UWD1H221MCL1GS
Nichicon
Needs validationmedium risk
A strong pin-compatible alternative from Nichicon with matching key specs and a very similar package.
Best Alternatives to CS1H221M-CRG10
Find pin-compatible substitutes and functional alternatives for the ST CS1H221M-CRG10, a 220µF 50V aluminum electrolytic capacitor. Review key parametric and package differences before replacement.
AI replacement insight
Package risklow
Minor height/footprint variations exist. Datasheet verification is required.
Electrical risklow
Key parameters match on top candidates. Check secondary specs like ESR.
Sourcing risklow
This is a common capacitor value and package with many suppliers.
Can it be replaced directly?
Direct replacement for CS1H221M-CRG10 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with Datasheet verified or Strong match candidates for CS1H221M-CRG10, then review parametric alternatives for package and electrical fit.
Main risk
The main risk is ensuring the substitute's package footprint and height (10x10.5mm) are identical, as minor variations exist.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | CS1H221M-CRG10 | UWD1H221MCL1GS | VT1H221M1010 | VEJ221M1HTR-1010 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1010 (10x10.5mm) | 10 x 10 mm | 10x10.2mm | 10x10mm SMD | 10 x 10 mm / 10x10.2mm / 10x10mm SMD / 1010 — Close match to target's 10x10.5mm. Footprint likely compatible, height slightly less.; VT1H221M1010: Close match to target's 10x10.5mm. Footprint likely compatible, height differs slightly.; VEJ221M1HTR-1010: Close match to target's 10x10.5mm. Footprint likely compatible, height slightly less.; RVT1H331M1010: Matches target footprint. |
| Voltage | 50V | 50V | 50V | 50V | 50V — matched; VT1H221M1010: matched; VEJ221M1HTR-1010: matched; RVT1H331M1010: matched |
| Capacitance | 220µF | 220µF | 220µF | 220µF | 220µF / 330µF — matched; VT1H221M1010: matched; VEJ221M1HTR-1010: matched; RVT1H331M1010: 50% higher capacitance. Not a direct drop-in for all circuits. |
| Manufacturer | ST | Nichicon | ACMECON / ROQANG | Lelon | Nichicon / ACMECON / ROQANG / Lelon — Top-tier manufacturer.; VT1H221M1010: Generic MPN used by multiple vendors. Verify specific supplier.; VEJ221M1HTR-1010: Reputable manufacturer. |
| Tolerance | ±20% | - | ±20% | - | ±20% — matched; RVT1H331M1010: matched |
Application & sourcing insights
Questions & answers
Verified drop-in options for CS1H221M-CRG10 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.