What risks should I check before replacing FRC0402F3923TS?

Before replacing, verify that the alternative's resistance value is within your circuit's tolerance. Also, confirm that its power rating (1/16W), temperature coefficient (±100 ppm/°C), and maximum voltage rating (50V) are acceptable for your design.

FRC0402F3923TS Alternatives, Datasheet & Cross Reference | FOJAN

FRC0402F3923TS is a general-purpose 392kΩ, 1% tolerance, 1/16W chip resistor in a 0402 package. Alternatives should match these key parameters, with special attention to the acceptable resistance deviation for the application.

AI replacement insight

Electrical riskmedium

Resistance deviation can affect circuit timing, gain, or biasing. Must be evaluated.

Package risklow

All suggested alternatives are in the same 0402 package, ensuring physical compatibility.

Can it be replaced directly?

Direct replacement for FRC0402F3923TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The best replacement path is to select a 1% tolerance 0402 chip resistor with a resistance value as close to 392kΩ as possible, such as 390kΩ or 402kΩ.

Main risk

The primary risk when substituting this resistor is the change in resistance value, which can impact the performance of sensitive analog circuits like filters, oscillators, or precision voltage dividers.

Recommended alternatives

Excellent alternative from the same manufacturer with a very close resistance value of 390kΩ.

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Alternative comparison matrix

Feature / factor	FRC0402F3923TS	FRC0402F3903TS	FRC0402F4123TS	Compatibility / risk
Resistance	392kΩ	390kΩ	412kΩ	390kΩ / 412kΩ — -0.5% deviation, well within tolerance.; FRC0402F4123TS: +5.1% deviation.
Tolerance	±1%	±1%	±1%	±1% — matched; FRC0402F4123TS: matched
Power	1/16W	1/16W	1/16W	1/16W — Power rating is matched. Application may require higher rating.; FRC0402F4123TS: matched
Tcr	±100 ppm/°C	±100 ppm/°C	-	±100 ppm/°C — matched
Package	0402	0402	0402	0402 — matched; FRC0402F4123TS: matched

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0402F3923TS are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.