BAT54J / W / AW / CW / SW is a small signal Schottky diode from Texas Instruments with very small conduction losses, negligible switching losses and low forward voltage drop, encapsulated in SOT-323 or SOD-323 small SMD packages.
The BAT54 series are small‑signal Schottky barrier diodes offered in SOT‑323 and SOD‑323 surface‑mount packages. The document provides key features such as very low forward voltage drop, negligible switching loss and suitability for high‑density applications.
Detailed specifications include absolute ratings, thermal resistance, static and dynamic electrical characteristics, as well as mechanical dimensions for each package type. Ordering information and recommended handling notes are also provided.
| Repetitive peak reverse voltage (Vr) | 30 V |
|---|---|
| Continuous forward current (IF) | 0.3 A |
| Surge forward current (IFsm) | 1 A |
| Power dissipation (SOD‑323) | 230 mW |
| Maximum storage temperature | -65 °C to +150 °C |
| Maximum junction temperature | 150 °C |
| Maximum soldering temperature (10 s) | 260 °C |
| Thermal resistance (junction‑to‑ambient, SOD‑323) | 550 °C/W |
The BAT54 series is rated for a repetitive peak reverse voltage of 30 V.
The maximum continuous forward current is 0.3 A.
The diodes are offered in SOT‑323 and SOD‑323 surface‑mount packages.
The maximum soldering temperature for 10 seconds is 260 °C.