Semtech 1N5819W ST Schottky Barrier Rectifier Diode (SOD-123) Product Overview The 1N5819W ST is a high-efficiency Schottky Barrier Rectifier designed for low forward voltage drop and fast switching performance. It is widely used in power management circuits, DC-DC converters, polarity protection, and high-frequency switching applications where efficiency is critical. Manufactured using advanced Schottky technology, this diode provides excellent reliability while minimizing power loss. ⸻ Key Features * Low Forward Voltage Drop * Fast Switching Speed * High Current Capability * Low Power Dissipation * Excellent Thermal Performance * Surface Mount SOD-123 Package * RoHS Compliant * Lead-Free Construction * High Reliability for Industrial Applications ⸻ Product Specifications Parameter Value Part Number 1N5819W ST Device Type Schottky Barrier Rectifier Package SOD-123 Maximum Repetitive Reverse Voltage (VRRM) 40 V Average Forward Current (IF) 1 A Peak Surge Current 25 A Forward Voltage (VF) Approximately 0.45–0.6 V Operating Junction Temperature -55°C to +125°C Mounting Type Surface Mount (SMD) Compliance RoHS ⸻ Applications * Switching Power Supplies (SMPS) * DC-DC Converters * Battery Charging Circuits * Reverse Polarity Protection * Solar Power Systems * Automotive Electronics * LED Drivers * Consumer Electronics * Industrial Equipment * Power Management Modules ⸻ Benefits * Reduces power loss * Improves system efficiency * Compact SMD package * High-speed switching performance * Reliable operation in demanding environments * Suitable for automated SMT assembly ⸻ Packaging Information * Product: 1N5819W ST * Package: SOD-123 * Reel Quantity: 3, 000 Pieces Reel * Packaging Type: Tape & Reel ⸻