AC1206FR-07249RL
Yageo
Needs validationlow risk
An excellent upgrade with matching specs plus AEC-Q200 qualification for higher reliability.
Best Alternatives to 1206W4F2490T5E
Find reliable substitutes and upgrade paths for the UNI-ROYAL 1206W4F2490T5E resistor. This page provides verified alternatives for the 249Ω, 1%, 0.25W, 1206 chip resistor.
AI replacement insight
Package risklow
The 1206 package is standardized, so physical compatibility is high.
Electrical riskmedium
Must match resistance, tolerance, and power. Mismatches in technology or TCR can affect performance.
Sourcing risklow
This is a common resistor value with many available manufacturers, reducing sourcing risk.
Can it be replaced directly?
Direct replacement for 1206W4F2490T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The best replacement is AC1206FR-07249RL from Yageo, which matches all specifications and adds AEC-Q200 automotive qualification for enhanced reliability.
Main risk
The main risk is substituting with a part that has a different technology (e.g., Thin Film) or a different resistance value without verifying its suitability for the application.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | 1206W4F2490T5E | AC1206FR-07249RL | FRC1206F2490TS | RT1206BRD07249RL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 | 1206 | 1206 | 1206 — Matches target package size.; FRC1206F2490TS: Matches target package size.; RT1206BRD07249RL: Matches target package size.; RC1206FR-07240RL: Matches target package size. |
| Resistance | 249 Ω | 249 Ω | 249 Ω | - | 249 Ω / 240 Ω — Identical resistance value.; FRC1206F2490TS: Identical resistance value.; RC1206FR-07240RL: Resistance is 3.6% lower. Verify circuit tolerance. |
| Application | General Purpose | AEC-Q200 | - | - | AEC-Q200 — Automotive qualification is an upgrade. |
| Technology | Thick Film | Thick Film | Thick Film | Thin Film | Thick Film / Thin Film — Matches resistor technology.; FRC1206F2490TS: Matches resistor technology.; RT1206BRD07249RL: Different technology may affect pulse handling and noise.; RC1206FR-07240RL: Matches resistor technology. |
| Tolerance | ±1% | - | ±1% | ±0.1% | ±1% / ±0.1% — Identical tolerance.; RT1206BRD07249RL: Higher precision than target. |
| Power | 0.25 W | - | 0.25 W | - | 0.25 W — Identical power rating. |
| Tcr | Not specified (likely ±100) | - | - | 25 ppm/°C | 25 ppm/°C — Significantly better temperature stability. |
| Temperature | -55°C to +155°C | - | - | -55°C to +125°C | -55°C to +125°C — Reduced maximum operating temperature. |
Application & sourcing insights
Questions & answers
Verified drop-in options for 1206W4F2490T5E 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.