450MXK220MEFCSN25X30
rubycon
Needs validationmedium risk
Matches key electrical specs (220µF, 450V) but has a different Snap-In package requiring layout changes.
Best Alternatives to ERH2WM221O46OT
Finding a substitute for the AISHI ERH2WM221O46OT, a 220µF 450V radial capacitor, requires checking voltage, capacitance, and physical package. Alternatives exist but may require design verification.
AI replacement insight
Package riskhigh
Most alternatives use a Snap-In package, which is not physically compatible with a radial through-hole layout.
Electrical riskmedium
Candidates may have lower voltage or capacitance, requiring circuit re-evaluation for safety and performance.
Can it be replaced directly?
No direct pin-to-pin replacement was found. All candidates have differences in voltage, capacitance, or package type that require engineering review.
Best replacement path
Functional alternates with matching electricals but different 'Snap-In' packages are available, like the Rubycon 450MXK220MEFCSN25X30.
Main risk
The main risks are package incompatibility (Radial vs. Snap-in) and electrical performance changes from different capacitance or voltage ratings.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | ERH2WM221O46OT | 450MXK220MEFCSN25X30 | 152EC0330 | ERT187M2WL40RR | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Radial, Can - Through Hole | Snap-In | Snap-in, 25mm x 30mm | Radial, Can | Snap-In / Snap-in, 25mm x 30mm / Radial, Can / Radial, Can - Through Hole — Not a drop-in replacement for a radial part.; 152EC0330: Not a drop-in replacement for a radial part.; ERT187M2WL40RR: Similar package type, but dimensions differ (18x40mm vs 22x46mm).; EHS2GM221M45OT: Physical dimensions differ (18x45mm vs 22x46mm). |
| Voltage | 450V | 450V | 450V | 450V | 450V / 400V — matched; 152EC0330: matched; ERT187M2WL40RR: matched; EHS2GM221M45OT: Lower voltage rating is a safety risk. |
| Capacitance | 220µF | 220µF | 220µF | 180µF | 220µF / 180µF — matched; 152EC0330: matched; ERT187M2WL40RR: Lower capacitance may affect circuit performance.; EHS2GM221M45OT: matched |
| Dimensions | 22mm x 46mm | 25mm x 30mm | - | - | 25mm x 30mm — Verify PCB layout. |
| Endurance | 3000 hours | - | 2000 hours | - | 2000 hours / 5000 hours — Lower endurance than target.; EHS2GM221M45OT: stronger |
Application & sourcing insights
Questions & answers
Rubycon 450MXK220MEFCSN25X30 and KNSCHA 152EC0330 are strong functional alternatives if the 'Snap-In' package is acceptable. They match key electrical ratings (220µF, 450V).