Is there a pin-compatible replacement for FRC0603F1433TS?

Yes, several 0603 package resistors are pin-compatible. FRC0603F1403TS and FRC0603F1373TS are form-fit compatible, but have slightly different resistance values that require engineering review.

What risks should I check before replacing FRC0603F1433TS?

The main risk is the change in resistance. Ensure your circuit's performance is not adversely affected by using a 140kΩ or 137kΩ resistor instead of the original 143kΩ.

FRC0603F1433TS Alternatives, Datasheet & Cross Reference | FOJAN

FRC0603F1433TS is a 143kΩ, 1% tolerance, 0.1W thick film chip resistor in a standard 0603 package. Key alternatives involve slight variations in resistance.

AI replacement insight

Electrical risklow

Resistance differs by 2-5%, which is acceptable for many non-critical applications.

Package risklow

All viable alternatives share the same 0603 package.

Sourcing risklow

Alternatives are from the same manufacturer and product family.

Can it be replaced directly?

No exact drop-in replacement was found. The closest options are FRC0603F1403TS (140kΩ) and FRC0603F1373TS (137kΩ), which require review.

Best replacement path

Use a parametric alternative from the same manufacturer, like FRC0603F1403TS, after verifying the resistance change is acceptable.

Main risk

Slight resistance deviation may impact circuit performance in precision applications.

Recommended alternatives

A close parametric alternative from the same series with a slightly lower resistance of 140kΩ.

View details

Alternative comparison matrix

Feature / factor	FRC0603F1433TS	FRC0603F1373TS	FRC0603F1403TS	Compatibility / risk
Package	0603	0603	0603	0603 — Same package ensures form-fit compatibility.; FRC0603F1403TS: Same package ensures form-fit compatibility.
Resistance	143kΩ	137kΩ	140kΩ	137kΩ / 140kΩ — 4.2% lower resistance, requires circuit tolerance check.; FRC0603F1403TS: 2.1% lower resistance, requires circuit tolerance check.
Tolerance	±1%	±1%	±1%	±1% — Identical precision.; FRC0603F1403TS: Identical precision.
Power	0.1W	0.1W	0.1W	0.1W — Power rating is identical.; FRC0603F1403TS: Power rating matches. Source data conflict (1W vs 0.1W) resolved to 0.1W.
Tcr	±100 ppm/°C	±100 ppm/°C	±100 ppm/°C	±100 ppm/°C — Temperature stability is identical.; FRC0603F1403TS: Temperature stability is identical.

Application & sourcing insights

Questions & answers

FRC0603F1403TS is a strong alternative from the same manufacturer with a slightly lower resistance of 140kΩ. Always verify if this change is acceptable for your application.