What risks should I check before replacing FRC0805F3402TS?

Before replacing FRC0805F3402TS, verify the substitute's resistance value and tolerance. If using a parametric alternative, ensure your circuit can function correctly with the new resistance value. Also, consider if a change in resistor technology (e.g., from Thick Film to Thin Film) is acceptable for your application's noise or pulse-withstanding requirements.

FRC0805F3402TS Alternatives, Datasheet & Cross Reference | FOJAN

FRC0805F3402TS is a general-purpose 34kΩ, 1% tolerance, 1/8W thick film resistor in a standard 0805 package. Several pin-compatible and parametric alternatives are available from various manufacturers.

AI replacement insight

Electrical riskmedium

Risk is low for pin-compatible parts but medium for parametric alternatives due to resistance changes.

Package risklow

All suggested alternatives are in the same 0805 package, ensuring form-fit compatibility.

Can it be replaced directly?

Direct replacement for FRC0805F3402TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Start with Datasheet verified or Strong match candidates for FRC0805F3402TS, then review parametric alternatives for package and electrical fit.

Main risk

The primary risk is substituting with a part that has a different resistance value without verifying the circuit's tolerance for the deviation. A secondary risk is changing from Thick Film to Thin Film technology without considering potential impacts on pulse handling or noise.

Recommended alternatives

This UNI-ROYAL resistor is a strong pin-compatible match, sharing the same resistance, tolerance, power, and package.

View details

Alternative comparison matrix

Feature / factor	FRC0805F3402TS	0805W8F3402T5E	FRC0805F3482TS	RT0805BRD0733KL	Compatibility / risk
Resistance	34kΩ	34kΩ	34.8kΩ	33kΩ	34kΩ / 34.8kΩ / 33kΩ — Exact match.; FRC0805F3482TS: Slightly higher resistance (+2.35%).; RT0805BRD0733KL: Slightly lower resistance (-2.9%).
Tolerance	±1%	±1%	±1%	±0.1%	±1% / ±0.1% — Exact match.; FRC0805F3482TS: Exact match.; RT0805BRD0733KL: Tighter tolerance is an upgrade.
Power	0.125W	0.125W	0.125W	-	0.125W — Exact match.; FRC0805F3482TS: Exact match.
Package	0805	0805	0805	-	0805 — Form and fit match.; FRC0805F3482TS: Form and fit match.
Technology	Thick Film	Thick Film	-	Thin Film	Thick Film / Thin Film — Same technology.; RT0805BRD0733KL: Different technology may affect noise/pulse performance.
Tcr	±100 ppm/°C	≤ ±100 ppm/°C (from datasheet)	-	25 ppm/°C	≤ ±100 ppm/°C (from datasheet) / 25 ppm/°C — TCR was missing from input data but verified via datasheet.; RT0805BRD0733KL: Better TCR is an upgrade.

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0805F3402TS 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.