What risks should I check before replacing RC0805FR-07390RL?

When substituting, primarily check for mismatches in resistance, tolerance, power rating, and Temperature Coefficient (TCR). Also, ensure the package size (0805) is identical. Some alternatives may use different technology (e.g., Thin Film) which can affect performance.

RC0805FR-07390RL Alternatives, Datasheet & Cross Reference | Yageo

Find alternatives for the Yageo RC0805FR-07390RL 390 Ohm 1% 0805 resistor. This guide reviews pin-compatible options and functional alternatives, highlighting key differences in performance and application suitability.

AI replacement insight

Electrical riskmedium

TCR is a common point of failure if not verified. Some alternatives have different resistance or tolerance.

Package risklow

All viable alternatives share the same 0805 package, ensuring form and fit compatibility.

Sourcing risklow

This is a common resistor value with multiple alternative manufacturers available.

Can it be replaced directly?

Direct replacement for RC0805FR-07390RL should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The most direct path is UNI-ROYAL's 0805W8F3900T5E, which matches all key parameters except for an unverified TCR.

Main risk

The primary risk is using a substitute with an unknown or wider Temperature Coefficient (TCR), which can affect circuit stability over temperature.

Recommended alternatives

A potential pin-compatible alternative with matching resistance, tolerance, and power, but requires TCR verification.

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Alternative comparison matrix

Feature / factor	RC0805FR-07390RL	0805W8F3900T5E	0805W8F3600T5E	TR0805B400RP0525Z	Compatibility / risk
Package	0805	0805	-	-	0805 — Package size matches.
Resistance	390Ω	390Ω	-	-	400Ω — Slightly higher resistance (+2.5%).
Tolerance	1%	1%	-	-	1% — Resistance tolerance matches.
Power	0.125W	0.125W	-	-	0.125W — Power rating matches.
Tcr	±100 ppm/°C	Not specified	-	-	Not specified — TCR is a key parameter for precision circuits.
Technology	Thick Film	-	-	Thin Film	Thin Film — Different technology may affect pulse handling or noise.

Application & sourcing insights

Questions & answers

Verified drop-in options for RC0805FR-07390RL 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.