FRC0603F8251TS
FOJAN
Needs validationlow risk
FOJAN FRC0603F8251TS is a pin-compatible alternative with matching resistance, tolerance, and package.
Best Alternatives to RS-03K8251FT
RS-03K8251FT is a general-purpose 8.25kΩ, 1%, 100mW thick film resistor in a 0603 package. Several pin-compatible alternatives with identical key specifications are available from other manufacturers.
AI replacement insight
Electrical risklow
Key parameters match, but secondary characteristics should be verified in sensitive circuits.
Package risklow
All candidates use the standard 0603 package, ensuring mechanical compatibility.
Can it be replaced directly?
Direct replacement for RS-03K8251FT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
RC0603FR-078K25L from Yageo is the best direct replacement, offering an identical match on all key parameters.
Main risk
The primary risk is ensuring that secondary characteristics, such as pulse withstanding capability or noise figures, are acceptable for the specific application.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RS-03K8251FT | FRC0603F8251TS | RC0603FR-078K25L | RT0603BRE078K25L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Identical package ensures form-fit compatibility.; RC0603FR-078K25L: Identical package ensures form-fit compatibility.; RT0603BRE078K25L: Package is a form-fit match.; RS-03K8201FT: Package is a form-fit match. |
| Resistance | 8.25 kΩ | 8.25 kΩ | 8.25 kΩ | - | 8.25 kΩ / 8.2 kΩ — Nominal resistance is identical.; RC0603FR-078K25L: Nominal resistance is identical.; RS-03K8201FT: Slightly different nominal resistance (-0.6%). |
| Power | 100 mW | 100 mW | 100 mW | - | 100 mW — Power rating matches based on summary/ES data (catalog spec shows 1.0W, likely an error).; RC0603FR-078K25L: Power rating is identical. |
| Tolerance | ±1% | ±1% | ±1% | ±0.1% | ±1% / ±0.1% — Tolerance matches the target specification.; RC0603FR-078K25L: Tolerance matches the target specification.; RT0603BRE078K25L: Tighter tolerance is a performance upgrade.; RS-03K8201FT: Tolerance is identical. |
| Tcr | ±100ppm/℃ | - | ±100 ppm/°C | 50 ppm/°C | ±100 ppm/°C / 50 ppm/°C — Temperature coefficient is the same.; RT0603BRE078K25L: Lower TCR provides better temperature stability. |
| Technology | Thick Film | - | - | Thin Film | Thin Film — Different technology may affect noise, stability, and pulse handling. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RS-03K8251FT 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.