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Best Alternatives to US5MC

Package: SMCMDD(Microdiode Semiconductor)DiodesReverse Voltage (Vr): 1000 VForward Current (If): 5 AForward Voltage (Vf): 1.65 VReverse Recovery Time (trr): 75 nsReverse Leakage Current (Ir): 5 uA

US5MC is a 1000V, 5A ultra-fast recovery rectifier in a standard SMC package, used in high-frequency power supplies and inverters. Finding a suitable alternative requires matching voltage, current, package, and critically, the reverse recovery time (trr).

AI replacement insight

Electrical riskhigh

Using a slower diode will cause excessive heat and likely failure in high-frequency applications.

Package risklow

The SMC package is standardized, so mechanical fit is rarely an issue.

Can it be replaced directly?

Direct replacement for US5MC should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Upgrade to US8MC for higher current handling or use US5MC from an alternate manufacturer as a direct second source.

Main risk

Mismatching the diode's recovery speed by using a slower standard or fast-recovery type, which can cause circuit failure.

Recommended alternatives

2
US5MC package
US5MC

Wild Goose

Needs validationlow risk

A direct pin-compatible second-source from an alternate manufacturer with identical key electrical parameters and package.

View details

Alternative comparison matrix

Feature / factorUS5MCUS5MCUS8MCAlt 3Compatibility / risk
PackageSMCSMCSMCSMC — Package matches.; US8MC: Package matches.
Voltage1000V1000V1000V1000V — Voltage rating matches.; US8MC: Voltage rating matches.
Current5A5A8A5A / 8A — Current rating matches.; US8MC: Higher current rating is a safe upgrade.
ApplicationUltra-Fast Recovery (~75ns)Ultrafast (~75ns)Ultrafast (~75ns)Ultrafast (~75ns) — Recovery time matches target's ultra-fast spec.; US8MC: Recovery time matches target's ultra-fast spec.
Forward Voltage1.65V-1.7V1.7V — Slightly higher forward voltage, minor impact.

Application & sourcing insights

Questions & answers

Verified drop-in options for US5MC 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.