Is there a pin-compatible replacement for 0603WAF6651T5E?

Yes, many 0603 chip resistors are pin-compatible. However, alternatives like RC0603FR-076K81L (6.81kΩ) have the same package but require review for the resistance difference, as they are not a direct drop-in.

What risks should I check before replacing 0603WAF6651T5E?

The main risk is the difference in resistance. You must verify if your circuit can tolerate the new resistance value (e.g., ±2.4% for a 6.81kΩ replacement). Also confirm power rating (0.1W), tolerance (±1%), and temperature coefficient match your requirements.

0603WAF6651T5E Alternatives, Datasheet & Cross Reference | UNI-ROYAL

Find and compare parametric alternatives for the UNI-ROYAL 0603WAF6651T5E, a 6.65kΩ 1% 0.1W 0603 chip resistor. Review key parameter differences before substitution.

AI replacement insight

Electrical riskmedium

Resistance deviation of ~2.4% may impact circuit behavior.

Package risklow

All suggested alternatives use the same 0603 package.

Can it be replaced directly?

No direct drop-in replacement with the exact 6.65kΩ resistance was found. The closest alternatives have slightly different resistance values and require engineering review.

Best replacement path

Use a 1% 0603 resistor with a resistance value as close as possible to 6.65kΩ, such as 6.81kΩ or 6.49kΩ, after verifying circuit tolerance.

Main risk

The primary risk is the change in resistance, which could affect circuit performance, especially in precision applications like voltage dividers or filter circuits.

Recommended alternatives

A parametric alternative in the same 0603 package with a slightly lower resistance of 6.49kΩ.

View details

Alternative comparison matrix

Feature / factor	0603WAF6651T5E	FRC0603F6491TS	FRC0603F6811TS	RC0603FR-076K81L	Compatibility / risk
Package	0603	0603	0603	0603	0603 — Same package size and pinout.; FRC0603F6811TS: Same package size and pinout.; RC0603FR-076K81L: Same package size and pinout.
Resistance	6.65 kΩ	6.49 kΩ	6.81 kΩ	6.81 kΩ	6.49 kΩ / 6.81 kΩ — Resistance differs by -2.4%. Verify circuit tolerance.; FRC0603F6811TS: Resistance differs by +2.4%. Verify circuit tolerance.; RC0603FR-076K81L: Resistance differs by +2.4%. Verify circuit tolerance.
Power	0.1 W	0.1 W	0.1 W	0.1 W	0.1 W — Power rating matches.; FRC0603F6811TS: Power rating matches.; RC0603FR-076K81L: Power rating matches.
Tolerance	±1%	±1%	±1%	±1%	±1% — Same precision tolerance.; FRC0603F6811TS: Same precision tolerance.; RC0603FR-076K81L: Same precision tolerance.
Tcr	±100 ppm/°C	-	-	±100 ppm/°C	±100 ppm/°C — Temperature coefficient matches.

Application & sourcing insights

Questions & answers

The best alternatives are 0603 size, 1% tolerance, 0.1W resistors with the closest available E96 resistance value, such as 6.81kΩ (e.g., Yageo RC0603FR-076K81L) or 6.49kΩ (e.g., FOJAN FRC0603F6491TS).