
A potential pin-compatible replacement with identical electrical specs and a wider temperature range.
APH0420T220M is a 22µH power inductor in a compact 4.4x4.2mm package, ideal for DC/DC converters. Finding a replacement requires matching inductance, current ratings, and the small footprint.
Most alternatives are not drop-in compatible due to larger footprints.
All candidates meet or exceed the target's current and DCR specifications.
Direct replacement for APH0420T220M 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 APH0420T220M, then review parametric alternatives for package and electrical fit.
The primary risk is package mismatch. Only one candidate (XR0420-220M) shares the target's package size; all others are significantly larger and require a PCB redesign.

A potential pin-compatible replacement with identical electrical specs and a wider temperature range.
| Feature / factor | APH0420T220M | XR0420-220M | FXC0630-220M | FXC1040-220M | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4.4 x 4.2 mm | 4.4 x 4.2 mm | 7.3x6.6mm | 11.5mm x 10.3mm | 4.4 x 4.2 mm / 7.3x6.6mm / 11.5mm x 10.3mm / 7.0mm x 6.6mm — Package dimensions appear identical.; FXC0630-220M: Significantly larger package, not a drop-in.; FXC1040-220M: Significantly larger package, not a drop-in.; FXL0640-220-M: Significantly larger package, not a drop-in. |
| Inductance | 22µH | 22µH | - | - | 22µH — matched |
| Saturation Current A | 1.4A | 1.4A | 3.5A | 7.0A | 1.4A / 3.5A / 7.0A — matched; FXC0630-220M: Higher current handling.; FXC1040-220M: Much higher current handling.; FXL0640-220-M: Higher current handling. |
| Current A | 1.2A | 1.2A | 2.0A | 5.0A | 1.2A / 2.0A / 5.0A / 3.0A — RMS current matches.; FXC0630-220M: Higher RMS current rating.; FXC1040-220M: Much higher RMS current rating.; FXL0640-220-M: Higher RMS current rating. |
| Dcr Ohm | 363mΩ | 363mΩ | 190mΩ | 74mΩ | 363mΩ / 190mΩ / 74mΩ / 125mΩ — matched; FXC0630-220M: Lower DCR improves efficiency.; FXC1040-220M: Lower DCR improves efficiency.; FXL0640-220-M: Lower DCR improves efficiency. |
| Temperature | -40°C to +125°C | -55°C to +125°C | - | - | -55°C to +125°C — Wider operating temperature range. |
Verified drop-in options for APH0420T220M 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.