What risks should I check before replacing SK36?

First, confirm the replacement is a Schottky diode. Second, ensure key parameters like reverse voltage (Vr) and average current (Io) are equal to or greater than the original. Finally, if the package is different, verify your PCB layout can be adapted.

SK36 Alternatives, Datasheet & Cross Reference | Micro Commercial Co

SK36 is an obsolete 60V, 3A Schottky diode in an SMC package. Find pin-compatible and functional alternatives with verified electrical parameters to ensure a smooth replacement for your design.

AI replacement insight

Package riskmedium

Several alternatives are in smaller SMA packages, requiring a board layout change.

Electrical risklow

Sticking to Schottky diodes with equal or better V/I ratings minimizes electrical risk.

Sourcing risklow

Active, pin-compatible replacements are available from multiple vendors.

Can it be replaced directly?

Direct replacement for SK36 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 SK36, then review parametric alternatives for package and electrical fit.

Main risk

The main risk is selecting an alternative with a different package (e.g., SMA), which requires a PCB redesign, or choosing a different diode type (e.g., Fast Recovery) which will alter circuit performance.

Recommended alternatives

A pin-compatible Schottky diode in the same SMC package with a higher 5A current rating and lower forward voltage.

View details

Alternative comparison matrix

Feature / factor	SK36	STPS5L60S-FS	SK36A-LTP	Compatibility / risk
Package	DO-214AB, SMC	DO-214AB, SMC	DO-214AC, SMA	DO-214AB, SMC / DO-214AC, SMA — Same package and footprint.; SK36A-LTP: Package is smaller (SMA vs SMC), requires PCB layout change.
Type	Schottky	Schottky	Schottky	Schottky — Both are Schottky diodes.; SK36A-LTP: Both are Schottky diodes.
Voltage	60V	60V	60V	60V — Reverse voltage matches.; SK36A-LTP: Reverse voltage matches.
Current	3A	5A	3A	5A / 3A — Higher current rating provides more margin.; SK36A-LTP: Current rating matches.
Forward Voltage	0.7V @ 3A	0.52V @ 5A	-	0.52V @ 5A — Lower forward voltage at rated current, improving efficiency.

Application & sourcing insights

Questions & answers

Verified drop-in options for SK36 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.