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Best Alternatives to FRC0402F2102TS

Package: 0402FOJANChip Resistor - Surface MountResistance: 21 kΩTolerance: ±1%Power Rating: 0.0625 W (1/16 W)Package / Case: 0402 (1005 Metric)Max Working Voltage: 50 V

Find and compare verified replacements for the FRC0402F2102TS, a general-purpose 21kΩ 1% 0402 chip resistor. This page lists pin-compatible, upgrade, and parametric alternatives to help you manage your bill of materials.

AI replacement insight

Package risklow

All recommended alternatives are in the same 0402 package.

Electrical riskmedium

Some candidates have different resistance or unspecified TCR. These parameters must be verified for the application.

Sourcing risklow

Multiple active alternatives from different manufacturers are available.

Can it be replaced directly?

Direct replacement for FRC0402F2102TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

For highest performance, RT0402BRD0721KL is an upgrade. For a direct match, RC-02K2102FT is the strongest candidate.

Main risk

The main risk is using a substitute with a different resistance value without verifying its impact on the circuit's performance.

Recommended alternatives

5
RC-02K2102FT package
RC-02K2102FT

FH (Guangdong Fenghua Advanced Tech)

Needs validationlow risk

Pin-compatible 0402 resistor with identical key electrical specifications, including resistance, tolerance, and TCR.

View details

Alternative comparison matrix

Feature / factorFRC0402F2102TSRC-02K2102FTRT0402BRD0721KLSCR0402F21KCompatibility / risk
Package04020402040204020402 — Matches target package.; RT0402BRD0721KL: Matches target package.; SCR0402F21K: Matches target package.; RC0402FR-0722K6L: Matches target package.
Resistance21kΩ21kΩ21kΩ21kΩ21kΩ / 22.6kΩ — Matches target resistance.; RT0402BRD0721KL: Matches target resistance.; SCR0402F21K: Matches target resistance.; RC0402FR-0722K6L: Resistance is 7.6% higher than target.
Tolerance±1%±1%±0.1%±1%±1% / ±0.1% — Matches target tolerance.; RT0402BRD0721KL: Tighter tolerance than target.; SCR0402F21K: Matches target tolerance.; RC0402FR-0722K6L: Matches target tolerance.
Tcr±100 ppm/°C±100ppm/℃25 ppm/°CNot specified±100ppm/℃ / 25 ppm/°C / Not specified — Matches target TCR.; RT0402BRD0721KL: Better temperature stability than target.; SCR0402F21K: TCR data missing, requires datasheet verification.
TechnologyThick Film-Thin Film-Thin Film — Different technology, often an upgrade.
Power0.0625W--0.0625W0.0625W — Matches target power rating.

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0402F2102TS are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.