Is there a pin-compatible replacement for RT0805BRD073KL?

No verified pin-compatible replacement matches the high precision of RT0805BRD073KL. The part RC0805FR-073KL shares the same 0805 package and 3kΩ resistance, but it is a thick-film resistor with much lower performance (±1% tolerance, ±100 ppm/°C TCR) and should not be considered a drop-in replacement for precision circuits.

What risks should I check before replacing RT0805BRD073KL?

When replacing RT0805BRD073KL, check three main risks: 1) Electrical Risk: Ensure the substitute's tolerance (e.g., ±1% vs ±0.1%) and temperature coefficient (TCR) are acceptable for your circuit's accuracy. 2) Package Risk: Verify the substitute's package (e.g., 0603 vs 0805) fits your PCB layout. 3) Power Risk: Confirm the substitute's power rating (e.g., 1/10W vs 1/8W) is sufficient.

RT0805BRD073KL Alternatives, Datasheet & Cross Reference | Yageo

RT0805BRD073KL is a high-precision 3 kΩ thin-film resistor in an 0805 package, valued for its ±0.1% tolerance and low 25 ppm/°C TCR. Finding a direct replacement requires matching these critical precision specifications.

AI replacement insight

Electrical riskhigh

Using a thick-film substitute degrades precision.

Package riskmedium

Functional alternates may require PCB layout changes.

Can it be replaced directly?

No direct, drop-in replacement matching all precision specs has been identified. RC0805FR-073KL is a same-package downgrade.

Best replacement path

If layout can change, RT0603BRD073KL offers similar precision. If not, RC0805FR-073KL is a form-fit downgrade requiring performance validation.

Main risk

The main risk is sacrificing circuit precision by using a substitute with higher tolerance and TCR.

Recommended alternatives

A high-precision alternative with similar electricals but in a smaller 0603 package and lower power rating.

View details

Alternative comparison matrix

Feature / factor	RT0805BRD073KL	RT0603BRD073KL	RC0805FR-073KL	Compatibility / risk
Package	0805	0603	0805	0603 / 0805 — Smaller package requires layout change.; RC0805FR-073KL: Same package and pinout.
Power	1/8 W	1/10 W	-	1/10 W — Lower power rating, check dissipation.
Tolerance	±0.1%	±0.1%	±1%	±0.1% / ±1% — Precision matches target.; RC0805FR-073KL: Significantly worse precision.
Tcr	25 ppm/°C	25 ppm/°C	±100 ppm/°C	25 ppm/°C / ±100 ppm/°C — Temperature stability matches.; RC0805FR-073KL: Lower temperature stability.
Technology	Thin Film	Thin Film	Thick Film	Thin Film / Thick Film — Technology matches.; RC0805FR-073KL: General purpose vs. precision technology.
Resistance	3 kΩ	-	3 kΩ	3 kΩ — Resistance value matches.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. If you can change your PCB layout, RT0603BRD073KL offers the same electrical precision in a smaller package. If you need the same 0805 package, RC0805FR-073KL is an option, but it is a lower-precision part that requires careful circuit validation.