Is there a pin-compatible replacement for FRC0805J390 TS?

Yes, RC0805FR-0739RL from Yageo is a pin-compatible replacement. It shares the same 0805 package and land pattern. As an upgrade, it can be used in most applications without design changes.

What risks should I check before replacing FRC0805J390 TS?

When replacing FRC0805J390 TS, verify the substitute's resistance, power rating, package size (0805), and voltage rating. For parametric alternatives with different resistance values, you must confirm your circuit can tolerate the change.

FRC0805J390 TS Alternatives, Datasheet & Cross Reference | FOJAN

Finding a substitute for the FRC0805J390 TS 39Ω resistor involves matching the 0805 package, 0.125W power rating, and considering tolerance and TCR. Several options exist, from direct upgrades to parametric alternatives.

AI replacement insight

Electrical risklow

Low for upgrades, Medium for parametric alternatives with resistance mismatch.

Package risklow

All suggested alternatives use the same 0805 package.

Sourcing risklow

39 ohm 0805 resistors are a common component available from many vendors.

Can it be replaced directly?

Yes, Yageo RC0805FR-0739RL is a direct replacement for FRC0805J390 TS, matching all critical parameters and improving on others.

Best replacement path

The most reliable replacement path is to use an upgrade part like Yageo RC0805FR-0739RL, which offers improved precision and stability.

Main risk

The main risk is using a part with a different resistance value, which can alter circuit behavior. Always verify the resistance matches or is within your design's tolerance.

Recommended alternatives

A strong alternative from Yageo, offering tighter tolerance (±1%) and better temperature stability (±100 ppm/°C).

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Alternative comparison matrix

Feature / factor	FRC0805J390 TS	RC0805FR-0739RL	FRC0805F36R0TS	Compatibility / risk
Package	0805	0805	0805	0805 — Same package and land pattern.; FRC0805F36R0TS: Same package and land pattern.
Resistance	39.0 Ω	39.0 Ω	36.0 Ω	39.0 Ω / 36.0 Ω — Resistance value is identical.; FRC0805F36R0TS: Resistance differs by -7.7%.
Tolerance	±5.0%	±1.0%	±1.0%	±1.0% — Candidate has tighter tolerance.; FRC0805F36R0TS: Candidate has tighter tolerance.
Tcr	±400 ppm/°C	±100 ppm/°C	±100 ppm/°C	±100 ppm/°C — Candidate is more stable over temperature.; FRC0805F36R0TS: Candidate is more stable.
Power	0.125 W	0.125 W	-	0.125 W — Power rating is identical.

Application & sourcing insights

Questions & answers

Yageo's RC0805FR-0739RL is an excellent alternative. It matches the 39Ω resistance, 0805 package, and power rating, while offering a tighter ±1% tolerance and a more stable ±100 ppm/°C TCR, making it a direct upgrade.