
Yageo
Yageo RC0603FR-0728KL is a potential pin-compatible alternative with matching key electrical parameters and package.
RS-03K2802FT is a 28kΩ, 100mW, 1% thick film resistor in a 0603 package. Several alternatives exist, including a strong pin-compatible match and high-precision upgrades that require engineering review.
All viable candidates use the same 0603 package, ensuring physical compatibility.
Risks include using a part with different resistance or technology (Thin Film), which requires circuit analysis.
Alternatives from major manufacturers like Yageo are widely available.
Direct replacement for RS-03K2802FT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
RC0603FR-0728KL from Yageo is the most promising direct replacement, matching all key specifications.
The primary risk is substituting with a part that has a different resistance value or technology (Thick vs. Thin Film) without analyzing circuit impact.

Yageo
Yageo RC0603FR-0728KL is a potential pin-compatible alternative with matching key electrical parameters and package.
| Feature / factor | RS-03K2802FT | RC0603FR-0728KL | RT0603BRD0728KL | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 28kΩ | 28kΩ | 28kΩ | 28kΩ — Exact match.; RT0603BRD0728KL: Exact match. | |
| Tolerance | ±1% | ±1% | ±0.1% | ±1% / ±0.1% — Exact match.; RT0603BRD0728KL: Tighter tolerance is a performance upgrade. | |
| Power | 0.1W | 0.1W | - | 0.1W — Matches target power rating. | |
| Package | 0603 | 0603 | 0603 | 0603 — Matches package size.; RT0603BRD0728KL: Matches package size. | |
| Technology | Thick Film | Thick Film | Thin Film | Thick Film / Thin Film — Matches resistor technology.; RT0603BRD0728KL: Candidate is Thin Film, target is Thick Film. May affect pulse/noise performance. | |
| Tcr | ±100ppm/℃ | ±100 ppm/°C | 25 ppm/°C | ±100 ppm/°C / 25 ppm/°C — Matches temperature coefficient.; RT0603BRD0728KL: Better temperature stability is an upgrade. |
Verified drop-in options for RS-03K2802FT 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.