Is there a pin-compatible replacement for KM477M016E12RR0VH2FPV?

KNE2470UF25V149EC0035 is pin-compatible in terms of package size and lead spacing. However, it is a different capacitor technology (solid polymer vs. standard electrolytic), so it is not a simple drop-in and requires circuit review.

What risks should I check before replacing KM477M016E12RR0VH2FPV?

The primary risk is physical size; many alternatives are larger and won't fit. You must also verify the replacement's ESR, ripple current, and leakage current are suitable for your application, especially if changing capacitor technology.

KM477M016E12RR0VH2FPV Alternatives, Datasheet & Cross Reference | Chengx

Finding a substitute for the CX KM477M016E12RR0VH2FPV, a 470µF 16V electrolytic capacitor, requires careful attention to its compact 6.3x12mm radial package. While several parts offer similar electrical values, physical fit is the main challenge.

AI replacement insight

Package riskhigh

Many alternatives are physically larger. Only one candidate matches the 6.3x12mm radial package.

Electrical riskmedium

The best-fitting option is a different technology (solid polymer), requiring ESR and leakage current review.

Sourcing risklow

Multiple manufacturers produce similar capacitors, though package size varies.

Can it be replaced directly?

No direct, drop-in replacement has been identified without caveats. The closest match, KNE2470UF25V149EC0035, uses a different capacitor technology that needs review.

Best replacement path

The best path is an upgrade to a solid polymer capacitor like KNE2470UF25V149EC0035, which matches the package size and improves electrical specs, but requires engineering review.

Main risk

The main risk when substituting is physical incompatibility. Several functional alternatives have a larger diameter and will not fit on a board designed for the original part.

Recommended alternatives

A 470µF 25V solid polymer capacitor in the same 6.3x12mm radial package, offering longer life and better performance.

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Alternative comparison matrix

Feature / factor	KM477M016E12RR0VH2FPV	KNE2470UF25V149EC0035	CD288H1EM471F120T	KM1E471M0812	Compatibility / risk
Package	Radial, 6.3x12mm, 2.5mm lead spacing	Radial, 6.3x12mm, 2.5mm lead spacing	Radial, 8x12mm	Radial, 8x12mm	Radial, 6.3x12mm, 2.5mm lead spacing / Radial, 8x12mm — Physical dimensions and lead spacing match target.; CD288H1EM471F120T: Candidate has a larger diameter (8mm vs 6.3mm) and may not fit on the PCB.; KM1E471M0812: Candidate has a larger diameter (8mm vs 6.3mm) and may not fit on the PCB.
Voltage	16V	25V	25V	25V	25V — Higher voltage rating provides more design margin.; CD288H1EM471F120T: Higher voltage rating is a safe upgrade.; KM1E471M0812: Higher voltage rating is a safe upgrade.
Capacitance	470µF	470µF	470µF	470µF	470µF — matched; CD288H1EM471F120T: matched; KM1E471M0812: matched
Technology	Standard Electrolytic	Solid Polymer	-	-	Solid Polymer — Solid caps offer lower ESR and higher ripple current, but may have different leakage/bias behavior.
Lifetime	1000h @ 105°C	2000h @ 105°C	-	2000h @ 105°C	2000h @ 105°C — Longer rated life.; KM1E471M0812: Longer rated life.
Ripple Current	Not specified	-	892 mArms	-	892 mArms — Ripple current rating must be compared to target's spec or application need.

Application & sourcing insights

Questions & answers

The best alternative is KNE2470UF25V149EC0035. It matches the physical size and offers upgraded voltage and lifetime, but it is a solid polymer capacitor which requires engineering review for your specific circuit.