Is there a pin-compatible replacement for 0603WAJ0621T5E?

Yes, several candidates like FRC0603F6200TS share the same 0603 package and 2-pin layout. While they are form-fit compatible, electrical parameters like tolerance and power margin differ, so they are not guaranteed drop-in replacements without review.

What risks should I check before replacing 0603WAJ0621T5E?

Key risks include: 1) Power Rating: Ensure the candidate's 0.1W rating is sufficient, as no safety margin is provided. 2) Tolerance: Some alternatives have a tighter ±1% tolerance, which could affect timing or filter circuits. 3) Resistance Value: For parametric alternatives, verify the different resistance value is acceptable.

0603WAJ0621T5E Alternatives, Datasheet & Cross Reference | UNI-ROYAL

Find and compare substitutes for the UNI-ROYAL 0603WAJ0621T5E, a 620Ω, 5%, 0.1W, 0603 thick film resistor. Alternatives with matching form factor and tighter tolerance are available but require engineering review.

AI replacement insight

Electrical riskmedium

Candidates lack power margin and some have different resistance or tolerance.

Package risklow

All reviewed candidates use the same 0603 package.

Sourcing risklow

Alternatives are from common manufacturers like FOJAN and Yageo.

Can it be replaced directly?

No guaranteed direct drop-in replacement has been identified. While several parts are form-fit compatible, they have different tolerances or lack a recommended power safety margin, requiring engineering validation.

Best replacement path

Use a candidate with matching 620Ω resistance and upgraded ±1% tolerance, such as FRC0603F6200TS, after verifying the 0.1W power rating is sufficient for the application.

Main risk

The primary risk is the lack of power rating margin, as all candidates match the target's 0.1W rating without the recommended safety factor.

Recommended alternatives

A form-fit compatible 620Ω resistor with an upgraded ±1% tolerance, requiring review of power and tolerance specs.

View details

Alternative comparison matrix

Feature / factor	0603WAJ0621T5E	FRC0603F6200TS	RS-03K6200FT	RC0603FR-07604RL	Compatibility / risk
Resistance	620 Ω	620 Ω	620 Ω	604 Ω	620 Ω / 604 Ω — Exact match.; RS-03K6200FT: Exact match.; RC0603FR-07604RL: 2.6% lower than target, but within target's ±5% tolerance band.
Tolerance	±5%	±1%	±1%	±1%	±1% — Tighter tolerance may affect some analog circuits.; RS-03K6200FT: Tighter tolerance may affect some analog circuits.; RC0603FR-07604RL: Tighter tolerance.
Power	0.1 W	0.1 W	0.1 W	0.1 W	0.1 W — Matches target, but offers no safety margin per eng. rules.; RS-03K6200FT: Matches target, but offers no safety margin per eng. rules.; RC0603FR-07604RL: Matches target, but offers no safety margin.
Package	0603	0603	0603	0603	0603 — Same package size.; RS-03K6200FT: Same package size.; RC0603FR-07604RL: Same package size.
Tcr	Not specified	±100 ppm/°C	-	-	±100 ppm/°C — Likely an improvement over the general-purpose target.

Application & sourcing insights

Questions & answers

FOJAN FRC0603F6200TS and FH RS-03K6200FT are strong candidates with identical resistance and package, plus a tighter ±1% tolerance. However, they lack a power rating safety margin, which should be verified for your application.