Is there a pin-compatible replacement for AC0603FR-075R1L?

Several 0603 package resistors are form-fit compatible, but none are verified as direct pin-to-pin replacements due to parametric differences and a critical lack of AEC-Q200 qualification.

What risks should I check before replacing AC0603FR-075R1L?

The main risks are the lack of AEC-Q200 automotive qualification and parametric differences in resistance value and temperature coefficient (TCR). Always verify performance in-circuit.

AC0603FR-075R1L Alternatives, Datasheet & Cross Reference | Yageo

Find and compare alternatives for the Yageo AC0603FR-075R1L, a 5.1Ω 1% 0.1W 0603 automotive-grade resistor. Review parametric differences before selection.

AI replacement insight

Electrical riskmedium

Candidates may have different resistance or TCR values.

Application riskhigh

Using a non-automotive grade part in an automotive application is a critical risk.

Package risklow

All candidates share the same 0603 package.

Can it be replaced directly?

No direct drop-in replacement has been identified. All reviewed candidates lack the target's AEC-Q200 qualification and may have different electrical parameters.

Best replacement path

For non-automotive use, consider 1% 0603 resistors near 5.1Ω like FRC0603F4R99TS. For automotive use, search for other AEC-Q200 qualified parts.

Main risk

The primary risk is the lack of AEC-Q200 qualification, making candidates unsuitable for automotive applications without extensive testing.

Recommended alternatives

A close parametric match with same tolerance and TCR, but different resistance and not automotive grade.

View details

Alternative comparison matrix

Feature / factor	AC0603FR-075R1L	FRC0603F4R99TS	RC0603FR-074R99L	Compatibility / risk
Package	0603	0603	0603	0603 — Same package and pin count.; RC0603FR-074R99L: Same package and pin count.
Resistance	5.1Ω	4.99Ω	4.99Ω	4.99Ω — Close value, but tolerance bands do not overlap.; RC0603FR-074R99L: Close value, but tolerance bands do not overlap.
Tolerance	±1%	±1%	-	±1% — Tolerance matches.
Tcr	±100 ppm/°C	±100 ppm/°C	±200 ppm/°C	±100 ppm/°C / ±200 ppm/°C — Temperature coefficient matches.; RC0603FR-074R99L: TCR is weaker than target.
Application	AEC-Q200 Automotive	General Purpose	General Purpose	General Purpose — Candidate is not AEC-Q200 qualified.; RC0603FR-074R99L: Candidate is not AEC-Q200 qualified.

Application & sourcing insights

Questions & answers

For non-automotive applications, FRC0603F4R99TS is a close parametric match, but has a slightly different resistance of 4.99Ω. For automotive use, an AEC-Q200 qualified part is required.