ProjectsPricingInsights

Best Alternatives to STPS2H100U

Package: DO-214AA, SMBSTMicroelectronicsDiodes - Rectifiers - SingleSeries: -Package: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Voltage - DC Reverse (Vr) (Max): 100 VCurrent - Average Rectified (Io): 2AVoltage - Forward (Vf) (Max) @ If: 790 mV @ 2 A

STPS2H100U is an automotive-grade 100V, 2A Schottky rectifier in an SMB package, optimized for low switching losses. When seeking alternatives, prioritize matching the Schottky technology, low forward voltage, and AEC-Q101 qualification.

AI replacement insight

Electrical riskmedium

Most substitutes have a higher forward voltage, increasing power loss.

Package risklow

All reviewed candidates use a compatible SMB package.

Firmware risklow

Not applicable for a discrete diode.

Can it be replaced directly?

Direct replacement for STPS2H100U should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The best path is to select an AEC-Q101 qualified Schottky diode like MBRS3200T3G, which offers upgraded voltage and current ratings while maintaining the core technology and package.

Main risk

The main risk is increased power dissipation due to a higher forward voltage (Vf) in substitutes, potentially leading to overheating.

Recommended alternatives

2
MBRS3200T3G package
MBRS3200T3G

onsemi

Needs validationlow risk

AEC-Q101 qualified Schottky with higher voltage/current ratings in the same SMB package.

View details

Alternative comparison matrix

Feature / factorSTPS2H100UMBRS3200T3GUMW SS510BAlt 3Compatibility / risk
PackageSMBSMB (DO-214AA)SMBSMB (DO-214AA) — Package is form-fit compatible.; UMW SS510B: Package is form-fit compatible.
Diode TypeSchottkySchottkySchottkySchottky — Both are Schottky rectifiers.; UMW SS510B: Both are Schottky rectifiers.
Voltage100V200V100V200V / 100V — Higher voltage rating provides more margin.; UMW SS510B: Voltage rating is identical.
Current2A3A5A3A / 5A — Higher current rating provides more margin.; UMW SS510B: Higher current rating provides more margin.
Forward Voltage0.65V @ 2A0.84V @ 3A-0.84V @ 3A — Slightly higher Vf, review thermal impact.
ApplicationAEC-Q101AEC-Q101Not specifiedAEC-Q101 / Not specified — Both are automotive qualified.; UMW SS510B: Candidate is not AEC-Q101 qualified.

Application & sourcing insights

Questions & answers

Verified drop-in options for STPS2H100U 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.