Is there a pin-compatible replacement for RT0603BRD073K57L?

Several 0603 package resistors exist, making them physically compatible. However, no electrically equivalent pin-compatible replacements were identified. All candidates have significantly lower precision.

What risks should I check before replacing RT0603BRD073K57L?

Key risks are changes in circuit accuracy and stability. You must verify if your application can tolerate a wider resistance tolerance (e.g., ±1% vs ±0.1%) and higher temperature drift (e.g., 100ppm/°C vs 25ppm/°C).

RT0603BRD073K57L Alternatives, Datasheet & Cross Reference | Yageo

RT0603BRD073K57L is a high-precision 3.57kΩ thin-film resistor. Finding a direct replacement requires matching its tight ±0.1% tolerance and 25ppm/°C TCR, which are critical for sensitive applications.

AI replacement insight

Electrical riskhigh

Significant downgrade in tolerance and TCR.

Package risklow

All candidates share the same 0603 package.

Can it be replaced directly?

No direct drop-in replacements were found. Available alternatives are lower-precision thick-film resistors that require careful engineering review for any precision application.

Best replacement path

Search for thin-film 0603 resistors with 3.57kΩ resistance, ≤±0.1% tolerance, and ≤25ppm/°C TCR from manufacturers like Vishay, Susumu, or other Yageo precision series.

Main risk

The primary risk is performance degradation due to lower precision (tolerance and TCR) and different resistor technology (thick vs. thin film), impacting circuit accuracy and stability.

Recommended alternatives

A 0603 resistor with closer resistance (3.4kΩ), but lower precision (±1% tolerance, ±100ppm/°C TCR).

View details

Alternative comparison matrix

Feature / factor	RT0603BRD073K57L	RC0603FR-073K4L	AC0603FR-073K9L	Compatibility / risk
Package	0603 (1608 metric)	0603 (1608 metric)	0603	0603 (1608 metric) — Package size matches.; AC0603FR-073K9L: Package size matches.
Resistance	3.57 kΩ	3.4 kΩ	3.9 kΩ	3.4 kΩ / 3.9 kΩ — Resistance is ~4.7% lower, a closer match.; AC0603FR-073K9L: Resistance is ~9.2% higher.
Tolerance	±0.1%	±1%	±1%	±1% — Tolerance is 10x wider, a significant precision downgrade.; AC0603FR-073K9L: Tolerance is 10x wider, a significant precision downgrade.
Tcr	25 ppm/°C	±100 ppm/°C	±100 ppm/°C	±100 ppm/°C — Temperature coefficient is 4x higher, indicating lower stability.; AC0603FR-073K9L: Temperature coefficient is 4x higher, indicating lower stability.
Technology	Thin Film	Thick Film	Thick Film	Thick Film — Different technology may affect noise and long-term stability.; AC0603FR-073K9L: Different technology may affect noise and long-term stability.

Application & sourcing insights

Questions & answers

The best alternative would be another thin-film 0603 resistor with 3.57kΩ resistance, ±0.1% tolerance, and a TCR of 25ppm/°C or better. No exact matches were found in this review.