Is there a pin-compatible replacement for RS-05K1801FT?

Yes, FRC0805F1801TS is a pin-compatible replacement for RS-05K1801FT. It matches the 0805 package, 1.8kΩ resistance, ±1% tolerance, and 0.125W power rating.

What risks should I check before replacing RS-05K1801FT?

Before replacing RS-05K1801FT, verify the substitute's tolerance and temperature coefficient (TCR). Using a part with a wider tolerance (e.g., ±5%) or higher TCR can affect circuit accuracy and stability. Also, check the resistor technology (Thick vs. Thin Film) if noise or pulse performance is critical.

RS-05K1801FT Alternatives, Datasheet & Cross Reference | Guangdong Fenghua Advanced Technology Holding Co., Ltd.

RS-05K1801FT is a general-purpose 1.8kΩ 1% 0805 chip resistor. Several alternatives are available, including direct pin-compatible replacements and options with different performance characteristics for specific application needs.

AI replacement insight

Package risklow

All candidates use the standard 0805 package, ensuring physical compatibility.

Electrical riskmedium

Risks include using parts with wider tolerance, different TCR, or different technology (Thin Film vs. Thick Film).

Can it be replaced directly?

Yes, FRC0805F1801TS by FOJAN is a direct, pin-compatible replacement for RS-05K1801FT, matching its resistance, tolerance, power rating, and package.

Best replacement path

The best replacement path is FRC0805F1801TS, which is a pin-to-pin match with identical key specifications.

Main risk

The main risk is substituting with a part that has a wider tolerance (e.g., 5%) or a different resistance value without verifying circuit compatibility.

Recommended alternatives

Strong match with identical resistance, tolerance, power, package, and TCR.

View details

Alternative comparison matrix

Feature / factor	RS-05K1801FT	FRC0805F1801TS	ERA6AEB182V	FRC0805J182 TS	Compatibility / risk
Resistance	1.8kΩ	1.8kΩ	-	-	1.8kΩ — Resistance matches.
Tolerance	±1%	±1%	±0.1%	±5%	±1% / ±0.1% / ±5% — Tolerance matches.; ERA6AEB182V: Tighter tolerance is an upgrade.; FRC0805J182 TS: Wider tolerance is a downgrade.
Power	0.125W	0.125W	-	-	0.125W — Power rating matches.
Package	0805	0805	0805	0805	0805 — Package size matches.; ERA6AEB182V: Package size matches.; FRC0805J182 TS: Package size matches.
Tcr	±100ppm/℃	±100 ppm/°C	±25 ppm/°C	±400 ppm/°C	±100 ppm/°C / ±25 ppm/°C / ±400 ppm/°C — Temperature coefficient matches.; ERA6AEB182V: Lower TCR provides better stability.; FRC0805J182 TS: Higher TCR is a significant downgrade.
Technology	Thick Film	-	Thin Film	Thick Film	Thin Film / Thick Film — Technology differs; may affect noise or pulse performance.; FRC0805J182 TS: Technology matches.

Application & sourcing insights

Questions & answers

The best alternative to RS-05K1801FT is FRC0805F1801TS. It is a pin-compatible replacement with identical key electrical and physical specifications, offering a low-risk substitution.