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Best Alternatives to CUS08F30,H3F

Package: USCToshiba Semiconductor and StorageDiodes - Rectifiers - SingleDiode type: Schottky barrier diodeReverse voltage: 30 VAverage rectified current: 800 mAPeak forward surge current: 5 AForward voltage: 0.40 V typ. at IF = 800 mA

CUS08F30,H3F is a 30V 0.8A Schottky diode in USC/SOD-323. The reviewed alternates need footprint review.

AI replacement insight

Electrical riskmedium

V/I pass, but Vf and Ct need checks

Package riskhigh

No kept part matches USC

Firmware risklow

No firmware impact expected

Sourcing riskmedium

Some MPN evidence has mfr conflicts

Can it be replaced directly?

Direct replacement for CUS08F30,H3F should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Use SS14 only for a redesign to SMA and after Vf, surge, and thermal checks.

Main risk

The main risk is package mismatch: USC/SOD-323 vs SMA or SMC.

Recommended alternatives

2
SS14 package
SS14

MDD

Needs validationhigh risk

SS14 is a 40V 1A Schottky option only if the board can change to SMA.

View details

Alternative comparison matrix

Feature / factorCUS08F30,H3FSS14SS310Alt 3Compatibility / risk
PackageUSC/SOD-323SMA/DO-214AC-SMA/DO-214AC — board change
Pinout2-pin diode2-pin diode-2-pin diode — not verified
Voltage30V40V-100V — large margin
Current0.8A1A-3A — higher rating
Temperature125C Tjmissing-missing — verify Tj
ApplicationSchottky rectifier-Schottky rectifierSchottky rectifier — same role

Application & sourcing insights

Questions & answers

Verified drop-in options for CUS08F30,H3F 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.