
Yageo
Strong match from Yageo with identical key electrical and physical specifications.
FRC0603F1782TS is a general-purpose 17.8kΩ 1% 0.1W thick film resistor in a standard 0603 package. Finding a suitable replacement involves matching these key electrical parameters and physical footprint.
Low if key parameters are matched.
0603 is a standard package, ensuring physical compatibility.
Direct replacement for FRC0603F1782TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The best replacement path is finding a resistor with identical resistance, tolerance, power rating, and 0603 package, such as Yageo's RC0603FR-0717K8L.
The main risk when substituting resistors is a mismatch in resistance value, tolerance, or power rating, which can alter circuit behavior.

Yageo
Strong match from Yageo with identical key electrical and physical specifications.
| Feature / factor | FRC0603F1782TS | RC0603FR-0717K8L | RT0603BRD0717K8L | RC0603FR-0717K4L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Standard 0603 package matches target.; RT0603BRD0717K8L: Standard 0603 package matches target.; RC0603FR-0717K4L: Standard 0603 package matches target. |
| Resistance | 17.8 kΩ | 17.8 kΩ | 17.8 kΩ | 17.4 kΩ | 17.8 kΩ / 17.4 kΩ — Resistance value is identical.; RT0603BRD0717K8L: Resistance value is identical.; RC0603FR-0717K4L: Resistance deviates by -2.25%. |
| Tolerance | ±1% | ±1% | ±0.1% | ±1% | ±1% / ±0.1% — Tolerance is identical.; RT0603BRD0717K8L: Tighter tolerance is an upgrade.; RC0603FR-0717K4L: Tolerance is identical. |
| Power | 0.1 W | 0.1 W | - | 0.1 W | 0.1 W — Power rating is identical.; RC0603FR-0717K4L: Power rating is identical. |
| Technology | Thick Film | Thick Film | Thin Film | - | Thick Film / Thin Film — Resistor technology is the same.; RT0603BRD0717K8L: Different technology may affect performance. |
| Tcr | ±100 ppm/°C | - | 25 ppm/°C | - | 25 ppm/°C — Lower TCR provides better stability. |
Verified drop-in options for FRC0603F1782TS 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.