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Best Alternatives to BAT54LT1G

Package: TO-236-3, SC-59, SOT-23-3onsemiDiodes - Rectifiers - SinglePackage: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Voltage - DC Reverse (Vr) (Max): 30 VCurrent - Average Rectified (Io): 200mAVoltage - Forward (Vf) (Max) @ If: 800 mV @ 100 mACurrent - Reverse Leakage @ Vr: 2 µA @ 25 V

Find pin-compatible and functional alternatives for the BAT54LT1G Schottky diode. This guide compares key parameters like voltage, current, and package to help you select a suitable replacement.

AI replacement insight

Electrical risklow

Key specs match, but minor parametric differences between vendors are possible.

Package risklow

SOT-23 is a standard package with consistent dimensions.

Sourcing risklow

BAT54 is a common part available from multiple manufacturers.

Can it be replaced directly?

Direct replacement for BAT54LT1G should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Use a cross-vendor equivalent like LBAT54ALT1G or another manufacturer's BAT54 single diode variant.

Main risk

The main risk is ensuring the replacement is a single Schottky diode in the correct SOT-23 pin configuration, not a series or common cathode/anode array.

Recommended alternatives

2
BAT54 package
BAT54

onsemi

Needs validationlow risk

BAT54 is a direct cross for the target, available from multiple vendors in the same SOT-23 package.

View details

Alternative comparison matrix

Feature / factorBAT54LT1GBAT54LBAT54ALT1GAlt 3Compatibility / risk
PackageSOT-23 (TO-236)SOT-23SOT-23SOT-23 — Package is physically compatible.; LBAT54ALT1G: Package is physically compatible.
Diode TypeSchottkySchottkySchottkySchottky — Both are Schottky diodes.; LBAT54ALT1G: Both are Schottky diodes, ensuring low forward voltage.
Voltage30V30V30V30V — Reverse voltage rating is identical.; LBAT54ALT1G: Reverse voltage rating is identical.
Current200mA200mA200mA200mA — Forward current rating is identical.; LBAT54ALT1G: Forward current rating is identical.
LifecycleActiveActive (multi-source) / Obsolete (onsemi)-Active (multi-source) / Obsolete (onsemi) — Ensure sourcing from an active manufacturer.
PinoutSingle Diode-Verified Single DiodeVerified Single Diode — Datasheet confirms pin-compatible single diode configuration.

Application & sourcing insights

Questions & answers

Verified drop-in options for BAT54LT1G 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.