RT0603BRE073K9L
Yageo
Needs validationlow risk
A high-precision upgrade with identical resistance and package, offering tighter tolerance and better temperature stability.
Best Alternatives to FRC0603J392 TS
Find and compare verified substitutes for the FOJAN FRC0603J392 TS, a 3.9kΩ 5% 0603 chip resistor. Our analysis covers pin-compatible upgrades and parametric alternatives to ensure your design needs are met.
AI replacement insight
Electrical riskmedium
Some candidates have resistance outside the original tolerance, requiring circuit analysis.
Package risklow
All suggested candidates use the same 0603 package, ensuring physical compatibility.
Sourcing risklow
Candidates are from a major manufacturer (Yageo), often with broad availability.
Can it be replaced directly?
Direct replacement for FRC0603J392 TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a direct upgrade, RT0603BRE073K9L offers identical resistance with superior precision. For a cost-effective alternative, RC0603FR-073K83L is a strong choice with a minor resistance difference.
Main risk
The main risk is selecting a substitute with a nominal resistance value that, while close, falls outside the original part's ±5% tolerance, potentially altering circuit behavior.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | FRC0603J392 TS | RT0603BRE073K9L | RC0603FR-073K83L | RT0603BRE074K02L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Identical package and pin count.; RC0603FR-073K83L: Identical package and pin count.; RT0603BRE074K02L: Identical package and pin count.; RC0603FR-073K57L: Identical package and pin count. |
| Resistance | 3.9 kΩ | 3.9 kΩ | 3.83 kΩ | 4.02 kΩ | 3.9 kΩ / 3.83 kΩ / 4.02 kΩ / 3.57 kΩ — Nominal resistance is identical.; RC0603FR-073K83L: Value is within target's ±5% tolerance band.; RT0603BRE074K02L: Value is within target's ±5% tolerance band.; RC0603FR-073K57L: Value is outside target's ±5% tolerance band. |
| Tolerance | ±5% | ±0.1% | ±1% | ±0.1% | ±0.1% / ±1% — Candidate has much tighter tolerance.; RC0603FR-073K83L: Candidate has tighter tolerance.; RT0603BRE074K02L: Candidate has much tighter tolerance. |
| Tcr | ±400 ppm/°C | 50 ppm/°C | ±100 ppm/°C | - | 50 ppm/°C / ±100 ppm/°C — Candidate has significantly better temperature stability.; RC0603FR-073K83L: Candidate has better temperature stability. |
| Technology | Thick Film | Thin Film | Thick Film | - | Thin Film / Thick Film — Upgrade to higher precision technology.; RC0603FR-073K83L: Technology is identical. |
Application & sourcing insights
Questions & answers
Verified drop-in options for FRC0603J392 TS 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.