UMW SS26B
UMW
Needs validationmedium risk
Matches current rating with higher voltage, but has a much higher forward voltage drop.
Best Alternatives to SS24T3G
Finding a substitute for the onsemi SS24T3G, a 40V 2A Schottky diode, involves balancing key electrical parameters. While several alternatives exist in the same SMB package, trade-offs in efficiency and leakage current are common.
AI replacement insight
Electrical riskmedium
Most candidates have higher forward voltage, impacting efficiency. One has very high reverse leakage.
Package risklow
All suggested candidates use the same SMB package, ensuring physical compatibility.
Can it be replaced directly?
No perfect drop-in replacement was found. All viable alternatives have trade-offs in either forward voltage (efficiency), reverse leakage current, or operating temperature.
Best replacement path
For efficiency, STPS5L60U has lower forward voltage but requires checking its high reverse leakage. For a general match, UMW SS26B has the same current rating but with higher power loss.
Main risk
The primary risk is increased power dissipation and heat due to higher forward voltage (Vf) in most alternatives, or excessive leakage current with STPS5L60U.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | SS24T3G | UMW SS26B | UMW SS510B | STPS5L60U | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SMB (DO-214AA) | SMB | SMB | SMB | SMB / SMB (DO-214AA) — Package is physically compatible.; UMW SS510B: Package is physically compatible.; STPS5L60U: Package is physically compatible.; SS36 SMB: Package is physically compatible. |
| Voltage | 40V | 60V | 100V | 60V | 60V / 100V — Higher voltage rating provides more margin.; UMW SS510B: Higher voltage rating provides more margin.; STPS5L60U: Higher voltage rating.; SS36 SMB: Higher voltage rating. |
| Current | 2A | 2A | 5A | 5A | 2A / 5A / 3A — Current rating matches target.; UMW SS510B: Higher current rating.; STPS5L60U: Higher current rating.; SS36 SMB: Higher current rating. |
| Forward Voltage | 0.50V @ 2A | 0.7V @ 2A | 0.85V @ 3A | 0.48V @ 5A | 0.7V @ 2A / 0.85V @ 3A / 0.48V @ 5A / 0.7V @ 3A — Significantly higher Vf will increase power loss.; UMW SS510B: Higher Vf increases power loss. Test conditions differ.; STPS5L60U: Lower Vf improves efficiency. Test current is higher.; SS36 SMB: Higher Vf increases power loss. |
| Temperature | -55°C to +150°C | -65°C to 150°C | -50°C to +150°C | - | -65°C to 150°C / -50°C to +150°C / -55°C to 125°C — Wider operating temperature range.; UMW SS510B: Slightly narrower operating range at low end.; SS36 SMB: Lower max temperature may not be suitable. |
| Reverse Leakage | 0.4mA @ 40V | - | - | 100mA @ 60V | 100mA @ 60V — Extremely high reverse leakage may be unacceptable. |
Application & sourcing insights
Questions & answers
The best alternative depends on your priority. For high efficiency, STPS5L60U has a lower forward voltage but very high leakage. For a balanced choice, UMW SS26B matches the current rating but has higher power loss. Always verify against your specific circuit needs.