Is there a pin-compatible replacement for EMZR500ARA331MJA0G?

No pin-compatible replacement has been fully verified. Candidates like RVT330UF50V167RV0080 and RVT1H331M1010 have very similar packages, but require engineering review to confirm pinout and electrical suitability.

What risks should I check before replacing EMZR500ARA331MJA0G?

Key risks include package size differences (especially height), and electrical mismatches in ESR and ripple current rating. A substitute with higher ESR or lower ripple current can fail in high-stress applications.

EMZR500ARA331MJA0G Alternatives, Datasheet & Cross Reference | NCC(Nippon Chemi-Con)

Reviewing alternatives for the NCC EMZR500ARA331MJA0G, a 330µF 50V SMD aluminum electrolytic capacitor. Key considerations for substitutes include matching the 10x10mm package, low ESR, and high ripple current rating.

AI replacement insight

Electrical riskhigh

ESR and ripple current are critical and often mismatched in alternatives.

Package risklow

Several candidates have very similar SMD footprints.

Sourcing riskmedium

Multiple vendors offer similar parts, but performance varies.

Can it be replaced directly?

No direct pin-to-pin replacement has been confirmed. Several functional alternatives exist but require careful review of package dimensions and electrical performance.

Best replacement path

Find a substitute with a 10x10mm SMD package, voltage ≥ 50V, and critically, ESR ≤ 120mΩ and ripple current ≥ 900mA.

Main risk

The main risk is substituting with a capacitor that has higher ESR or lower ripple current capability, which can lead to overheating and premature failure.

Recommended alternatives

Close package match, but a significant downgrade in ripple current performance that requires careful review.

View details

Alternative comparison matrix

Feature / factor	EMZR500ARA331MJA0G	RVT330UF50V167RV0080	RVT1H331M1010	VP1H331M1010	Compatibility / risk
Package	SMD, 10x10mm	SMD, 10mm x 10.2mm	10mm x 10.2mm	10mm x 10.5mm	SMD, 10mm x 10.2mm / 10mm x 10.5mm — Package is a very close match, likely compatible.; RVT1H331M1010: Package is a very close match, likely compatible.; VP1H331M1010: Candidate is 0.5mm taller. Footprint may match but requires verification.
Ripple Current	900mA	292mA	Unknown	Unknown	292mA / Unknown — Significantly lower than target's 900mA. May cause overheating.; RVT1H331M1010: Ripple current is a critical parameter and is missing.; VP1H331M1010: Ripple current is a critical parameter for this application and is missing.
Voltage	50V	50V	50V	50V	50V — Voltage rating matches.; RVT1H331M1010: Voltage rating matches.; VP1H331M1010: Voltage rating matches.
Capacitance	330µF	330µF	330µF	330µF	330µF — Capacitance matches.; RVT1H331M1010: Capacitance matches.; VP1H331M1010: Capacitance matches.
Esr	120 mΩ	-	Unknown	-	Unknown — ESR is a critical parameter and is missing.

Application & sourcing insights

Questions & answers

The best alternative will have the same 330µF capacitance, a voltage rating of 50V or higher, and a comparable package, ESR, and ripple current. RVT330UF50V167RV0080 is a close package match but has lower performance.