Is there a pin-compatible replacement for FRC0603F3304TS?

Several candidates like RC0603FR-073ML and FRC0603F3004TS share the same 0603 package and are pin-compatible. However, they have different resistance values or temperature coefficients, requiring engineering review before substitution.

What risks should I check before replacing FRC0603F3304TS?

The main risks are electrical. The target has a 3.3MΩ resistance and ±1% tolerance. Substitutes may have different resistance (e.g., 3MΩ), wider tolerance (e.g., ±5%), or a worse temperature coefficient (TCR). These changes can affect circuit accuracy and stability.

FRC0603F3304TS Alternatives, Datasheet & Cross Reference | FOJAN

FRC0603F3304TS is a 3.3MΩ, 1% tolerance, 0.1W thick film chip resistor in a standard 0603 package. Finding an exact match is key for precision circuits, but alternatives with slightly different parameters may be suitable for general-purpose applications.

AI replacement insight

Electrical riskmedium

Resistance value is a key parameter and differs by 9% in the best candidates.

Package risklow

All viable candidates use the same 0603 package.

Sourcing risklow

0603 resistors are widely available from multiple vendors.

Can it be replaced directly?

No direct, one-to-one replacement for FRC0603F3304TS was identified. All suitable candidates require a review of parametric differences.

Best replacement path

The best path is to use a parametric alternative with the same tolerance and TCR, like FRC0603F3004TS, but you must validate the impact of the 9% lower resistance value.

Main risk

The primary risk is the resistance deviation. Using a 3MΩ resistor instead of 3.3MΩ could shift biasing, timing, or gain in the circuit.

Recommended alternatives

Parametric alternative from the same manufacturer with a lower resistance value of 3MΩ.

View details

Alternative comparison matrix

Feature / factor	FRC0603F3304TS	FRC0603F3004TS	RC0603FR-073ML	FRC0603J305 TS	Compatibility / risk
Package	0603	0603	0603	0603	0603 — Package size matches.; RC0603FR-073ML: Package size matches.; FRC0603J305 TS: Package size matches.
Resistance	3.3 MΩ	3 MΩ	3 MΩ	3 MΩ	3 MΩ — Resistance is ~9% lower.; RC0603FR-073ML: Resistance is ~9% lower.; FRC0603J305 TS: Resistance is ~9% lower.
Tolerance	±1%	±1%	±1%	±5%	±1% / ±5% — Tolerance matches.; RC0603FR-073ML: Tolerance matches.; FRC0603J305 TS: Tolerance is a significant downgrade.
Tcr	±100 ppm/°C	±100 ppm/°C	±200 ppm/°C	±100 ppm/°C	±100 ppm/°C / ±200 ppm/°C — TCR matches.; RC0603FR-073ML: TCR is weaker, less stable over temperature.; FRC0603J305 TS: TCR matches.
Power	1/10 W	-	1/10 W	-	1/10 W — Power rating matches.

Application & sourcing insights

Questions & answers

There are no direct drop-in replacements found. The closest options are parametric alternatives like FRC0603F3004TS, which has a 3MΩ resistance instead of 3.3MΩ. Always verify if this 9% deviation is acceptable for your application.