
KNSCHA
Pin-compatible package and primary specs, but has weaker ESR and ripple current ratings requiring review.
The AISHI SVZ1EM221E09E00RAXXX is a 220µF 25V low-ESR polymer capacitor in a 6.3x9mm SMD package. Finding a direct replacement requires matching not only primary specs but also the low ESR and high ripple current ratings.
Target is a low-ESR polymer cap; many alternatives have inferior ESR/ripple current.
Several functional alternatives require a larger PCB footprint.
Direct replacement for SVZ1EM221E09E00RAXXX should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Start with Datasheet verified or Strong match candidates for SVZ1EM221E09E00RAXXX, then review parametric alternatives for package and electrical fit.
The primary risk is substituting with a capacitor that has higher ESR or lower ripple current, which can lead to component failure or system instability.

KNSCHA
Pin-compatible package and primary specs, but has weaker ESR and ripple current ratings requiring review.
| Feature / factor | SVZ1EM221E09E00RAXXX | KNM2220UF25V149EC0051 | VZH221M1ETR-0810 | VZH221M1VTR-0810L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SMD, 6.3mm x 9mm | SMD, 6.3mm x 9mm | 8mm x 10mm | 8x10mm | SMD, 6.3mm x 9mm / 8mm x 10mm / 8x10mm — Package dimensions match.; VZH221M1ETR-0810: Larger package, requires PCB layout change.; VZH221M1VTR-0810L: Larger package, requires PCB layout change. |
| Capacitance Voltage Tolerance | 220 µF, 25V, ±20% | 220 µF, 25V, ±20% | - | - | 220 µF, 25V, ±20% — Primary electricals match. |
| Esr | 30 mΩ | 50 mΩ | - | - | 50 mΩ — ESR is ~67% higher, may impact performance. |
| Ripple Current | 2400 mA | 2100 mA | - | - | 2100 mA — Ripple current is lower, check thermal and stability margins. |
| Voltage | 25V | - | 25V | 35V | 25V / 35V — Voltage rating matches.; VZH221M1VTR-0810L: Higher voltage rating provides more design margin. |
| Capacitance Tolerance | 220 µF, ±20% | - | 220 µF, ±20% | 220 µF, ±20% | 220 µF, ±20% — Capacitance and tolerance match.; VZH221M1VTR-0810L: Capacitance and tolerance match. |
| Aec Q200 | No | - | Yes | Yes | Yes — AEC-Q200 qualified, suitable for automotive.; VZH221M1VTR-0810L: AEC-Q200 qualified, suitable for automotive. |
Verified drop-in options for SVZ1EM221E09E00RAXXX 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.