RC0603FR-074K42L
Yageo
Needs validationmedium risk
A strong pin-compatible alternative from Yageo with matching resistance, power, tolerance, and package.
Best Alternatives to FRC0603F4421TS
FRC0603F4421TS is a common 4.42kΩ 1% 0.1W 0603 chip resistor. Several pin-compatible and parametric alternatives are available from manufacturers like Yageo and UNI-ROYAL, but require careful review of electrical specifications.
AI replacement insight
Electrical riskmedium
High if using a parametric alternative with different resistance; low for pin-compatible matches.
Package risklow
All candidates share the same 0603 package, ensuring form and fit compatibility.
Can it be replaced directly?
Direct replacement for FRC0603F4421TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with Datasheet verified or Strong match candidates for FRC0603F4421TS, then review parametric alternatives for package and electrical fit.
Main risk
The primary risk is substituting with a part that has a different resistance value, which could alter circuit behavior.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | FRC0603F4421TS | RC0603FR-074K42L | WR06X4701FTL | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 4.42 kΩ | 4.42 kΩ | 4.7 kΩ | 4.42 kΩ / 4.7 kΩ — Exact match.; WR06X4701FTL: Resistance is ~6.3% higher than target. | |
| Power | 0.1 W | 0.1 W | 0.1 W | 0.1 W — Matched. Source data had a 1.0W error, but datasheet and part number confirm 0.1W.; WR06X4701FTL: Exact match. | |
| Tolerance | ±1% | ±1% | - | ±1% — Exact match. | |
| Package | 0603 | 0603 | 0603 (1608 Metric) | 0603 / 0603 (1608 Metric) — Form and fit match.; WR06X4701FTL: Form and fit match. | |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | ≤ ±100 ppm/°C | ±100 ppm/°C / ≤ ±100 ppm/°C — Exact match.; WR06X4701FTL: Candidate TCR is equal or better. |
Application & sourcing insights
Questions & answers
Verified drop-in options for FRC0603F4421TS are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.