Is there a pin-compatible replacement for FRC0402F3902TS?

Yes, Yageo AC0402FR-0739KL is a pin-compatible replacement. It has the same 0402 package, 39kΩ resistance, ±1% tolerance, and ±100 ppm/°C TCR.

What risks should I check before replacing FRC0402F3902TS?

Before replacing, verify that any parametric differences are acceptable. Check the resistance value if using a parametric alternative. If choosing a Thin Film resistor, confirm it meets the application's pulse handling requirements.

FRC0402F3902TS Alternatives, Datasheet & Cross Reference | FOJAN

FRC0402F3902TS is a general-purpose 39kΩ 1% 1/16W resistor in a 0402 package. Several pin-compatible and parametric alternatives are available from manufacturers like Yageo, including automotive-grade and high-precision options.

AI replacement insight

Electrical risklow

Most candidates match or exceed key electrical specs. The primary risk is from those with different resistance values.

Package risklow

All candidates share the same 0402 package, ensuring form and fit compatibility.

Can it be replaced directly?

Yes, Yageo's AC0402FR-0739KL is a strong pin-compatible replacement with matching electrical characteristics and the added benefit of AEC-Q200 qualification.

Best replacement path

Use Yageo AC0402FR-0739KL as a direct replacement with an AEC-Q200 upgrade, or RT0402BRD0739KL for a high-precision upgrade if Thin Film technology is acceptable.

Main risk

The main risk when substituting is using a part with a different resistance value. Several candidates have slightly different resistance; these require circuit analysis to ensure they are acceptable.

Recommended alternatives

AEC-Q200 qualified 39kΩ 1% 1/16W 0402 resistor, a strong pin-compatible alternative.

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Alternative comparison matrix

Feature / factor	FRC0402F3902TS	AC0402FR-0739KL	RT0402BRD0739KL	FRC0402F3922TS	Compatibility / risk
Package	0402	0402	0402	0402	0402 — Same package size and pin count.; RT0402BRD0739KL: Same package size and pin count.; FRC0402F3922TS: Same package size.
Resistance	39 kΩ	39 kΩ	39 kΩ	39.2 kΩ	39 kΩ / 39.2 kΩ — Resistance value matches.; RT0402BRD0739KL: Resistance value matches.; FRC0402F3922TS: Resistance differs by +0.5%. Requires circuit validation.
Tolerance	±1%	±1%	±0.1%	±1%	±1% / ±0.1% — Tolerance matches.; RT0402BRD0739KL: Tighter tolerance provides higher precision.; FRC0402F3922TS: Tolerance matches.
Tcr	±100 ppm/°C	±100 ppm/°C	25 ppm/°C	-	±100 ppm/°C / 25 ppm/°C — Temperature coefficient matches.; RT0402BRD0739KL: Lower TCR provides better stability over temperature.
Application	Standard	AEC-Q200	-	-	AEC-Q200 — Candidate is AEC-Q200 qualified for automotive use.
Technology	Thick Film	-	Thin Film	-	Thin Film — Different resistor technology. May affect noise or pulse handling.

Application & sourcing insights

Questions & answers

The best alternative is AC0402FR-0739KL from Yageo. It matches all key specs and is AEC-Q200 qualified, making it a robust, pin-compatible upgrade.