Is there a pin-compatible replacement for AC1206FR-073R3L?

Yes, parts like RS-06L3R30FT share the 1206 package. However, it is not a drop-in replacement for automotive applications as it lacks AEC-Q200 qualification and has a different TCR.

What risks should I check before replacing AC1206FR-073R3L?

Key risks include: 1) Lack of AEC-Q200 qualification if used in automotive systems. 2) Weaker Temperature Coefficient (TCR) affecting stability. 3) Wider resistance tolerance if choosing a lower-grade part.

AC1206FR-073R3L Alternatives, Datasheet & Cross Reference | Yageo

Finding a substitute for the AEC-Q200 qualified Yageo AC1206FR-073R3L resistor requires careful review of electrical parameters and automotive-grade qualifications. While several parts match the core 3.3Ω, 0.25W, 1206 specs, key differences exist.

AI replacement insight

Application riskhigh

Using a non-AEC-Q200 part in an automotive design is a major compliance and reliability risk.

Electrical riskmedium

Candidates may have weaker TCR or tolerance, affecting circuit performance and stability.

Package risklow

The 1206 package is standard, ensuring physical compatibility for same-package alternatives.

Can it be replaced directly?

No direct, fully equivalent replacement was found among the candidates. The primary challenge is matching the AEC-Q200 automotive qualification.

Best replacement path

Find another AEC-Q200 qualified resistor from a major brand with identical key parameters.

Main risk

Substituting a commercial-grade part into an automotive application can lead to reliability issues and failure to meet standards.

Recommended alternatives

A commercial-grade alternative with same package, resistance, and power, but lacks automotive qualification.

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Alternative comparison matrix

Feature / factor	AC1206FR-073R3L	RS-06L3R30FT	FRC1206J3R3 TS	Compatibility / risk
Package	1206	1206	1206	1206 — Same package and pinout.; FRC1206J3R3 TS: Same package and pinout.
Resistance	3.3Ω	3.3Ω	3.3Ω	3.3Ω — Resistance value matches.; FRC1206J3R3 TS: Resistance value matches.
Tolerance	±1%	±1%	±5%	±1% / ±5% — Tolerance matches.; FRC1206J3R3 TS: Tolerance is significantly wider.
Power	0.25W	0.25W	-	0.25W — Power rating matches.
Tcr	±200 ppm/°C	±250ppm/℃	±400 ppm/°C	±250ppm/℃ / ±400 ppm/°C — Candidate TCR is slightly worse.; FRC1206J3R3 TS: TCR is significantly worse.
Application	AEC-Q200	Commercial	Commercial	Commercial — Lacks target's AEC-Q200 qualification.; FRC1206J3R3 TS: Lacks target's AEC-Q200 qualification.

Application & sourcing insights

Questions & answers

For automotive use, another AEC-Q200 qualified 1206 resistor with 3.3Ω, ±1% tolerance, and ≥0.25W power is required. For non-automotive use, RS-06L3R30FT is a functional match but lacks qualification.