FRC0402F4990TS
FOJAN
Needs validationlow risk
Strong pin-to-pin candidate with matching package, resistance, tolerance, and power rating.
Best Alternatives to RTT024990FTH
Find pin-compatible, functional, and parametric alternatives for the RTT024990FTH resistor. Key parameters are 499Ω, 1% tolerance, and a 1/16W power rating in a standard 0402 package.
AI replacement insight
Package risklow
All candidates are in the same 0402 package.
Electrical riskmedium
Some candidates have different resistance or technology (Thin Film), requiring engineering review.
Sourcing risklow
Multiple vendors offer compatible parts, indicating good availability.
Can it be replaced directly?
Direct replacement for RTT024990FTH should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a direct replacement, use FRC0402F4990TS which matches all key specs. For higher precision, Yageo's RT/AT series are upgrades but use different technology.
Main risk
The main risk is substituting with a different technology (Thin vs. Thick Film) or a different resistance value, which requires circuit validation.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RTT024990FTH | FRC0402F4990TS | AT0402BRD07499RL | RT0402BRD07499RL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Matches form and fit.; AT0402BRD07499RL: Matches form and fit.; RT0402BRD07499RL: Matches form and fit.; 0402WGF4750TCE: Matches form and fit. |
| Resistance | 499 Ω | 499 Ω | - | 499 Ω | 499 Ω / 475 Ω — Identical resistance value.; RT0402BRD07499RL: Identical resistance value.; 0402WGF4750TCE: Resistance differs by -4.8%. |
| Tolerance | ±1% | ±1% | ±0.1% | ±0.1% | ±1% / ±0.1% — Identical tolerance.; AT0402BRD07499RL: Tighter tolerance is an upgrade.; RT0402BRD07499RL: Tighter tolerance is an upgrade.; 0402WGF4750TCE: Identical tolerance. |
| Power | 1/16 W | 1/16 W | - | - | 1/16 W — Matches power rating. |
| Technology | Thick Film | Thick Film | Thin Film | Thin Film | Thick Film / Thin Film — Matches resistor technology.; AT0402BRD07499RL: Different technology may affect pulse handling.; RT0402BRD07499RL: Different technology may affect pulse handling.; 0402WGF4750TCE: Matches resistor technology. |
| Application | Commercial | - | AEC-Q200 | - | AEC-Q200 — Automotive grade is an upgrade. |
| Tcr | Not specified (likely >100) | - | - | 25 ppm/°C | 25 ppm/°C — Better TCR provides higher stability. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RTT024990FTH 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.