What risks should I check before replacing FRC0603F3093TS?

When replacing, verify the substitute's resistance, tolerance, power rating, and Temperature Coefficient (TCR) match your design requirements. Also, ensure the physical package (0603) is identical.

FRC0603F3093TS Alternatives, Datasheet & Cross Reference | FOJAN

Find and compare suitable replacements for the FRC0603F3093TS, a 309kΩ 1% 0.1W 0603 thick film resistor. This guide analyzes pin-compatible and parametric alternatives to ensure your project stays on track.

AI replacement insight

Electrical riskmedium

Using a part with different resistance or technology requires validation.

Package risklow

All suggested candidates use the same 0603 package.

Sourcing risklow

This is a common resistor value and package, with many manufacturers.

Can it be replaced directly?

Direct replacement for FRC0603F3093TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The most direct replacement path is using a part with identical specifications, such as UNI-ROYAL's 0603WAF3093T5E.

Main risk

The main risk is using a parametric alternative with a different resistance value (e.g., 316kΩ or 330kΩ) without verifying its impact on the circuit's performance.

Recommended alternatives

Strong alternative from UNI-ROYAL with identical package, resistance, tolerance, and power rating.

View details

Alternative comparison matrix

Feature / factor	FRC0603F3093TS	0603WAF3093T5E	RC0603FR-07316KL	Compatibility / risk
Package	0603	0603	0603	0603 — Same EIA package size ensures physical compatibility.; RC0603FR-07316KL: Same EIA package size ensures physical compatibility.
Resistance	309kΩ	309kΩ	316kΩ	309kΩ / 316kΩ — Identical resistance value.; RC0603FR-07316KL: Resistance is ~2.3% higher, check circuit tolerance.
Tolerance	±1%	±1%	±1%	±1% — Identical resistance tolerance.; RC0603FR-07316KL: Identical resistance tolerance.
Power	0.1W	0.1W	0.1W	0.1W — Same power rating ensures thermal performance.; RC0603FR-07316KL: Same power rating.
Tcr	±100 ppm/°C	missing	±100 ppm/°C	missing / ±100 ppm/°C — Candidate TCR not in structured data, datasheet review recommended.; RC0603FR-07316KL: Identical temperature coefficient.

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0603F3093TS 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.