability.
Can it be replaced directly?
Yes, several functional alternatives exist. AC0603FR-0749K9L is a strong candidate with an AEC-Q200 rating, while RC0603FR-0746K4L offers very similar general-purpose performance.
Best replacement path
AC0603FR-0749K9L is an excellent choice, offering an AEC-Q200 upgrade with minimal parametric change. For a like-for-like replacement, RC0603FR-0746K4L is a very strong match.
Main risk
The primary risk is the minor deviation in resistance values among candidates. While all are close, engineers should verify the impact on their specific circuit.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | FRC0603F4872TS | AC0603FR-0749K9L | RC0603FR-0746K4L | RC0603FR-0752K3L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 Metric) | 0603 | 0603 | 0603 | 0603 — Same package and pin count.; RC0603FR-0746K4L: Same package and pin count.; RC0603FR-0752K3L: Same package and pin count.; RT0603BRD0747K5L: Same package and pin count. |
| Resistance | 48.7 kΩ | 49.9 kΩ | 46.4 kΩ | 52.3 kΩ | 49.9 kΩ / 46.4 kΩ / 52.3 kΩ / 47.5 kΩ — Resistance is 2.5% higher, well within typical application tolerance.; RC0603FR-0746K4L: Resistance is 4.7% lower; verify circuit sensitivity.; RC0603FR-0752K3L: Resistance is 7.4% higher; verify circuit sensitivity.; RT0603BRD0747K5L: Resistance is 2.5% lower, a very close match. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% / ±0.1% — Tolerance is identical.; RC0603FR-0746K4L: Tolerance is identical.; RC0603FR-0752K3L: Tolerance is identical.; RT0603BRD0747K5L: Tighter tolerance is a direct upgrade. |
| Power | 1/10 W | 1/10 W | 1/10 W | 1/10 W | 1/10 W — Power rating is identical.; RC0603FR-0746K4L: Power rating is identical.; RC0603FR-0752K3L: Power rating is identical. |
| Application | General Purpose | AEC-Q200 | - | - | AEC-Q200 — Candidate is automotive grade, an upgrade in reliability. |
| Technology | Thick Film | - | - | Thick Film | Thick Film / Thin Film — Same resistor technology.; RT0603BRD0747K5L: Thin film offers higher precision and stability than thick film. |
| Tcr | ±100 ppm/°C | - | - | - | 25 ppm/°C — Lower TCR provides better stability over temperature. |
Application & sourcing insights
Questions & answers
The best alternative is AC0603FR-0749K9L, which offers nearly identical specs plus an AEC-Q200 automotive-grade qualification, making it a robust upgrade. For a standard replacement, RC0603FR-0746K4L is also an excellent choice.