STPS5L60U
STMicroelectronics
Needs validationhigh risk
A strong functional alternative if board redesign is possible; offers the closest Vf of the reviewed parts.
Best Alternatives to PMEG1030EJ,115
Finding a substitute for the Nexperia PMEG1030EJ,115 requires careful consideration. This is an ultra-low forward voltage Schottky diode in a compact SOD323F package, and alternatives often differ in both package size and electrical efficiency.
AI replacement insight
Package riskhigh
Target is SOD323F; all candidates are larger (SMA/SMB/SMC). PCB redesign is mandatory.
Electrical riskmedium
Most alternatives have a significantly higher forward voltage (Vf), which will increase power loss and heat generation.
Can it be replaced directly?
No direct, pin-compatible replacement was found among the candidates reviewed. All alternatives require a PCB redesign due to different package footprints.
Best replacement path
If a PCB redesign is feasible, STPS5L60U is the most promising functional alternative due to its relatively competitive forward voltage. Otherwise, search for other Schottky diodes specifically in a SOD323F package with Vf < 400mV.
Main risk
The primary risk is the physical package mismatch, which prevents a drop-in replacement and necessitates a board layout change.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | PMEG1030EJ,115 | STPS5L60U | SS56 SMA | SS56(SMB) | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOD323F (SC-90) | SMB | SMA (DO-214AC) | SMB | SMB / SMA (DO-214AC) / DO-214AB (SMC) — Not a drop-in replacement; requires PCB redesign.; SS56 SMA: Not a drop-in replacement; requires PCB redesign.; SS56(SMB): Not a drop-in replacement; requires PCB redesign.; SS56SMC: Not a drop-in replacement; requires PCB redesign. |
| Voltage | 10V | 60V | 60V | 60V | 60V — Higher voltage rating provides more margin.; SS56 SMA: Higher voltage rating provides more margin.; SS56(SMB): Higher voltage rating provides more margin.; SS56SMC: Higher voltage rating provides more margin. |
| Current | 3A | 5A | 5A | 5A | 5A — Higher current rating provides more margin.; SS56 SMA: Higher current rating provides more margin.; SS56(SMB): Higher current rating provides more margin.; SS56SMC: Higher current rating provides more margin. |
| Voltage F | 390mV @ 3A | 0.48V @ 5A | 0.65V @ 5A | 0.70V @ 5A | 0.48V @ 5A / 0.65V @ 5A / 0.70V @ 5A — Vf is higher but closer to target than other options.; SS56 SMA: Significantly higher Vf increases power loss.; SS56(SMB): Significantly higher Vf increases power loss.; SS56SMC: Significantly higher Vf increases power loss. |
Application & sourcing insights
Questions & answers
Among the reviewed parts, STPS5L60U offers the closest electrical performance, but like all candidates, it is in a different package (SMB) and requires a complete PCB redesign. No direct drop-in replacement was found.