What risks should I check before replacing 1206W4F680LT5E?

The primary risk is the change in resistance value, which can affect circuit timing, current sensing accuracy, or filter characteristics. Also, verify the temperature coefficient (TCR) and power handling capabilities match your application's requirements.

1206W4F680LT5E Alternatives, Datasheet & Cross Reference | UNI-ROYAL

Reviewing alternatives for the UNI-ROYAL 1206W4F680LT5E, a 0.68Ω ±1% 0.25W thick film chip resistor in a 1206 package. Key considerations for substitutes are resistance value, tolerance, and power rating.

AI replacement insight

Electrical riskmedium

Resistance change affects circuit behavior, such as current sensing or filter response.

Package risklow

All suggested alternatives are in the same 1206 package.

Can it be replaced directly?

Direct replacement for 1206W4F680LT5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Use a part from the same series with the closest resistance value, like 1206W4F700LT5E.

Main risk

Resistance deviation from the original 0.68Ω value.

Recommended alternatives

Strong alternative from the same manufacturer with a slightly higher resistance of 0.70Ω.

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Alternative comparison matrix

Feature / factor	1206W4F680LT5E	1206W4F700LT5E	1206W4F620LT5E	FRL1206FR620TS	Compatibility / risk
Package	1206	1206	1206	1206	1206 — Form-fit compatible.; 1206W4F620LT5E: matched; FRL1206FR620TS: matched
Resistance	0.68Ω	0.70Ω	0.62Ω	0.62Ω	0.70Ω / 0.62Ω — Slightly higher resistance (+2.9%).; 1206W4F620LT5E: Resistance is ~9% lower.; FRL1206FR620TS: Resistance is ~9% lower.
Tolerance	±1%	±1%	±1%	-	±1% — matched; 1206W4F620LT5E: matched
Power	0.25W	0.25W	0.25W	0.25W	0.25W — No derating required if operating conditions are identical.; 1206W4F620LT5E: matched; FRL1206FR620TS: matched
Tcr	±100 ppm/°C	±100 ppm/°C	±100 ppm/°C	Not specified	±100 ppm/°C / Not specified — matched; 1206W4F620LT5E: matched; FRL1206FR620TS: TCR is a critical parameter for precision applications.

Application & sourcing insights

Questions & answers

Verified drop-in options for 1206W4F680LT5E 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.