1206W4F4992T5E
UNI-ROYAL
Needs validationlow risk
A pin-compatible thick film resistor with identical key electrical and physical specifications.
Best Alternatives to RC1206FR-0749K9L
Find the best substitutes for the Yageo RC1206FR-0749K9L, a 49.9kΩ 0.25W 1% 1206 thick film resistor. This page provides verified pin-compatible alternatives, potential upgrades, and parametric options to meet your design needs.
AI replacement insight
Package risklow
Multiple alternatives exist in the same 1206 package.
Electrical riskmedium
Some alternatives use thin film technology or have different resistance values, requiring engineering review.
Sourcing risklow
This is a common resistor value with multiple manufacturers available.
Can it be replaced directly?
Direct replacement for RC1206FR-0749K9L 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 RC1206FR-0749K9L, then review parametric alternatives for package and electrical fit.
Main risk
The primary risk when substituting is an unintended change in resistor technology from thick film to thin film, which can affect performance in applications sensitive to pulse handling or cost.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | RC1206FR-0749K9L | 1206W4F4992T5E | RT1206BRD0749K9L | FRC1206F4702TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 | 1206 | 1206 | 1206 — Identical package ensures physical compatibility.; RT1206BRD0749K9L: Identical package ensures physical compatibility.; FRC1206F4702TS: Identical package ensures physical compatibility. |
| Resistance | 49.9 kΩ | 49.9 kΩ | 49.9 kΩ | 47 kΩ | 49.9 kΩ / 47 kΩ — Resistance value is identical.; RT1206BRD0749K9L: Resistance value is identical.; FRC1206F4702TS: Resistance is ~5.8% lower, outside the target's ±1% tolerance. |
| Tolerance | ±1% | ±1% | ±0.1% | - | ±1% / ±0.1% — Tolerance is identical.; RT1206BRD0749K9L: Tighter tolerance is an upgrade. |
| Power | 0.25 W | 0.25 W | - | 0.25 W | 0.25 W — Power rating is identical.; FRC1206F4702TS: Power rating is identical. |
| Technology | Thick Film | Thick Film | Thin Film | Thick Film | Thick Film / Thin Film — Same resistor technology.; RT1206BRD0749K9L: Thin film offers better stability but may have different pulse handling characteristics.; FRC1206F4702TS: Technology is a match. |
| Tcr | ±100 ppm/°C | - | 25 ppm/°C | - | 25 ppm/°C — Lower TCR provides better temperature stability. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RC1206FR-0749K9L 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.