FRC0805F4992TS
FOJAN
Needs validationlow risk
Pin-compatible 0805 resistor with matching 49.9kΩ resistance, 1% tolerance, and 125mW power rating.
Best Alternatives to RC0805FR-0749K9L
Find direct and alternative replacements for the Yageo RC0805FR-0749K9L, a 49.9kΩ 1% 0.125W 0805 thick film resistor. Review pin-compatible options and parametric alternatives.
AI replacement insight
Package risklow
All candidates use the standard 0805 package, but pad layouts should be double-checked.
Electrical riskmedium
Some candidates have different resistance or technology. These require engineering review.
Sourcing risklow
The target is a common value, and multiple alternatives exist from various manufacturers.
Can it be replaced directly?
Direct replacement for RC0805FR-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 RC0805FR-0749K9L, then review parametric alternatives for package and electrical fit.
Main risk
The main risk is using a part with a different resistance value or technology (e.g., Thin Film) without analyzing circuit impact.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | RC0805FR-0749K9L | FRC0805F4992TS | RS-05K4992FT | RT0805BRD0749K9L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 | 0805 | 0805 | 0805 | 0805 — Form factor matches.; RS-05K4992FT: Form factor matches.; RT0805BRD0749K9L: Form factor matches.; FRC0805F5232TS: Form factor matches. |
| Resistance | 49.9 kΩ | 49.9 kΩ | 49.9 kΩ | 49.9 kΩ | 49.9 kΩ / 52.3 kΩ — Resistance matches.; RS-05K4992FT: Resistance matches.; RT0805BRD0749K9L: Resistance matches.; FRC0805F5232TS: Resistance is ~4.8% higher. Verify circuit impact. |
| Tolerance | ±1% | ±1% | ±1% | ±0.1% | ±1% / ±0.1% — Tolerance matches.; RS-05K4992FT: Tolerance matches.; RT0805BRD0749K9L: Tighter tolerance is an upgrade.; FRC0805F5232TS: Tolerance matches. |
| Power | 0.125 W | 0.125 W | 0.125 W | - | 0.125 W — Power rating matches.; RS-05K4992FT: Power rating matches.; FRC0805F5232TS: Power rating matches. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | - | 25 ppm/°C | ±100 ppm/°C / 25 ppm/°C — Temperature coefficient matches.; RT0805BRD0749K9L: Lower TCR is an upgrade. |
| Technology | Thick Film | - | - | Thin Film | Thin Film — Technology differs, affecting noise and pulse handling. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RC0805FR-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.