
UNI-ROYAL
A pin-compatible 300kΩ 1% 0.1W resistor in the same 0603 package from a different manufacturer.
FRC0603F3003TS is a general-purpose 300kΩ 1% 0.1W resistor in a 0603 package. Several alternatives are available, including pin-compatible cross-references and high-precision upgrades.
Low for pin-compatible parts. Medium if resistance or technology is changed.
Low for 0603 alternatives. High for functional alternates in different packages.
This is a common resistor value; multiple vendors offer alternatives.
Direct replacement for FRC0603F3003TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Start with Datasheet verified or Strong match candidates for FRC0603F3003TS, then review parametric alternatives for package and electrical fit.
The main risk is selecting a parametrically relaxed alternative with a different resistance value (e.g., 270kΩ or 330kΩ) without verifying circuit compatibility.

UNI-ROYAL
A pin-compatible 300kΩ 1% 0.1W resistor in the same 0603 package from a different manufacturer.
| Feature / factor | FRC0603F3003TS | 0603WAF3003T5E | RT0603BRD07300KL | FRC0603F3303TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 (1608 Metric) | - | - | 0603 — matched |
| Resistance | 300 kΩ | 300 kΩ | - | - | 330 kΩ — 10% higher resistance value. |
| Tolerance | ±1% | ±1% | - | - | ±0.1% — Tighter tolerance. |
| Power | 0.1 W | 0.1 W | - | - | 0.1 W — matched |
| Manufacturer | FOJAN | UNI-ROYAL | - | - | FOJAN — Same manufacturer, likely same series. |
| Technology | Thick Film | - | Thin Film | - | Thin Film — May offer better stability but different pulse handling. |
| Tcr | ±100 ppm/°C | - | 25 ppm/°C | - | 25 ppm/°C — Lower TCR provides better stability over temperature. |
Verified drop-in options for FRC0603F3003TS 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.