BAT54S – NXP

Overview

The Diotec Semiconductor BAT54S is a dual-Schottky diode array designed for low-voltage rectification and signal switching applications. Its key operational characteristic is the exceptionally low forward voltage drop (Vf), typically 1V at 200mA, which is critical for minimizing power loss in sensitive circuits. A significant design consideration when employing such low Vf devices is their susceptibility to leakage current (Ir) at elevated temperatures; while rated at 2µA, actual performance in high-temperature environments necessitates careful thermal management and circuit design to prevent performance degradation.

Key Features

• Dual Schottky Diode Configuration
• 200 mA Forward Current (If)
• 30 V Repetitive Reverse Voltage (Vrrm)
• 1 V Maximum Forward Voltage (Vf) @ 200 mA
• 2 µA Reverse Current (Ir) @ 30 V
• SOT-23-3 SMD/SMT Package (3.0 x 2.3 x 1.2 mm)

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

• Low-voltage power rectification in portable electronics
• Reverse polarity protection for sensitive ICs
• High-frequency signal coupling in RF front-ends
• Voltage clamping and transient suppression circuits