AC0603FR-07300KL
Yageo
Needs validationmedium risk
An AEC-Q200 qualified pin-compatible replacement with identical key electrical parameters and package.
Best Alternatives to RS-03K3003FT
RS-03K3003FT is a general-purpose 300kΩ, 1%, 0.1W thick film resistor in a 0603 package. Several pin-compatible and parametric alternatives are available from manufacturers like Yageo and Viking Tech.
AI replacement insight
Electrical riskmedium
Using parts with different resistance or technology (Thin Film) requires engineering validation.
Package risklow
All reviewed candidates use the same 0603 package, ensuring form and fit compatibility.
Can it be replaced directly?
Direct replacement for RS-03K3003FT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a direct drop-in, use AC0603FR-07300KL. For higher precision needs, consider ARG03BTC3003 but verify the technology change.
Main risk
The main risk is using a substitute with a different resistance value (e.g., 270kΩ or 330kΩ) without verifying circuit tolerance.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | RS-03K3003FT | AC0603FR-07300KL | ARG03BTC3003 | FRC0603F3013TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Package size matches.; ARG03BTC3003: Package size matches.; FRC0603F3013TS: Package size matches. |
| Resistance | 300kΩ | 300kΩ | 300kΩ | 301kΩ | 300kΩ / 301kΩ — Resistance value matches.; ARG03BTC3003: Resistance value matches.; FRC0603F3013TS: Resistance is within target's ±1% tolerance. |
| Power | 0.1W | 0.1W | - | 0.1W | 0.1W — Power rating matches.; FRC0603F3013TS: Power rating matches. Catalog data shows 1.0W error, but datasheet confirms 0.1W. |
| Tolerance | ±1.0% | ±1.0% | ±0.1% | ±1.0% | ±1.0% / ±0.1% — Tolerance matches.; ARG03BTC3003: Candidate has tighter tolerance.; FRC0603F3013TS: Tolerance matches. |
| Application | Commercial | AEC-Q200 | - | - | AEC-Q200 — Candidate is automotive qualified. |
| Tcr | ±100ppm/℃ | - | ±25ppm/°C | - | ±25ppm/°C — Candidate has better temperature stability. |
| Technology | Thick Film | - | Thin Film | - | Thin Film — Technology differs, may affect pulse handling. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RS-03K3003FT 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.