SS36A
FUXINSEMI
Needs validationlow risk
A strong alternative with identical key electrical ratings and package, but slightly lower surge current.
Best Alternatives to SK36A
Find the best replacement for the SK36A, a 60V, 3A Schottky rectifier in an SMA package. This guide analyzes pin-compatible alternatives and functional substitutes to help you manage your bill of materials.
AI replacement insight
Package risklow
Multiple candidates use the same SMA (DO-214AC) package, ensuring physical compatibility.
Electrical riskmedium
Some alternatives have higher forward voltage (Vf), which can decrease efficiency and increase heat. Others lack voltage safety margin.
Sourcing risklow
This is a common diode type with many manufacturers, suggesting good availability of alternatives.
Can it be replaced directly?
Direct replacement for SK36A should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
SS36A is the strongest candidate, matching all key parameters and package. It should be considered a direct replacement pending datasheet verification.
Main risk
The main risk when substituting is ensuring the replacement's dynamic characteristics (like surge current and reverse recovery time) and thermal performance are adequate for the application.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | SK36A | SS36A | SS58 | SS56A | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SMA (DO-214AC) | SMA(DO-214AC) | SMA (DO-214AC) | SMA (DO-214AC) | SMA(DO-214AC) / SMA (DO-214AC) — Form and fit are identical.; SS58: Form and fit are identical.; SS56A: Form and fit are identical. |
| Voltage | 60.0V | 60.0V | 80.0V | 60.0V | 60.0V / 80.0V — Identical reverse voltage rating.; SS58: Higher voltage rating provides more design margin.; SS56A: Identical rating offers no safety margin. |
| Current | 3.0A | 3.0A | 5.0A | 5.0A | 3.0A / 5.0A — Identical average forward current.; SS58: Higher current rating provides more design margin.; SS56A: Higher current rating provides more design margin. |
| Forward Voltage | 0.75V @ 3A | 0.75V @ 3A | 0.85V | 0.70V @ 5A | 0.75V @ 3A / 0.85V / 0.70V @ 5A — Identical forward voltage drop ensures similar efficiency.; SS58: Higher forward voltage may reduce efficiency.; SS56A: Lower forward voltage may improve efficiency. |
| Surge Current | 100A | 80A | - | - | 80A — Lower peak surge current capability. |
Application & sourcing insights
Questions & answers
Verified drop-in options for SK36A 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.