RHC-01W4990FT
FH (Guangdong Fenghua Advanced Tech)
Needs validationlow risk
A 499Ω, 1%, 0.05W resistor in a matching 0201 package. Features anti-sulfurated properties for higher reliability.
Best Alternatives to RTT014990FTH
Find and compare alternatives for the RALEC RTT014990FTH, a 499Ω 1% 0.05W 0201 thick film resistor. This guide provides verified substitutes and parametric alternatives.
AI replacement insight
Electrical riskmedium
Risk is medium if using 510Ω parts due to value change; low for 499Ω parts.
Package risklow
All recommended alternatives use the same 0201 package.
Sourcing risklow
Multiple vendors offer suitable 0201 resistors in this range.
Can it be replaced directly?
Direct replacement for RTT014990FTH should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The most direct path is using an identical spec part like FH's RHC-01W4990FT. If unavailable, consider common 510Ω resistors but verify circuit impact.
Main risk
The main risk is using a parametric alternative with a different resistance value (e.g., 510Ω) without verifying its impact on circuit performance.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RTT014990FTH | RHC-01W4990FT | 0201WMF5100TEE | RC0201FR-07510RL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0201 | 0201 | 0201 | 0201 | 0201 — Matches target package.; 0201WMF5100TEE: Matches target package.; RC0201FR-07510RL: Matches target package.; RC-01W5100FT: Matches target package. |
| Resistance | 499.0 Ω | 499.0 Ω | 510.0 Ω | 510.0 Ω | 499.0 Ω / 510.0 Ω — Matches target resistance.; 0201WMF5100TEE: Resistance is ~2.2% higher than target.; RC0201FR-07510RL: Resistance is ~2.2% higher than target.; RC-01W5100FT: Resistance is ~2.2% higher than target. |
| Power | 0.05 W | 0.05 W | 0.05 W | 0.05 W | 0.05 W — Matches target power rating (corrected from erroneous 1W data).; 0201WMF5100TEE: Matches target power rating.; RC0201FR-07510RL: Matches target power rating.; RC-01W5100FT: Matches target power rating. |
| Tolerance | 1.0 % | 1.0 % | - | 1.0 % | 1.0 % — Matches target tolerance.; RC0201FR-07510RL: Matches target tolerance. |
| Application | General Purpose | Anti-Sulfurated | - | - | Anti-Sulfurated — Candidate has enhanced feature. |
| Tcr | unknown | - | unknown | - | unknown / ±200ppm/℃ — TCR not specified in provided data.; RC-01W5100FT: TCR specified, but target's is unknown. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RTT014990FTH 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.