What risks should I check before replacing FRC0402J621 TS?

Risks are low. The primary check is to ensure your application does not specifically require the wider ±5% tolerance or higher TCR of the original part, which is uncommon. For substitutes with slightly different nominal resistance, verify your circuit's sensitivity.

FRC0402J621 TS Alternatives, Datasheet & Cross Reference | FOJAN

Find pin-compatible and functional alternatives for the FOJAN FRC0402J621 TS, a 620Ω 5% 0402 chip resistor. This page provides verified substitutes and engineering analysis for a safe replacement.

AI replacement insight

Electrical risklow

Substitutes have matching or better specs. No significant electrical risk.

Package risklow

All candidates share the same 0402 package, ensuring mechanical compatibility.

Can it be replaced directly?

Direct replacement for FRC0402J621 TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Use RC-02K6200FT for a direct, upgraded replacement that matches all key parameters.

Main risk

The main risk is minimal, as the recommended substitutes are either identical or superior in key electrical parameters.

Recommended alternatives

A pin-compatible 620Ω resistor in the same 0402 package, with improved tolerance (±1%) and TCR (±100ppm/℃).

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Alternative comparison matrix

Feature / factor	FRC0402J621 TS	RC-02K6200FT	0402WGF6040TCE	Compatibility / risk
Package	0402	0402	0402	0402 — Identical package ensures form and fit.; 0402WGF6040TCE: Identical package ensures form and fit.
Resistance	620Ω	620Ω	604Ω	620Ω / 604Ω — Nominal resistance is identical.; 0402WGF6040TCE: Difference is within target's ±5% tolerance band.
Tolerance	±5%	±1%	±1%	±1% — Tighter tolerance is a safe upgrade.; 0402WGF6040TCE: Tighter tolerance is a safe upgrade.
Tcr	±400 ppm/°C	±100ppm/℃	-	±100ppm/℃ — Improved temperature stability.
Power	1/16W	1/16W	1/16W	1/16W — Power rating matches.; 0402WGF6040TCE: Power rating matches.

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0402J621 TS 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.