Is there a pin-compatible replacement for RT0603BRD0733K2L?

Several 0603 package resistors like RC0603FR-0734KL are physically pin-compatible. However, they are not electrically equivalent due to significant differences in precision (tolerance, TCR) and technology (thick vs. thin film).

What risks should I check before replacing RT0603BRD0733K2L?

The main risks are performance degradation due to looser resistance tolerance (1% vs 0.1%), reduced stability from a higher TCR (±100 vs 25 ppm/°C), and potential noise differences between thick and thin film technologies. Verify these are acceptable in your circuit.

RT0603BRD0733K2L Alternatives, Datasheet & Cross Reference | Yageo

RT0603BRD0733K2L is a high-precision 33.2 kΩ thin film resistor. While direct replacements are scarce, several general-purpose thick film resistors in the same 0603 package offer similar resistance values but require careful review of tolerance and temperature stability.

AI replacement insight

Electrical riskhigh

Change from precision thin film to general-purpose thick film impacts tolerance and stability.

Package risklow

All candidates match the 0603 package, ensuring physical compatibility.

Can it be replaced directly?

No direct, drop-in replacement has been identified. All current candidates are significant downgrades in electrical precision and stability.

Best replacement path

Search for thin film resistors with 33.2kΩ resistance, ≤0.1% tolerance, and a TCR of ≤25 ppm/°C in an 0603 package.

Main risk

Loss of circuit precision and stability due to inferior resistance tolerance and a much higher temperature coefficient (TCR).

Recommended alternatives

General-purpose resistor with same package but lower precision (1% tol, 100ppm TCR) than target.

View details

Alternative comparison matrix

Feature / factor	RT0603BRD0733K2L	RC0603FR-0731K6L	RC0603FR-0734KL	CR0603-FX-3012ELF	Compatibility / risk
Package	0603	0603	0603	0603	0603 — Same physical footprint.; RC0603FR-0734KL: Same physical footprint.; CR0603-FX-3012ELF: Same physical footprint.
Technology	Thin Film	Thick Film	Thick Film	-	Thick Film — Target is high-precision Thin Film.; RC0603FR-0734KL: Target is high-precision Thin Film.
Resistance	33.2kΩ	31.6kΩ	34kΩ	30.1kΩ	31.6kΩ / 34kΩ / 30.1kΩ — Within 5% of target value.; RC0603FR-0734KL: Within 3% of target value.; CR0603-FX-3012ELF: Within 10% of target value.
Tolerance	0.1%	1%	1%	1%	1% — Significant precision downgrade.; RC0603FR-0734KL: Significant precision downgrade.; CR0603-FX-3012ELF: Significant precision downgrade.
Tcr	25 ppm/°C	±100 ppm/°C	±100 ppm/°C	±100 PPM/°C	±100 ppm/°C / ±100 PPM/°C — Lower stability over temperature.; RC0603FR-0734KL: Lower stability over temperature.; CR0603-FX-3012ELF: Lower stability over temperature.
Power	0.1W	-	0.1W	-	0.1W — Matches target, but no safety margin.
Voltage	75V	-	-	50V	50V — Lower voltage rating.

Application & sourcing insights

Questions & answers

There are no direct precision replacements among the candidates. Alternatives like RC0603FR-0734KL are general-purpose resistors that match the package and have a close resistance value, but with much looser tolerance (1% vs 0.1%) and higher TCR.