Best Alternatives to PMEG4030EP,115

Package: SOD-128Nexperia USA Inc.Diodes - Rectifiers - SingleMfr: Nexperia USA Inc.Series: -Package: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Diode Type: SchottkyVoltage - DC Reverse (Vr) (Max): 40 V

PMEG4030EP,115 is a 40V, 3A Schottky rectifier in a SOD-128 package. Key alternatives include pin-compatible upgrades with higher voltage ratings and functional alternates in different packages that require board redesign.

AI replacement insight

Electrical risklow

Pin-compatible options have similar or better electricals, but Vf must be checked.

Package riskhigh

Many functional alternates are in different packages (SMB, SMA) and require a PCB redesign.

Sourcing risklow

Multiple alternatives exist from various manufacturers.

Can it be replaced directly?

Direct replacement for PMEG4030EP,115 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Use PMEG6030EVPX for a direct, upgraded replacement.

Main risk

The main risk is selecting an alternative with a different package or a higher forward voltage, which can impact board layout and circuit efficiency.

Recommended alternatives

2
PMEG6030EVPX package
PMEG6030EVPX

Nexperia USA Inc.

Needs validationlow risk

A potential pin-compatible upgrade from the same manufacturer with higher voltage and temperature ratings.

View details

Alternative comparison matrix

Feature / factorPMEG4030EP,115PMEG6030EVPXPMEG6030ELPXAlt 3Compatibility / risk
PackageSOD-128SOD-128SOD-128SOD-128 — Same package family (CFP5), likely compatible land pattern.; PMEG6030ELPX: Same package family, likely compatible land pattern.
Voltage40V60V60V60V — Higher voltage rating provides more design margin.; PMEG6030ELPX: Higher voltage rating provides more design margin.
Current3A3A3A3A — Current rating is identical.; PMEG6030ELPX: Current rating is identical.
Vf490mV @ 3A475mV @ 3A670mV @ 3A475mV @ 3A / 670mV @ 3A — Lower forward voltage improves efficiency.; PMEG6030ELPX: Significantly higher forward voltage will increase power loss.
Temperature150°C175°C175°C175°C — Higher max operating temperature.; PMEG6030ELPX: Higher max operating temperature.

Application & sourcing insights

Questions & answers

Verified drop-in options for PMEG4030EP,115 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.