Is there a pin-compatible replacement for 25121WJ0202T4E?

Yes, several pin-compatible replacements exist. For example, 25121WF2001T4E from the same manufacturer offers a tighter 1% tolerance. Always verify datasheet parameters before substitution.

What risks should I check before replacing 25121WJ0202T4E?

Key risks include differences in tolerance, power rating, and temperature coefficient (TCR). Ensure the replacement's parameters meet or exceed your application's requirements.

25121WJ0202T4E Alternatives, Datasheet & Cross Reference | UNI-ROYAL

Find verified substitutes for the UNI-ROYAL 25121WJ0202T4E, a 2kΩ, 1W, 5% tolerance thick film resistor in a 2512 package. Explore pin-compatible upgrades and parametric alternatives.

AI replacement insight

Electrical risklow

Key parameters are well-matched or improved on top candidates.

Package risklow

All recommended alternatives use the same 2512 package.

Sourcing risklow

Multiple viable alternatives exist from major manufacturers.

Can it be replaced directly?

Yes, direct replacements are available. The Yageo AC2512FK-072KL is a strong candidate, matching the 2kΩ resistance, 1W power, and 2512 package, while offering improved tolerance.

Best replacement path

Upgrade to a 1% tolerance part like Yageo's AC2512FK-072KL for better precision and AEC-Q200 qualification.

Main risk

The main risk is using a part with different secondary characteristics like temperature coefficient (TCR) or pulse handling capability, which may affect circuit performance.

Recommended alternatives

An upgrade from the same manufacturer (UNI-ROYAL) with tighter ±1% tolerance in the same 2512 package.

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Alternative comparison matrix

Feature / factor	25121WJ0202T4E	25121WF2001T4E	AC2512FK-072KL	HoCR2512-2W-2KR-5%	Compatibility / risk
Package	2512	2512	2512	2512	2512 — Matches target package.; AC2512FK-072KL: Matches target package.; HoCR2512-2W-2KR-5%: Matches target package.
Resistance	2 kΩ	2 kΩ	2 kΩ	-	2 kΩ — Matches target resistance.; AC2512FK-072KL: Matches target resistance.
Tolerance	±5%	±1%	±1%	±5%	±1% / ±5% — Tighter tolerance version from the same manufacturer.; AC2512FK-072KL: Tighter tolerance provides higher precision.; HoCR2512-2W-2KR-5%: Matches target tolerance.
Power	1 W	1 W	1 W	2 W	1 W / 2 W — Matches target power rating.; AC2512FK-072KL: Matches target power rating.; HoCR2512-2W-2KR-5%: Higher power rating provides more design margin.
Application	Commercial	-	AEC-Q200	-	AEC-Q200 — Automotive qualification is an upgrade.
Technology	Thick Film	-	-	Ceramic	Ceramic — Technology differs, may affect pulse handling.

Application & sourcing insights

Questions & answers

The Yageo AC2512FK-072KL is an excellent upgrade, offering a tighter ±1% tolerance and AEC-Q200 qualification in the same 2512 package.