Is there a pin-compatible replacement for FRC0805F3401TS?

Yes, RT0805BRD073K4L shares the same 0805 package, 3.4kΩ resistance, and 0.125W power rating, making it a potential pin-compatible upgrade. However, verification of all electrical parameters for your specific application is always recommended.

What risks should I check before replacing FRC0805F3401TS?

Key risks include resistance deviation for parametric alternatives, and ensuring the power rating is sufficient. While some options match the 0.125W rating, your design may require a larger safety margin. Also, check for any performance differences between thick film and thin film technology if applicable.

FRC0805F3401TS Alternatives, Datasheet & Cross Reference | FOJAN

Searching for a replacement for the FRC0805F3401TS resistor? This 3.4kΩ, 1%, 0.125W, 0805 resistor has several potential alternatives, including an upgrade path and parametric options that require engineering review.

AI replacement insight

Electrical riskmedium

Most candidates have different resistance values. Power rating is not upgraded.

Package risklow

All candidates use the same 0805 package.

Sourcing risklow

Multiple vendors and options are available.

Can it be replaced directly?

RT0805BRD073K4L is a potential direct replacement, but it's a higher-precision thin film part. For a like-for-like thick film part, no exact match was found, but other FRC series resistors are available with different resistance values.

Best replacement path

The best path is to use RT0805BRD073K4L, which is an upgrade in precision (tolerance, TCR) while matching key parameters like resistance, package, and power.

Main risk

The main risk is ensuring the replacement's resistance value is within the circuit's tolerance, as most alternatives have a different resistance. For the exact match, the power rating is equal, not higher, which may reduce the design's safety margin.

Recommended alternatives

An upgrade with identical resistance and package, but much better tolerance and TCR.

View details

Alternative comparison matrix

Feature / factor	FRC0805F3401TS	RT0805BRD073K4L	RT0805BRD073K3L	TC0525B3241T5G	Compatibility / risk
Package	0805	0805	0805	0805	0805 — Identical package ensures form and fit.; RT0805BRD073K3L: Identical package.; TC0525B3241T5G: Identical package.
Resistance	3.4kΩ	3.4kΩ	3.3kΩ	3.24kΩ	3.4kΩ / 3.3kΩ / 3.24kΩ — Exact resistance match.; RT0805BRD073K3L: -2.9% deviation from target. Requires circuit analysis.; TC0525B3241T5G: -4.7% deviation from target. Requires circuit analysis.
Tolerance	1.0%	0.1%	0.1%	0.1%	0.1% — Tighter tolerance provides higher precision.; RT0805BRD073K3L: Tighter tolerance.; TC0525B3241T5G: Tighter tolerance.
Power	0.125W	0.125W	0.125W	0.125W	0.125W — Power rating is identical; verify application safety margin.; RT0805BRD073K3L: Identical power rating.; TC0525B3241T5G: Identical power rating.
Tcr	±100 ppm/°C	25 ppm/°C	-	-	25 ppm/°C — Superior TCR offers better stability over temperature.

Application & sourcing insights

Questions & answers

RT0805BRD073K4L is a strong candidate, offering the same resistance and package with upgraded tolerance (±0.1%) and TCR (25 ppm/°C). It is a thin film resistor, providing higher precision than the original.