Is there a pin-compatible replacement for FRC0805J515 TS?

Yes, several pin-compatible replacements in the same 0805 package exist, such as RC0805FR-074M7L and FRC0805F4704TS. However, their electrical parameters like resistance differ, so they are not drop-in replacements without review.

What risks should I check before replacing FRC0805J515 TS?

Key risks include the resistance difference (4.7MΩ vs. 5.1MΩ), which may affect circuit timing or biasing. Also, substitutes may have different temperature coefficients (TCR) or lack the same power derating safety margin, requiring careful analysis.

FRC0805J515 TS Alternatives, Datasheet & Cross Reference | FOJAN

FRC0805J515 TS is a 5.1MΩ, 5% tolerance, 0.125W thick film resistor in an 0805 package. Parametric alternatives with a 4.7MΩ resistance are available but require careful engineering review of resistance deviation and power rating.

AI replacement insight

Electrical riskmedium

Resistance deviation and lack of power safety margin require circuit analysis.

Package risklow

All candidates match the 0805 package, ensuring physical compatibility.

Can it be replaced directly?

No direct drop-in replacement was found. All suitable candidates have a lower resistance value of 4.7MΩ, requiring engineering review.

Best replacement path

Parametric alternatives with 4.7MΩ resistance are available but require circuit validation due to the ~8% resistance shift and lack of power rating margin.

Main risk

The primary risk is the ~8% lower resistance value, which could alter the circuit's behavior, such as timing or bias points.

Recommended alternatives

Parametric alternative with tighter tolerance but ~8% lower resistance. Power rating requires review.

View details

Alternative comparison matrix

Feature / factor	FRC0805J515 TS	FRC0805F4704TS	FRC0805J475TS	RC0805FR-074M7L	Compatibility / risk
Package	0805	0805	0805	0805	0805 — Package size matches.; FRC0805J475TS: Package size matches.; RC0805FR-074M7L: Package size matches.
Resistance	5.1 MΩ	4.7 MΩ	4.7 MΩ	4.7 MΩ	4.7 MΩ — Resistance is ~8% lower than target.; FRC0805J475TS: Resistance is ~8% lower than target.; RC0805FR-074M7L: Resistance is ~8% lower than target.
Tolerance	±5%	±1%	±5%	±1%	±1% / ±5% — Tighter tolerance than target.; FRC0805J475TS: Tolerance matches target.; RC0805FR-074M7L: Tighter tolerance than target.
Power	0.125 W	0.125 W	0.125 W	0.125 W	0.125 W — Power rating is identical, no safety margin per ER-RES-003.; FRC0805J475TS: Power rating is identical, no safety margin per ER-RES-003.; RC0805FR-074M7L: Power rating is identical, no safety margin per ER-RES-003.
Tcr	±100 ppm/°C	±100 ppm/°C	±100 ppm/°C	±200 ppm/°C	±100 ppm/°C / ±200 ppm/°C — TCR matches target.; FRC0805J475TS: TCR matches target.; RC0805FR-074M7L: TCR is worse, may affect stability over temperature.

Application & sourcing insights

Questions & answers

The best alternatives are typically those with the closest parameters. Candidates like FRC0805F4704TS offer a tighter tolerance (1%), but all reviewed options have a 4.7MΩ resistance, which is an ~8% deviation. Engineering validation is essential.