1N5819 / SS14 Schottky Diode (SOD-123) ⚡

The 1N5819 SS14 Schottky Diode in a compact SOD-123 package offers fast switching and a low forward voltage drop, making it ideal for high-efficiency power designs. Engineered for reliability across a wide temperature range, it’s a dependable choice for power supply, rectification, and polarity protection in both professional and hobbyist projects—perfect alongside Arduino, Raspberry Pi, and other microcontroller platforms.

Key Features 🔋

• Low VF (forward voltage drop): minimizes conduction losses for improved efficiency
• Fast switching (~35 ns): suitable for high-frequency SMPS and DC-DC converters
• 1 A forward current: supports a wide range of electronics components and modules
• Wide operating temperature: stable performance from -55°C to +125°C
• SOD-123 package: small footprint for high power density designs

Technical Specifications 📐

• Forward Voltage Drop (max): 0.45 V
• Average Forward Current (IF): 1 A
• Switching Time (fast): approximately 35 ns
• Operating Temperature Range: -55°C to +125°C
• Package Type: SOD-123
• Efficiency / Power Density: High

Typical Applications 🔧

• Power supply units: efficient rectification and output OR-ing
• Battery chargers: reduced losses and improved thermal performance
• Switch-mode power supplies (SMPS): flyback/freewheel diode in buck/boost converters
• Display and lighting equipment: LED driver rectification and protection
• RF detection: detector and envelope circuits where fast response is beneficial
• Microcontroller projects (Arduino, Raspberry Pi): reverse-polarity protection and module isolation

Why Choose This Diode? ✅

• Energy-efficient design thanks to low VF, ideal for battery-powered systems
• High-speed performance that supports modern switching regulators
• Compact SMD footprint for dense PCBs and space-constrained designs

Design Tips for Engineers 💡

• Use adequate copper area on the PCB for thermal dissipation at higher currents.
• Observe polarity: the cathode (marked end) goes toward the higher potential in rectifier configurations.
• Verify voltage, current, and power dissipation limits in your application, especially in DC-DC converters.

Package Includes 📦

1 × 1N5819 SS14 Schottky Diode (SOD-123)