ProjectsPricingInsights

Best Alternatives to RS-03K5231FT

Package: 0603Guangdong Fenghua Advanced Technology Holding Co., Ltd.Specialized ResistorsResistance: 5.23kΩPower Rating: 100mWTolerance: ±1%Temperature Coefficient: ±100ppm/℃

RS-03K5231FT is a general-purpose 5.23kΩ, 1%, 0.1W thick film resistor in a standard 0603 package. Several pin-compatible and functional alternatives are available from various manufacturers.

AI replacement insight

Electrical risklow

Low risk if key parameters (resistance, power, tolerance) are matched. Medium risk if technology changes.

Package risklow

Low risk as 0603 is a standard package. All suggested alternatives match the package.

Sourcing risklow

Multiple manufacturers produce compatible parts, reducing sourcing risk.

Can it be replaced directly?

Yes, Yageo RC0603FR-075K23L and FOJAN FRC0603F5231TS are pin-compatible replacements with matching electrical characteristics and 0603 package.

Best replacement path

For a direct replacement, consider Yageo RC0603FR-075K23L, which matches all key specifications including resistance, tolerance, power, and package.

Main risk

The main risk when substituting is using a part with a different resistance value or technology (thin vs. thick film), which requires circuit validation.

Recommended alternatives

5
FRC0603F5231TS package
FRC0603F5231TS

FOJAN

Needs validationlow risk

A pin-compatible alternative from FOJAN with matching key electrical parameters and package.

View details

Alternative comparison matrix

Feature / factorRS-03K5231FTFRC0603F5231TSRC0603FR-075K23LAC0603FR-075K23LCompatibility / risk
Package06030603060306030603 — Same EIA package size.; RC0603FR-075K23L: Same EIA package size.; AC0603FR-075K23L: Same EIA package size.; RT0603BRD075K23L: Same EIA package size.
Resistance5.23 kΩ5.23 kΩ5.23 kΩ5.23 kΩ5.23 kΩ — Resistance value is identical.; RC0603FR-075K23L: Resistance value is identical.; AC0603FR-075K23L: Resistance value is identical.
Tolerance±1%±1%±1%-±1% / ±0.1% — Tolerance is identical.; RC0603FR-075K23L: Tolerance is identical.; RT0603BRD075K23L: Tighter tolerance provides higher precision.
Power0.1 W0.1 W0.1 W-0.1 W — Power rating is identical.; RC0603FR-075K23L: Power rating is identical.
Tcr±100 ppm/°C-±100 ppm/°C-±100 ppm/°C / 25 ppm/°C — Temperature coefficient is identical.; RT0603BRD075K23L: Lower TCR provides better stability over temperature.
ApplicationGeneral Purpose--AEC-Q200AEC-Q200 — Candidate is automotive grade, an upgrade over the general purpose target.
TechnologyThick Film---Thin Film — Technology differs; may affect pulse handling or noise performance.

Application & sourcing insights

Questions & answers

Yageo's RC0603FR-075K23L is an excellent alternative, offering identical resistance (5.23kΩ), tolerance (±1%), power rating (0.1W), and 0603 package for a direct, pin-compatible replacement.