BAT54SWT1G
onsemi
Needs validationlow risk
onsemi's BAT54SWT1G is a strong candidate with matching package, pinout, and key electrical ratings.
Best Alternatives to LBAT54SWT1G
The LBAT54SWT1G is a dual series Schottky diode in a SOT-323 package. Several strong alternatives exist from major manufacturers, including pin-compatible options and upgraded automotive-grade parts.
AI replacement insight
Electrical risklow
Risk is low if the 'series' configuration is correctly chosen.
Package risklow
SOT-323 is a standard package with consistent dimensions.
Sourcing risklow
The BAT54 series is a multi-source, widely available product family.
Can it be replaced directly?
Direct replacement for LBAT54SWT1G should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
BAT54SWT1G by onsemi offers a direct parametric match.
Main risk
The primary risk is using a part with a different internal diode configuration (e.g., common cathode/anode) instead of the required series configuration.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | LBAT54SWT1G | BAT54SWT1G | BAT54SWFILMY | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT-323 (SC-70) | SOT-323 (SC-70) | SOT-323 | SOT-323 (SC-70) — Package matches, enabling physical drop-in.; BAT54SWFILMY: Package matches, enabling physical drop-in. | |
| Pinout | 1 Pair Series | 1 Pair Series | Series | 1 Pair Series — Identical series configuration is essential for function.; BAT54SWFILMY: Identical series configuration is essential for function. | |
| Voltage | 30V | 30V | 40V | 30V / 40V — Voltage rating matches the target.; BAT54SWFILMY: Higher voltage rating provides increased design margin. | |
| Current | 200mA | 200mA | 300mA | 200mA / 300mA — Current rating matches the target.; BAT54SWFILMY: Higher current rating provides increased robustness. | |
| Capacitance | 10 pF | 7.6 pF | - | 7.6 pF — Lower capacitance is generally beneficial in high-speed circuits. | |
| Application | Commercial | - | AEC-Q101 | AEC-Q101 — Automotive qualification suggests higher reliability. |
Application & sourcing insights
Questions & answers
Verified drop-in options for LBAT54SWT1G 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.