Is there a pin-compatible replacement for EEHZK1V331P?

While parts like Panasonic EEEFK1V331P share the same package and pinout, they are not functionally equivalent. They have lower temperature and ripple current ratings, making them a high-risk substitute without circuit analysis.

What risks should I check before replacing EEHZK1V331P?

Verify the circuit's maximum operating temperature and required ripple current. The target is a 125°C hybrid capacitor; replacing it with a standard 105°C part can lead to premature failure, especially in automotive or industrial applications.

EEHZK1V331P Alternatives, Datasheet & Cross Reference | PANASONIC

EEHZK1V331P is a high-performance 330µF 35V hybrid aluminum electrolytic capacitor from Panasonic, designed for demanding applications requiring high temperature (125°C) operation and high ripple current.

AI replacement insight

Electrical riskhigh

Lower temperature and ripple current ratings can lead to failure.

Package risklow

Some candidates match the package, but this does not guarantee compatibility.

Can it be replaced directly?

No, there are no direct, drop-in replacements among the candidates reviewed. All options are standard electrolytic capacitors with a lower 105°C temperature rating, representing a significant performance downgrade.

Best replacement path

Finding a direct replacement requires another 125°C hybrid capacitor with similar ripple current and ESR ratings. Standard capacitors are not suitable for the likely applications.

Main risk

The primary risk is component failure due to overheating, as all alternatives have a lower temperature rating (105°C vs 125°C) and cannot handle the same ripple current.

Recommended alternatives

Shares the same package, capacitance, and voltage, but is a standard 105°C capacitor, representing a major downgrade.

View details

Alternative comparison matrix

Feature / factor	EEHZK1V331P	EEEFK1V331P	EEEFT1H331GP	Compatibility / risk
Package	10.0 mm x 10.2 mm	10.0 mm x 10.2 mm	10.0mm x 10.2mm	10.0 mm x 10.2 mm / 10.0mm x 10.2mm — Package dimensions and footprint match.; EEEFT1H331GP: Package dimensions match.
Voltage	35V	35V	50V	35V / 50V — Voltage rating matches.; EEEFT1H331GP: Candidate has higher voltage rating, which is generally safe.
Temperature	125°C	105°C	105°C	105°C — Target is a 125°C hybrid capacitor, candidate is a standard 105°C part.; EEEFT1H331GP: Target is a 125°C hybrid capacitor, candidate is a standard 105°C part.
Lifecycle	4000h @ 125°C	2000h @ 105°C	-	2000h @ 105°C — Significantly lower endurance rating.
Application	Hybrid	Standard	Standard	Standard — Candidate is a standard electrolytic, not a high-performance hybrid type.; EEEFT1H331GP: Candidate is a standard electrolytic, not a high-performance hybrid type.
Current	2800mA	-	900mA	900mA — Candidate ripple current is significantly lower.

Application & sourcing insights

Questions & answers

The best alternative would be another 125°C rated hybrid capacitor with 330µF capacitance, 35V rating, and similar low ESR. Candidates like Panasonic's EEEFK1V331P are functional downgrades and require careful engineering review.