RC1206FR-073K9L
Yageo
Needs validationlow risk
A strong pin-compatible alternative from Yageo with matching resistance, tolerance, power rating, and package.
Best Alternatives to FRC1206F3901TS
Find suitable replacements for the FRC1206F3901TS, a 3.9kΩ 1% 0.25W 1206 chip resistor. This guide provides pin-compatible, upgrade, and parametric alternatives from trusted manufacturers.
AI replacement insight
Electrical riskmedium
Risk is low for 1:1 matches, but medium to high for parts with different resistance or tolerance.
Package risklow
All suggested alternatives use the same standard 1206 package, minimizing physical layout issues.
Sourcing risklow
This is a very common resistor value, available from multiple manufacturers, reducing sourcing risk.
Can it be replaced directly?
Direct replacement for FRC1206F3901TS 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 FRC1206F3901TS, then review parametric alternatives for package and electrical fit.
Main risk
The main risk when substituting is using a part with a relaxed tolerance (e.g., ±5%) or a different resistance value, which can negatively affect circuit performance.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | FRC1206F3901TS | RC1206FR-073K9L | RT1206BRD073K9L | RC1206FR-074K02L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 (3216 Metric) | 1206 | 1206 | 1206 | 1206 — Package size matches.; RT1206BRD073K9L: Package size matches.; RC1206FR-074K02L: Package size matches.; RC1206FR-073K6L: Package size matches. |
| Resistance | 3.9 kΩ | 3.9 kΩ | 3.9 kΩ | 4.02 kΩ | 3.9 kΩ / 4.02 kΩ / 3.6 kΩ — Resistance value matches.; RT1206BRD073K9L: Resistance value matches.; RC1206FR-074K02L: Resistance is ~3% higher than target.; RC1206FR-073K6L: Resistance is ~7.7% lower than target. |
| Tolerance | ±1% | ±1% | ±0.1% | ±1% | ±1% / ±0.1% — Resistance tolerance matches.; RT1206BRD073K9L: Tighter tolerance is a performance upgrade.; RC1206FR-074K02L: Resistance tolerance matches.; RC1206FR-073K6L: Resistance tolerance matches. |
| Power | 0.25 W | 0.25 W | - | - | 0.25 W — Power rating matches. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | 25 ppm/°C | - | ±100 ppm/°C / 25 ppm/°C — Temperature coefficient matches.; RT1206BRD073K9L: Lower TCR provides better stability over temperature. |
| Technology | Thick Film | - | Thin Film | - | Thin Film — Different film tech; may affect noise or pulse handling. |
Application & sourcing insights
Questions & answers
Verified drop-in options for FRC1206F3901TS 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.