Is there a pin-compatible replacement for SPZ1HM331G15O00RAXXX?

No candidate has been verified as a guaranteed pin-to-pin replacement. While several radial capacitors have the same 10mm diameter, their performance characteristics (ESR, ripple current) differ significantly from the target's polymer technology. Engineering review is required.

What risks should I check before replacing SPZ1HM331G15O00RAXXX?

The main risks are electrical and thermal. A substitute with higher ESR will generate more heat and may not filter noise effectively. A lower ripple current rating can lead to capacitor failure under load. Also, check the physical height of any alternative to ensure it fits.

SPZ1HM331G15O00RAXXX Alternatives, Datasheet & Cross Reference | AISHI

Finding a substitute for the AISHI SPZ1HM331G15O00RAXXX requires careful attention to its high-performance polymer technology. This 330µF 50V capacitor features very low ESR and high ripple current, making it ideal for demanding power applications where standard electrolytic capacitors may not suffice.

AI replacement insight

Electrical riskhigh

Mismatch in ESR and ripple current can compromise circuit stability and component lifetime.

Package risklow

Several candidates have the same diameter and similar height, but clearance must always be checked.

Can it be replaced directly?

No direct, verified drop-in replacement has been identified. The target is a high-performance aluminum polymer capacitor, and all candidates are either a different package type or standard electrolytic capacitors with likely lower performance.

Best replacement path

Find another aluminum polymer capacitor with similar ESR (≤ 20mΩ) and ripple current (≥ 2600mA). If unavailable, ERS1HM331G13OT is the closest in form factor but requires careful performance validation.

Main risk

The primary risk is substituting a high-performance polymer capacitor with a standard electrolytic one, leading to higher ESR and much lower ripple current handling, which can cause overheating and failure in power applications.

Recommended alternatives

A functional alternative from the same manufacturer with a compatible package, but performance must be verified.

View details

Alternative comparison matrix

Feature / factor	SPZ1HM331G15O00RAXXX	ERS1HM331G13OT	LKME1601J331MF	Compatibility / risk
Manufacturer	AISHI	AISHI	-	AISHI — Same manufacturer increases confidence in compatibility.
Electricals	330µF, 50V, ±20%	330µF, 50V, ±20%	-	330µF, 50V, ±20% — Key electrical ratings match.
Package	Radial, 10mm x 15mm	Radial, 10mm x 13mm	Radial, 10mm x 16mm	Radial, 10mm x 13mm / Radial, 10mm x 16mm — Same diameter, shorter height. Mechanically compatible.; LKME1601J331MF: 1mm taller than target; check mechanical clearance.
Ripple Current	2600mA	Unknown (RS Series)	Unknown	Unknown (RS Series) — Target is a high-ripple polymer cap (2600mA). Candidate is likely a standard electrolytic with much lower rating. Must verify.; LKME1601J331MF: Target is a high-ripple polymer cap (2600mA). This standard electrolytic is likely much lower.
Esr	20mΩ	Unknown (RS Series)	-	Unknown (RS Series) — Target is a low-ESR polymer cap (20mΩ). Candidate is likely much higher. Must verify for application.
Voltage	50V	-	63V	63V — Higher voltage rating provides more design margin.
Load Life	2000h	-	10000h	10000h — Significantly longer rated life.

Application & sourcing insights

Questions & answers

The best potential alternative is ERS1HM331G13OT from the same manufacturer, AISHI. It has a compatible package, but you must verify its ESR and ripple current are acceptable for your application, as it is likely a standard, not polymer, capacitor.