What risks should I check before replacing FRC0603F1621TS?

When replacing, primarily check the resistance value. Some alternatives have values like 1.65kΩ, which may affect circuit performance. Also consider differences in technology (Thick vs. Thin Film) and temperature coefficient (TCR) for precision applications.

FRC0603F1621TS Alternatives, Datasheet & Cross Reference | FOJAN

Find pin-compatible and parametric alternatives for the FOJAN FRC0603F1621TS resistor. This page analyzes substitutes for the 1.62kΩ, 1%, 0.1W, 0603 thick film resistor, highlighting key differences.

AI replacement insight

Electrical riskmedium

Some candidates have different resistance values or technology (thin film vs thick film), requiring circuit analysis.

Package risklow

All presented candidates use the same 0603 package, ensuring physical compatibility.

Sourcing risklow

These are common resistor values from multiple large manufacturers like Yageo and UNI ROYAL.

Can it be replaced directly?

Direct replacement for FRC0603F1621TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The most direct replacement is 0603WAF1621T5E, which matches all critical parameters. For an upgrade in precision, consider thin film options, but be aware of slight resistance differences.

Main risk

The main risk is using a substitute with a different nominal resistance value (e.g., 1.65kΩ instead of 1.62kΩ), which can alter circuit behavior and may require analysis.

Recommended alternatives

A pin-to-pin substitute with identical key electrical and physical specifications.

View details

Alternative comparison matrix

Feature / factor	FRC0603F1621TS	0603WAF1621T5E	RC0603FR-071K65L	RT0603BRD071K65L	Compatibility / risk
Resistance	1.62 kΩ	1.62 kΩ	1.65 kΩ	1.65 kΩ	1.62 kΩ / 1.65 kΩ — Exact match.; RC0603FR-071K65L: 1.85% deviation from target.; RT0603BRD071K65L: 1.85% deviation from target.
Tolerance	±1%	±1%	±1%	±0.1%	±1% / ±0.1% — Exact match.; RC0603FR-071K65L: Exact match.; RT0603BRD071K65L: Tighter tolerance.
Power	0.1 W	0.1 W	-	-	0.1 W — Exact match.
Tcr	±100 ppm/°C	±100 ppm/°C	-	25 ppm/°C	±100 ppm/°C / 25 ppm/°C — Exact match.; RT0603BRD071K65L: Improved temperature stability.
Package	0603	0603	0603	0603	0603 — Exact match.; RC0603FR-071K65L: Exact match.; RT0603BRD071K65L: Exact match.
Technology	Thick Film	-	Thick Film	Thin Film	Thick Film / Thin Film — Exact match.; RT0603BRD071K65L: Different technology, often higher performance.

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0603F1621TS 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.