Is there a pin-compatible replacement for RT0805BRE079KL?

Yes, several 0805 package resistors are pin-compatible in form factor. However, no identified part is a direct electrical drop-in. Key parameters like resistance, tolerance, and TCR differ and require careful review.

What risks should I check before replacing RT0805BRE079KL?

Verify your circuit's tolerance for changes in resistance value. Critically, assess if a higher tolerance (e.g., ±1% vs ±0.1%), a higher TCR, or a different resistor technology (Thick vs. Thin Film) will impact your circuit's stability and precision.

RT0805BRE079KL Alternatives, Datasheet & Cross Reference | Yageo

Yageo's RT0805BRE079KL is a 9kΩ precision thin-film resistor in an 0805 package. Finding a direct replacement requires matching its ±0.1% tolerance and 50 ppm/°C TCR, while alternatives may offer different performance characteristics.

AI replacement insight

Electrical riskhigh

Substituting with a part that has different resistance, tolerance, or TCR can affect circuit performance.

Package risklow

All reviewed candidates use the same 0805 package, ensuring physical compatibility.

Can it be replaced directly?

No direct, drop-in replacement has been identified. All candidates require engineering review due to differences in resistance, tolerance, or technology.

Best replacement path

The closest option is RT0805BRD078K2L from the same series, but its 8.2kΩ resistance requires design validation. Other options are significant downgrades.

Main risk

The primary risk is substituting a part with wider tolerance (e.g., ±1%) or different technology (Thick Film) in a precision circuit designed for the target's ±0.1% Thin Film performance.

Recommended alternatives

Close parametric match with better TCR, but resistance is 8.2kΩ vs 9kΩ. Requires engineering review.

View details

Alternative comparison matrix

Feature / factor	RT0805BRE079KL	RT0805BRD078K2L	FRC0805F9311TS	FRC0805F9531TS	Compatibility / risk
Package	0805	0805	0805	0805	0805 — Package size matches.; FRC0805F9311TS: Package size matches.; FRC0805F9531TS: Package size matches.
Resistance	9 kΩ	8.2 kΩ	9.31 kΩ	9.53 kΩ	8.2 kΩ / 9.31 kΩ / 9.53 kΩ — Candidate resistance is 8.9% lower.; FRC0805F9311TS: Resistance is 3.4% higher.; FRC0805F9531TS: Resistance is 5.9% higher.
Tolerance	±0.1%	±0.1%	±1%	±1%	±0.1% / ±1% — Precision tolerance matches.; FRC0805F9311TS: Tolerance is 10x worse.; FRC0805F9531TS: Tolerance is 10x worse.
Tcr	50 ppm/°C	25 ppm/°C	±100 ppm/°C	±100 ppm/°C	25 ppm/°C / ±100 ppm/°C — Candidate has better temperature stability.; FRC0805F9311TS: TCR is 2x worse.; FRC0805F9531TS: TCR is 2x worse.
Technology	Thin Film	Thin Film	Thick Film	Thick Film	Thin Film / Thick Film — Resistor technology matches.; FRC0805F9311TS: Different technology (Thick vs Thin Film).; FRC0805F9531TS: Different technology (Thick vs Thin Film).

Application & sourcing insights

Questions & answers

RT0805BRD078K2L is the closest alternative from the same manufacturer, offering better TCR but with an 8.2kΩ resistance that must be verified for your application. Other options are significant performance downgrades.