
FOJAN
Strong pin-compatible alternative from FOJAN with matching key electrical parameters and package.
Yageo's RC0603FR-0740K2L is a general-purpose 40.2kΩ 1% 0.1W resistor in a 0603 package. Several pin-compatible alternatives and functional upgrades from other manufacturers are available, providing flexibility in sourcing.
For exact matches like FRC0603F4022TS, electrical risk is minimal. For others, resistance or technology differences must be evaluated.
All presented candidates use the same 0603 package, ensuring physical compatibility.
Multiple vendors manufacture compatible parts, indicating healthy supply chain options.
Direct replacement for RC0603FR-0740K2L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
FRC0603F4022TS from FOJAN is the strongest candidate, offering an exact match on all key parameters including resistance, tolerance, power, and package.
The primary risk is using a part with a different resistance value or technology. For example, RT0603BRD0740KL is a Thin Film resistor, which may behave differently in high-frequency or high-pulse applications.

FOJAN
Strong pin-compatible alternative from FOJAN with matching key electrical parameters and package.
| Feature / factor | RC0603FR-0740K2L | FRC0603F4022TS | SCR0603F40K | RT0603BRD0740KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 (1608 Metric) | - | - | 0603 — Form factor matches. |
| Resistance | 40.2 kΩ | 40.2 kΩ | - | - | 40 kΩ — Slightly lower resistance, but within target's ±1% tolerance band. |
| Tolerance | ±1% | ±1% | - | - | ±0.1% — Tighter tolerance is an upgrade. |
| Power | 0.1 W | 0.1 W | - | - | 0.1 W — Power rating is identical. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | - | - | 25 ppm/°C — Improved TCR provides better stability over temperature. |
| Technology | Thick Film | - | - | Thin Film | Thin Film — Different technology may affect noise and pulse handling. |
Verified drop-in options for RC0603FR-0740K2L 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.