RS-03K4701FT
FH (Guangdong Fenghua Advanced Tech)
Needs validationmedium risk
Same-series upgrade from Fenghua with tighter ±1% tolerance. Package, resistance, power, and TCR match the target.
Best Alternatives to RS-03K472JT
Find pin-compatible substitutes and upgrade paths for the Fenghua RS-03K472JT 4.7kΩ 5% 0.1W 0603 resistor. Review key parametric differences in tolerance, TCR, and power rating before selection.
AI replacement insight
Electrical riskmedium
Power rating matches but does not exceed target with a safety margin. User must verify circuit load.
Package risklow
All suggested alternatives use the same standard 0603 package.
Sourcing risklow
Multiple viable alternatives are available from major manufacturers.
Can it be replaced directly?
Direct replacement for RS-03K472JT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Upgrade to a 1% tolerance part like Vishay's CRCW06034K70FKEA for higher precision and automotive qualification, or Fenghua's RS-03K4701FT for a same-series upgrade.
Main risk
The primary risk is insufficient power derating if the circuit operates near the 0.1W limit. Engineering best practices often suggest a higher power rating.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RS-03K472JT | RS-03K4701FT | CRCW06034K70FKEA | FRC0603F4701TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Matches target package.; CRCW06034K70FKEA: Matches target package.; FRC0603F4701TS: Matches target package.; RC0603FR-074K7L: Matches target package. |
| Resistance | 4.7kΩ | 4.7kΩ | 4.7kΩ | 4.7kΩ | 4.7kΩ — Matches target resistance.; CRCW06034K70FKEA: Matches target resistance.; FRC0603F4701TS: Matches target resistance.; RC0603FR-074K7L: Matches target resistance. |
| Tolerance | ±5% | ±1% | ±1% | ±1% | ±1% — Tighter tolerance provides higher precision.; CRCW06034K70FKEA: Tighter tolerance provides higher precision.; FRC0603F4701TS: Tighter tolerance provides higher precision.; RC0603FR-074K7L: Tighter tolerance provides higher precision. |
| Power | 0.1W | 0.1W | 0.1W | 0.1W | 0.1W — Matches target, but engineering rules suggest a 1.5x margin.; CRCW06034K70FKEA: Matches target, but engineering rules suggest a 1.5x margin.; FRC0603F4701TS: Matches target, but engineering rules suggest a 1.5x margin.; RC0603FR-074K7L: Matches target, but engineering rules suggest a 1.5x margin. |
| Tcr | ±100ppm/℃ | ±100ppm/℃ | - | ±100ppm/°C | ±100ppm/℃ / ±100ppm/°C — Matches target TCR.; FRC0603F4701TS: Matches target TCR.; RC0603FR-074K7L: Matches target TCR. |
| Application | Commercial | - | AEC-Q200 | - | AEC-Q200 — Automotive qualification may offer higher reliability. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RS-03K472JT 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.