UUD1H221MNL1GS
Nichicon
Needs validationlow risk
Strong alternative from Nichicon with identical package and primary specs, but slightly higher impedance.
Best Alternatives to UCD1H221MNL1GS
UCD1H221MNL1GS is a 220µF 50V surface-mount aluminum electrolytic capacitor. Key alternatives include other Nichicon series like UWD and UUD, which offer similar performance in the same package.
AI replacement insight
Electrical risklow
Minor impedance difference (0.16Ω vs 0.18Ω).
Package risklow
Top candidates share the same 10x10mm package.
Sourcing risklow
Alternatives are available from major manufacturers.
Can it be replaced directly?
Direct replacement for UCD1H221MNL1GS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Nichicon's UWD1H221MCL1GS or UUD1H221MNL1GS are the best alternatives, offering identical primary specs and package from the same manufacturer.
Main risk
The primary risk is a minor increase in ESR/impedance when switching to UWD/UUD series, which may affect performance in sensitive circuits.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | UCD1H221MNL1GS | UUD1H221MNL1GS | UWD1H221MCL1GS | VEJ221M1HTR-1010 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 10 mm x 10 mm | 10x10mm | 10 x 10 mm | 10x10mm SMD | 10x10mm / 10 x 10 mm / 10x10mm SMD — Package dimensions match.; UWD1H221MCL1GS: Package dimensions match.; VEJ221M1HTR-1010: Package dimensions appear to match. |
| Voltage | 50V | 50V | 50V | 50V | 50V — Voltage rating is identical.; UWD1H221MCL1GS: Voltage rating is identical.; VEJ221M1HTR-1010: Voltage rating is identical. |
| Capacitance | 220µF | 220µF | 220µF | 220µF | 220µF — Capacitance is identical.; UWD1H221MCL1GS: Capacitance is identical.; VEJ221M1HTR-1010: Capacitance is identical. |
| Impedance | 0.16 Ω | 0.18 Ω | 0.18 Ω | Unknown | 0.18 Ω / Unknown — Slightly higher impedance, check circuit sensitivity.; UWD1H221MCL1GS: Slightly higher impedance, check circuit sensitivity.; VEJ221M1HTR-1010: Impedance/ESR must be verified from datasheet. |
| Series | UCD | UUD | UWD | - | UUD / UWD — Different series from same manufacturer.; UWD1H221MCL1GS: Different series from same manufacturer. |
| Manufacturer | Nichicon | - | - | Lelon | Lelon — Cross-vendor alternative. |
Application & sourcing insights
Questions & answers
Verified drop-in options for UCD1H221MNL1GS 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.