Is there a pin-compatible replacement for FRC0603F1802TS?

Yes, several parts like FRC0603F1742TS share the same 0603 package and are pin-compatible. However, they are not direct drop-in replacements due to different resistance values and require engineering review.

What risks should I check before replacing FRC0603F1802TS?

The primary risk is the change in resistance. A deviation from 18kΩ can affect circuit timing, gain, or biasing. Always verify that the candidate's resistance value is within your design's acceptable range.

FRC0603F1802TS Alternatives, Datasheet & Cross Reference | FOJAN

Find and compare suitable alternatives for the FRC0603F1802TS, an 18kΩ 1% 0.1W 0603 chip resistor from FOJAN. Review parametric differences before substitution.

AI replacement insight

Electrical riskmedium

Resistance values differ by 3-6%, which may affect circuit biasing, timing, or gain. Verification is required.

Package risklow

All viable candidates share the same 0603 package, ensuring physical compatibility.

Can it be replaced directly?

No direct drop-in replacement was found. Several parametric alternatives with different resistance values are available but require engineering review.

Best replacement path

Parametric alternative

Main risk

The primary risk is electrical performance change due to resistance deviation from the target's 18kΩ value.

Recommended alternatives

A form-fit alternate with a lower resistance of 16.9kΩ. Other key electrical parameters match.

View details

Alternative comparison matrix

Feature / factor	FRC0603F1802TS	FRC0603F1692TS	FRC0603F1742TS	FRC0603F1872TS	Compatibility / risk
Package	0603	0603	0603	0603	0603 — Same package ensures form-fit compatibility.; FRC0603F1742TS: Same package ensures form-fit compatibility.; FRC0603F1872TS: Same package ensures form-fit compatibility.
Resistance	18 kΩ	16.9 kΩ	17.4 kΩ	18.7 kΩ	16.9 kΩ / 17.4 kΩ / 18.7 kΩ — Resistance is 6.1% lower than target.; FRC0603F1742TS: Resistance is 3.3% lower than target.; FRC0603F1872TS: Resistance is 3.9% higher than target.
Power	0.1 W	0.1 W	0.1 W	0.1 W	0.1 W — Power rating matches.; FRC0603F1742TS: Power rating matches.; FRC0603F1872TS: Power rating matches.
Tolerance	±1%	±1%	±1%	±1%	±1% — Tolerance matches.; FRC0603F1742TS: Tolerance matches.; FRC0603F1872TS: Tolerance matches.
Tcr	±100 ppm/°C	-	-	±100 ppm/°C	±100 ppm/°C — Temperature coefficient matches.

Application & sourcing insights

Questions & answers

FRC0603F1742TS (17.4kΩ) and FRC0603F1872TS (18.7kΩ) are the closest parametric alternatives. They share the same package, power, and tolerance, but their resistance values differ. The best choice depends on your circuit's tolerance to this deviation.