Is there a pin-compatible replacement for SPZ1JM221G15O00RAXXX?

No pin-compatible replacement with matching critical electrical parameters was identified. Candidates with the same package had incorrect voltage or capacitance, and functional alternatives have different packages or technology.

What risks should I check before replacing SPZ1JM221G15O00RAXXX?

Key risks include physical fit (package size), electrical stress (voltage rating), and performance (ESR, ripple current, and lifetime). The target is a low-ESR polymer capacitor; replacing it with a standard electrolytic type will significantly impact circuit performance.

SPZ1JM221G15O00RAXXX Alternatives, Datasheet & Cross Reference | AISHI

Q: What is the best alternative to SPZ1JM221G15O00RAXXX?

No direct drop-in replacement was found. ERJ1KM221W20OT has a higher voltage rating but is physically larger and has different electrical characteristics (higher ESR, lower ripple current) that require careful engineering validation.

Finding a replacement for the AISHI SPZ1JM221G15O00RAXXX requires matching its 220µF capacitance, 63V rating, and low ESR polymer technology in a 10x15mm radial package. Careful review of ESR and ripple current is critical.

AI replacement insight

Electrical riskhigh

Mismatched ESR/ripple current can cause circuit malfunction or failure.

Package riskhigh

Alternatives are often different sizes or mounting types.

Firmware risklow

Not applicable for a passive component.

Can it be replaced directly?

No direct drop-in replacement was found among the candidates reviewed.

Best replacement path

Search for polymer capacitors with C=220µF, V≥63V, ESR≤20mΩ, and a radial package near 10x15mm.

Main risk

The primary risk is substituting a standard electrolytic capacitor for the target's high-performance polymer technology, leading to higher ESR and lower ripple current handling.

Recommended alternatives

A potential downgrade with higher voltage but larger size and different capacitor technology; requires careful engineering review.

View details

Alternative comparison matrix

Feature / factor	SPZ1JM221G15O00RAXXX	ERJ1KM221W20OT	Compatibility / risk
Package	Radial, 10mm x 15mm	Radial, 12.5mm x 20mm	Radial, 12.5mm x 20mm — Candidate is physically larger, requires board space verification.
Type	Polymer	Std. Electrolytic	Std. Electrolytic — Target is Polymer type with superior ESR and ripple current.
Voltage	63V	100V	100V — Higher voltage rating provides more margin.
Esr	20mΩ	Unknown, likely >>20mΩ	Unknown, likely >>20mΩ — Standard electrolytic ESR is much higher than polymer.
Ripple Current	2.65A	Unknown, likely <<2.65A	Unknown, likely <<2.65A — Ripple current capability is likely significantly lower.

Application & sourcing insights

Questions & answers