Is there a pin-compatible replacement for HP122WJ0301T4E?

Yes, RC2512FK-7W300RL is a potential pin-compatible replacement. It shares the same 2512 package and key specifications. However, verification of the land pattern is always recommended.

What risks should I check before replacing HP122WJ0301T4E?

Ensure the replacement has a resistance of 300Ω, a power rating of at least 2W, and the same 2512 package. Alternatives with different resistance values require circuit analysis.

HP122WJ0301T4E Alternatives, Datasheet & Cross Reference | UNI-ROYAL

Reviewing substitutes for the HP122WJ0301T4E, a 300Ω 2W 5% 2512 thick film resistor. Key considerations for replacement are matching resistance, power rating, and package size.

AI replacement insight

Electrical risklow

Low for matched resistance; medium for parametric alternatives.

Package risklow

2512 is a standard SMT package; land pattern should be compatible.

Can it be replaced directly?

Yes, RC2512FK-7W300RL is a potential direct replacement. It matches key electrical and physical parameters, offering an improved tolerance.

Best replacement path

The Yageo RC2512FK-7W300RL is a strong candidate, offering identical resistance and power in the same package, with a tighter ±1% tolerance.

Main risk

The main risk when substituting is using a part with a different resistance value, such as 330Ω, which could alter circuit performance.

Recommended alternatives

Strong alternative with identical resistance, power, and package, plus a tighter tolerance of ±1%.

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Alternative comparison matrix

Feature / factor	HP122WJ0301T4E	RC2512FK-7W300RL	FRP2512J331TS	CRH2512F330RE04Z	Compatibility / risk
Resistance	300Ω	300Ω	330Ω	330Ω	300Ω / 330Ω — Exact match.; FRP2512J331TS: 10% higher resistance.; CRH2512F330RE04Z: 10% higher resistance.
Tolerance	±5%	±1%	±5%	±1%	±1% / ±5% — Tighter tolerance is an upgrade.; FRP2512J331TS: Tolerance matches.; CRH2512F330RE04Z: Tighter tolerance is an upgrade.
Power	2W	2W	2W	2W	2W — Power rating matches.; FRP2512J331TS: Power rating matches.; CRH2512F330RE04Z: Power rating matches.
Package	2512 (6432 Metric)	2512 (6432 Metric)	2512	-	2512 (6432 Metric) — Package size matches.; FRP2512J331TS: Package size matches.
Tcr	Not Specified	±200 ppm/°C	-	±100ppm/℃	±200 ppm/°C / ±100ppm/℃ — TCR is specified, target is unknown.; CRH2512F330RE04Z: Better TCR than typical parts.

Application & sourcing insights

Questions & answers

RC2512FK-7W300RL by Yageo is an excellent alternative, matching the 300Ω resistance, 2W power, and 2512 package, while providing a superior ±1% tolerance.