Is there a pin-compatible replacement for FRC1210F5101TS?

Yes, parts like FOJAN FRC1210J512 TS and Yageo AC1210JR-075K1L are pin-compatible in the 1210 package. However, they are not drop-in replacements as their resistance tolerance is looser (5% vs 1%).

What risks should I check before replacing FRC1210F5101TS?

The main risk is the change in resistance tolerance from ±1% to ±5%. You must verify if your circuit's accuracy depends on a 1% resistor. Also check the Temperature Coefficient of Resistance (TCR) of any replacement.

FRC1210F5101TS Alternatives, Datasheet & Cross Reference | FOJAN

Find and compare substitutes for the FOJAN FRC1210F5101TS, a 5.1kΩ, 1% tolerance, 0.5W chip resistor in a 1210 package. Alternatives require review due to parametric differences like tolerance.

AI replacement insight

Electrical riskmedium

Tolerance change from 1% to 5% requires circuit analysis.

Package risklow

Multiple candidates match the 1210 package.

Can it be replaced directly?

No direct drop-in replacements with identical key parameters were found. All suitable candidates have a weaker resistance tolerance (±5% vs ±1%).

Best replacement path

Parametric alternatives in the same 1210 package are available, but they typically have a looser resistance tolerance of ±5%.

Main risk

The primary risk is the relaxed resistance tolerance from ±1% to ±5%, which may impact circuit accuracy and performance in precision applications.

Recommended alternatives

AEC-Q200 qualified part with same package and resistance, but weaker tolerance (±5%).

View details

Alternative comparison matrix

Feature / factor	FRC1210F5101TS	AC1210JR-075K1L	FRC1210J512 TS	1210W2J0512T5E	Compatibility / risk
Package	1210	1210	1210	1210	1210 — Form-factor match.; FRC1210J512 TS: Form-factor match.; 1210W2J0512T5E: Form-factor match.
Resistance	5.1 kΩ	5.1 kΩ	5.1 kΩ	5.1 kΩ	5.1 kΩ — matched; FRC1210J512 TS: matched; 1210W2J0512T5E: matched
Tolerance	±1%	±5%	±5%	±5%	±5% — Significant relaxation from 1%.; FRC1210J512 TS: Significant relaxation from 1%.; 1210W2J0512T5E: Significant relaxation from 1%.
Power	0.5 W	0.5 W	0.5 W	0.5 W	0.5 W — matched; FRC1210J512 TS: matched; 1210W2J0512T5E: matched
Application	Commercial	AEC-Q200	-	-	AEC-Q200 — Automotive grade may be an advantage.
Tcr	±100 ppm/°C	-	±200 ppm/°C	Not specified	±200 ppm/°C / Not specified — Weaker temperature stability.; 1210W2J0512T5E: May be weaker than target's ±100 ppm/°C.

Application & sourcing insights

Questions & answers

Yageo's AC1210JR-075K1L is a strong candidate. It matches the package, resistance, and power, is AEC-Q200 qualified, but has a 5% tolerance. This is suitable for applications that do not require 1% precision.