Is there a pin-compatible replacement for RC-02K1801FT?

Yes, FRC0402F1801TS is a pin-compatible replacement. It matches the 0402 package, 2-pin layout, and all critical electrical parameters of the original part.

What risks should I check before replacing RC-02K1801FT?

When substituting, verify the replacement's tolerance (target is ±1%), TCR (±100ppm/°C), and power rating (1/16W). Also ensure the manufacturer's datasheet confirms dimensions and pad layout.

RC-02K1801FT Alternatives, Datasheet & Cross Reference | Guangdong Fenghua Advanced Technology Holding Co., Ltd.

RC-02K1801FT is a common 1.8kΩ, 1% tolerance, 0402 thick film chip resistor from Fenghua. Several alternatives exist, including direct pin-compatible options and others with minor parametric differences.

AI replacement insight

Electrical risklow

Low for pin-compatible parts. Medium for parts with different tolerance or resistance; requires circuit analysis.

Package risklow

Low, as all viable candidates use the standard 0402 package.

Sourcing risklow

Low, as 1.8kΩ 1% 0402 resistors are a high-volume commodity part available from many manufacturers.

Can it be replaced directly?

Yes, FRC0402F1801TS from FOJAN is a direct, pin-compatible replacement for RC-02K1801FT.

Best replacement path

The most direct replacement path is to use FRC0402F1801TS, which is a pin-to-pin match.

Main risk

The main risk involves using alternatives with relaxed parameters, such as wider tolerance (e.g., ±5%) or a different resistance value, which could affect circuit performance.

Recommended alternatives

A strong pin-to-pin alternative from FOJAN with matching resistance, tolerance, power, and package.

View details

Alternative comparison matrix

Feature / factor	RC-02K1801FT	FRC0402F1801TS	WR04X182JTL	FRC0402F1821TS	Compatibility / risk
Resistance	1.8kΩ	1.8kΩ	1.8kΩ	1.82kΩ	1.8kΩ / 1.82kΩ — Values are identical.; WR04X182JTL: Resistance value matches.; FRC0402F1821TS: Resistance is 1.1% higher than target.
Tolerance	±1%	±1%	±5%	±1%	±1% / ±5% — Precision matches target.; WR04X182JTL: Wider tolerance may not be suitable for precision circuits.; FRC0402F1821TS: Precision matches target.
Power	1/16W	1/16W	1/16W	-	1/16W — Power rating is identical.; WR04X182JTL: Power rating is identical.
Tcr	±100ppm/℃	±100 ppm/°C	Not specified	±100 ppm/°C	±100 ppm/°C / Not specified — Temperature coefficient matches.; WR04X182JTL: TCR data missing, assume general purpose.; FRC0402F1821TS: Temperature coefficient matches.
Package	0402	0402	0402	0402	0402 — Package size is identical.; WR04X182JTL: Package size is identical.; FRC0402F1821TS: Package size is identical.

Application & sourcing insights

Questions & answers

FRC0402F1801TS by FOJAN is an excellent alternative, offering identical key specifications including 1.8kΩ resistance, ±1% tolerance, 1/16W power rating, and 0402 package.