SS56FL
SHIKUES
Needs validationlow risk
Strong candidate with upgraded voltage (60V) and current (5A) in the same package.
Best Alternatives to SSL34F
SSL34F is a 40V, 3A Schottky rectifier in an SMAF package. When searching for replacements, prioritize candidates with equal or greater voltage and current ratings, and a comparable low forward voltage to maintain efficiency.
AI replacement insight
Electrical riskmedium
Ensure replacement has adequate voltage margin (>40V) and low forward voltage (Vf) to avoid overheating.
Package risklow
The SMAF package is standard, so mechanical fit issues are unlikely.
Can it be replaced directly?
No perfect drop-in replacement is identified. SS56FL is the strongest functional alternative but requires verification of its slightly higher forward voltage.
Best replacement path
SS56FL offers an upgrade in both voltage and current with minimal change in other parameters, making it the most robust choice.
Main risk
The primary risk is selecting a part with insufficient voltage margin or a higher forward voltage (Vf), which can impact reliability and system efficiency.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | SSL34F | SS56FL | SSL36F | SSL54F | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SMAF | SMAF | SMAF | SMAF | SMAF — Same package and pin count.; SSL36F: Same package and pin count.; SSL54F: Same package and pin count.; SS54F: Same package and pin count. |
| Voltage | 40V | 60V | 60V | 40V | 60V / 40V — Higher voltage rating provides safety margin.; SSL36F: Higher voltage rating provides safety margin.; SSL54F: No safety margin over target's 40V rating.; SS54F: No safety margin over target's 40V rating. |
| Current | 3A | 5A | 3A | 5A | 5A / 3A — Higher current rating is a safe upgrade.; SSL36F: Current rating matches target.; SSL54F: Higher current rating is a safe upgrade.; SS54F: Higher current rating is a safe upgrade. |
| Forward Voltage | 0.48V | 0.5V | 0.55V | 0.48V | 0.5V / 0.55V / 0.48V — Slightly higher Vf may minimally impact efficiency.; SSL36F: Higher Vf will increase power dissipation.; SSL54F: Identical Vf ensures similar efficiency. |
| Temperature | -55°C to +125°C | - | -55°C to +125°C | -55°C to +150°C | -55°C to +125°C / -55°C to +150°C — Same operating range.; SSL54F: Wider operating range. |
Application & sourcing insights
Questions & answers
SS56FL is a strong candidate, offering higher voltage (60V) and current (5A) in the same SMAF package with a similar forward voltage. Always verify against your circuit's specific needs.