Is there a pin-compatible replacement for RT0603BRD0746K4L?

While several 0603 package resistors are physically compatible, no candidate has been verified as a direct pin-to-pin electrical replacement. Alternatives require review due to differences in resistance or precision.

What risks should I check before replacing RT0603BRD0746K4L?

Key risks include: 1) Resistance mismatch affecting circuit calculations. 2) Degraded precision from using a resistor with higher tolerance (e.g., 1% vs 0.1%) or TCR. 3) Different noise/stability characteristics if switching from thin film to thick film technology.

RT0603BRD0746K4L Alternatives, Datasheet & Cross Reference | Yageo

RT0603BRD0746K4L is a high-precision 46.4kΩ thin film resistor in a 0603 package, valued for its tight ±0.1% tolerance and stable 25 ppm/°C TCR. Finding a direct drop-in replacement requires matching these critical specifications.

AI replacement insight

Electrical riskhigh

Using a part with different resistance, tolerance, or TCR can alter circuit behavior, especially in precision applications.

Package risklow

All candidates share the standard 0603 package, ensuring physical compatibility.

Can it be replaced directly?

No direct, drop-in replacement with identical parameters has been identified. The closest options are from the same product family but have different resistance values, requiring circuit validation.

Best replacement path

Consider other Yageo RT series resistors like RT0603BRD0747K5L (47.5kΩ) or RT0603BRD0745K3L (45.3kΩ) if a small resistance change is acceptable.

Main risk

The primary risk is substituting with a part that has a different resistance value or lower precision (worse tolerance/TCR), which can affect circuit performance.

Recommended alternatives

Matches resistance and package but is a significant downgrade in precision, suitable only for non-critical applications.

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Alternative comparison matrix

Feature / factor	RT0603BRD0746K4L	RC0603FR-0746K4L	RT0603BRD0745K3L	RT0603BRD0747K5L	Compatibility / risk
Package	0603	0603	0603	0603	0603 — Standard 0603 package.; RT0603BRD0745K3L: Standard 0603 package.; RT0603BRD0747K5L: Standard 0603 package.
Resistance	46.4 kΩ	46.4 kΩ	45.3 kΩ	47.5 kΩ	46.4 kΩ / 45.3 kΩ / 47.5 kΩ — Resistance value matches.; RT0603BRD0745K3L: Resistance is ~2.4% lower.; RT0603BRD0747K5L: Resistance is ~2.4% higher.
Tolerance	0.1%	1%	0.1%	0.1%	1% / 0.1% — 10x wider tolerance.; RT0603BRD0745K3L: Precision tolerance matches.; RT0603BRD0747K5L: Precision tolerance matches.
Tcr	25 ppm/°C	±100 ppm/°C	25 ppm/°C	25 ppm/°C	±100 ppm/°C / 25 ppm/°C — 4x worse temperature stability.; RT0603BRD0745K3L: Temperature stability matches.; RT0603BRD0747K5L: Temperature stability matches.
Technology	Thin Film	Thick Film	-	Thin Film	Thick Film / Thin Film — Different technology may affect noise and stability.; RT0603BRD0747K5L: Technology matches.

Application & sourcing insights

Questions & answers

The best alternatives are other precision resistors from the same Yageo RT series, such as RT0603BRD0747K5L or RT0603BRD0745K3L, but you must verify if the slight resistance difference is acceptable for your application.