Is there a pin-compatible replacement for RC0402FR-079K1L?

No pin-compatible replacements were identified that meet the required power derating safety margin. All same-package candidates had insufficient power ratings or different resistance values.

What risks should I check before replacing RC0402FR-079K1L?

Key risks are package size mismatch (0402 vs 0603), which requires a board change, and ensuring the substitute's power rating meets or exceeds 0.094W (1.5x target).

RC0402FR-079K1L Alternatives, Datasheet & Cross Reference | Yageo

RC0402FR-079K1L is a common 9.1kΩ 1% 0402 chip resistor from Yageo. Finding a substitute requires careful checking of package size, power rating, and resistance.

AI replacement insight

Package riskhigh

Alternates are in a larger 0603 package, requiring PCB layout changes.

Electrical risklow

Key electrical parameters like resistance and tolerance match on suggested alternates.

Sourcing risklow

Suggested alternates are from active production lines.

Can it be replaced directly?

No, a direct, verified pin-to-pin replacement for RC0402FR-079K1L is not available in this list. All candidates either have a different package, fail power requirements, or are discontinued.

Best replacement path

No direct pin-to-pin replacements were found meeting power rules. Functional alternates in a larger 0603 package are available but require a board change.

Main risk

The primary risk is package incompatibility, as suitable electrical alternates are in a larger 0603 size, requiring a board redesign.

Recommended alternatives

Functional alternate with same resistance but larger 0603 package and higher power rating.

View details

Alternative comparison matrix

Feature / factor	RC0402FR-079K1L	FRC0603F9101TS	0603WAF9101T5E	Compatibility / risk
Package	0402	0603	-	0603 — Larger package requires PCB redesign.
Power	0.0625W	0.1W	-	0.1W — Higher power rating is an upgrade.
Resistance	9.1kΩ	9.1kΩ	-	9.1kΩ — matched
Tolerance	±1%	±1%	-	±1% — matched
Lifecycle	Active	Active	-	Active — matched
Tcr	±100 ppm/°C	-	Missing	Missing — TCR not found in structured data, verify from datasheet.

Application & sourcing insights

Questions & answers

No direct drop-in replacement was found. Functional alternatives like FRC0603F9101TS exist but use a larger 0603 package, requiring a PCB layout change.