CK1A221M-CRE54
Fujicon Elec
Needs validationlow risk
A pin-compatible alternative from Fujicon with identical ratings and longer life.
Best Alternatives to RT1A221M0605
Find pin-compatible substitutes and upgrades for the ROQANG RT1A221M0605, a 220µF 10V aluminum electrolytic capacitor. This guide provides verified alternatives to ensure your design's performance and sourcing flexibility.
AI replacement insight
Package risklow
Multiple candidates share the same 6.3x5.4mm package. Taller options exist and must be avoided without clearance checks.
Electrical riskmedium
While primary specs match, ESR and ripple current must be verified from datasheets to ensure circuit stability and thermal performance.
Can it be replaced directly?
Direct replacement for RT1A221M0605 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use an upgrade path candidate like VP1C221M0605 for a higher voltage rating (16V) or a pin-to-pin match like RVE1A221M0605 for identical specs with longer life.
Main risk
The main risk is overlooking secondary electrical parameters like ESR and ripple current, which can affect circuit performance, especially in power applications.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | RT1A221M0605 | CK1A221M-CRE54 | RVE1A221M0605 | VP1C221M0605 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 6.3 mm x 5.4 mm | 6.3mm x 5.4mm | 6.3 mm x 5.4 mm | 6.3mm x 5.4mm | 6.3mm x 5.4mm / 6.3 mm x 5.4 mm — Package dimensions match target.; RVE1A221M0605: Package dimensions match target.; VP1C221M0605: Package dimensions match target. |
| Voltage | 10V | 10V | 10V | 16V | 10V / 16V — matched; RVE1A221M0605: matched; VP1C221M0605: Higher voltage rating provides greater design margin. |
| Endurance | 1000h @ 105°C | 2000h @ 105°C | 2000h @ 105°C | 2000h @ 105°C | 2000h @ 105°C — Longer rated life than target.; RVE1A221M0605: Longer rated life than target.; VP1C221M0605: Longer rated life at operating temperature. |
| Capacitance | 220µF ±20% | 220µF ±20% | 220µF ±20% | 220µF ±20% | 220µF ±20% — matched; RVE1A221M0605: matched; VP1C221M0605: matched |
Application & sourcing insights
Questions & answers
Verified drop-in options for RT1A221M0605 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.