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Best Alternatives to SS24A

Package: Tape & Reel (TR)Yangjie TechnologyDiodes - Rectifiers - SingleSeries: -Forward Voltage (Vf@If): 500mV@2AReverse Voltage (Vr): 40VAverage Rectified Current (Io): 2AReverse Leakage Current (Ir): 500uA@40V

SS24A is a 40V, 2A Schottky rectifier in a common SMA package, valued for its low forward voltage. When seeking a replacement, key parameters are voltage, current, and especially forward voltage (Vf) to maintain efficiency.

AI replacement insight

Electrical riskmedium

Forward voltage (Vf) varies significantly among alternatives, impacting efficiency and heat.

Package risklow

The DO-214AC (SMA) package is a common industry standard with consistent dimensions.

Sourcing risklow

Many manufacturers produce Schottky diodes with similar ratings in this package.

Can it be replaced directly?

Direct replacement for SS24A should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

SK56A-LTP offers an upgrade in voltage and current with a similar forward voltage, making it the most suitable replacement.

Main risk

The primary risk is selecting a part with a higher forward voltage (Vf), which will increase power dissipation and lower circuit efficiency.

Recommended alternatives

2
SK56A-LTP package
SK56A-LTP

Micro Commercial Co

Needs validationlow risk

A pin-compatible upgrade with higher voltage (60V) and current (5A) ratings and comparable forward voltage.

View details

Alternative comparison matrix

Feature / factorSS24ASK56A-LTPSS56Alt 3Compatibility / risk
PackageDO-214AC (SMA)DO-214AC (SMA)DO-214AC (SMA)DO-214AC (SMA) — Same package and pinout.; SS56: Same package and pinout.
Voltage40V60V60V60V — Higher voltage rating provides more design margin.; SS56: Higher voltage rating.
Current2A5A5A5A — Higher current rating provides more design margin.; SS56: Higher current rating.
Forward Voltage0.5V @ 2A (max)~0.45V @ 2A (typ)0.7V @ 5A (max)~0.45V @ 2A (typ) / 0.7V @ 5A (max) — Comparable Vf ensures similar efficiency. Check datasheet graph.; SS56: Vf may be higher than target, check datasheet for value at 2A.

Application & sourcing insights

Questions & answers

Verified drop-in options for SS24A 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.