Is there a pin-compatible replacement for 25YXJ1000MFFC10X20?

Yes, several candidates like the AISHI ERJ1EM102G20OT match the 10x20mm radial package and 2-pin layout. However, you must verify electrical parameters like ESR and lifetime to ensure it's a true drop-in replacement.

What risks should I check before replacing 25YXJ1000MFFC10X20?

Key risks include using a part with a shorter lifetime, lower ripple current rating, or higher ESR (impedance), which can affect circuit stability and reliability. Also, ensure the physical dimensions (10x20mm) fit your PCB layout.

25YXJ1000MFFC10X20 Alternatives, Datasheet & Cross Reference | rubycon

Reviewing alternatives for the Rubycon 25YXJ1000MFFC10X20, a 1000µF 25V low-impedance aluminum electrolytic capacitor. Key considerations for substitutes include matching the 10x20mm radial package, and verifying lifetime, ripple current, and ESR ratings.

AI replacement insight

Electrical riskmedium

ESR, ripple current, and lifetime are critical and vary between substitutes.

Package risklow

The 10x20mm radial package is common, but some alternatives have different dimensions.

Can it be replaced directly?

Yes, the AISHI ERJ1EM102G20OT is a potential direct replacement, matching the package and key specs while offering performance improvements.

Best replacement path

The AISHI ERJ1EM102G20OT is the best replacement path, offering an upgrade in all key performance metrics.

Main risk

The main risk is substituting with a capacitor that has a shorter operational life or higher ESR, which could compromise the performance and longevity of the application.

Recommended alternatives

Matches package and core specs with significantly better lifetime, ripple current, and ESR.

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Alternative comparison matrix

Feature / factor	25YXJ1000MFFC10X20	ERJ1EM102G20OT	KM108M025G20RR0VH2FP0	Compatibility / risk
Package	Radial, 10mm x 20mm	Radial, 10mm x 20mm	Radial, 10mm x 20mm	Radial, 10mm x 20mm — Package dimensions match.; KM108M025G20RR0VH2FP0: Package dimensions match.
Lifetime	4000-10000h	10000h	2000h	10000h / 2000h — Longer lifetime.; KM108M025G20RR0VH2FP0: Significantly shorter lifetime.
Ripple Current	865mA	2.5A	821mA	2.5A / 821mA — Significantly higher ripple current handling.; KM108M025G20RR0VH2FP0: Slightly lower ripple current rating.
Esr	46mΩ	28mΩ	Unknown	28mΩ / Unknown — Lower ESR indicates better performance.; KM108M025G20RR0VH2FP0: ESR is not specified, target is low impedance.
Capacitance	1000uF	-	1000uF	1000uF — Capacitance matches.
Voltage	25V	-	25V	25V — Voltage rating matches.

Application & sourcing insights

Questions & answers

The AISHI ERJ1EM102G20OT is a strong upgrade path, offering a matching package and superior lifetime, ripple current, and ESR ratings. Always verify against your specific circuit requirements.