FRC0402F1801TS
FOJAN
Needs validationlow risk
An upgrade with tighter ±1% tolerance and better ±100ppm/°C TCR in the same 0402 package.
Best Alternatives to RC0402JR-071K8L
Find verified substitutes for the Yageo RC0402JR-071K8L, a 1.8kΩ 5% 0.0625W 0402 resistor. This page lists functional alternatives and upgrades with analysis of key parametric differences.
AI replacement insight
Electrical risklow
Key parameters are well-matched or improved. Power rating requires application-specific review.
Package risklow
All candidates use the standard 0402 package, ensuring physical compatibility.
Sourcing risklow
This is a common resistor value with many available vendors, reducing supply chain risk.
Can it be replaced directly?
Yes, parts like Walsin's WR04X182JTL offer very similar specifications and are considered strong functional alternatives.
Best replacement path
Upgrade to a ±1% tolerance part like FRC0402F1801TS or RC-02K1801FT for better precision in the same 0402 package.
Main risk
The primary risk is the power rating. While substitutes match the 0.0625W rating, they don't offer an increased safety margin, which may be a factor in high-stress designs.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RC0402JR-071K8L | FRC0402F1801TS | RC-02K1801FT | 0402WGF1781TCE | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 1.8 kΩ | 1.8 kΩ | 1.8 kΩ | 1.78 kΩ | 1.8 kΩ / 1.78 kΩ — Nominal resistance matches.; RC-02K1801FT: Nominal resistance matches.; 0402WGF1781TCE: Nominal value is -1.1% vs target, but well within target's ±5% tolerance band.; WR04X182JTL: Nominal resistance matches. |
| Tolerance | ±5% | ±1% | ±1% | ±1% | ±1% / ±5% — Tighter tolerance provides higher precision.; RC-02K1801FT: Tighter tolerance provides higher precision.; 0402WGF1781TCE: Tighter tolerance provides higher precision.; WR04X182JTL: Tolerance matches. |
| Tcr | ±200 ppm/°C | ±100 ppm/°C | ±100 ppm/°C | - | ±100 ppm/°C — Improved temperature stability.; RC-02K1801FT: Improved temperature stability. |
| Power | 0.0625 W | 0.0625 W | 0.0625 W | 0.0625 W | 0.0625 W — Matches target, but does not provide the 1.5x margin suggested by engineering rules.; RC-02K1801FT: Matches target, but does not provide the 1.5x margin suggested by engineering rules.; 0402WGF1781TCE: Matches target, but does not provide the 1.5x margin suggested by engineering rules.; WR04X182JTL: Matches target, but does not provide the 1.5x margin suggested by engineering rules. |
| Package | 0402 | 0402 | - | - | 0402 — Package size matches.; WR04X182JTL: Package size matches. |
Application & sourcing insights
Questions & answers
For improved precision, FRC0402F1801TS is an excellent upgrade with ±1% tolerance and a better TCR. For a like-for-like replacement, WR04X182JTL is a strong functional alternative.