
AISHI
A strong alternative with identical key specs and package, plus higher endurance.
Finding a replacement for the CX KM337M016E12RR0VH2FP0, a 330µF 16V radial electrolytic capacitor, involves matching capacitance, voltage, and package size. Several alternatives exist with varying degrees of compatibility.
Low for candidates with matching capacitance and voltage. High if capacitance or technology differs.
Low for candidates with matching radial packages. High for SMD alternatives.
Multiple vendors offer similar parts, suggesting good availability.
Direct replacement for KM337M016E12RR0VH2FP0 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The most direct replacement path is ERS1CM331E12OT, which matches all primary specifications and offers better endurance.
The main risk when substituting is using a part with different capacitance or capacitor technology (e.g., solid vs. wet electrolytic), which can impact performance.

AISHI
A strong alternative with identical key specs and package, plus higher endurance.
| Feature / factor | KM337M016E12RR0VH2FP0 | ERS1CM331E12OT | GR477M016E12RR0EH4FP0 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Radial, 6.3mm x 12mm | Radial, 6.3mm x 12mm | Radial, 6.3mm x 12mm | Radial, 6.3mm x 12mm — Identical form factor.; GR477M016E12RR0EH4FP0: Identical form factor. | |
| Capacitance | 330µF | 330µF | 470µF | 330µF / 470µF — Capacitance matches.; GR477M016E12RR0EH4FP0: Higher capacitance may affect inrush current or stability. | |
| Voltage | 16V | 16V | 16V | 16V — Voltage rating matches.; GR477M016E12RR0EH4FP0: Voltage rating matches. | |
| Endurance | 1000-2000 Hours | 5000 hours | - | 5000 hours — Candidate has longer rated life. |
Verified drop-in options for KM337M016E12RR0VH2FP0 are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.