STMicroelectronics 1N5817 Schottky Rectifier, 20V, 1A, 2-Pin DO-41

The STMicroelectronics 1N5817 is a high-performance Schottky rectifier engineered for efficiency and speed. Its defining characteristic is an extremely low forward voltage drop, which results in minimal conduction losses and significantly improved power conversion efficiency compared to standard diodes. This device also features negligible switching losses and an extremely fast switching speed, making it an ideal choice for modern, high-frequency applications.

Designed with robust avalanche capability, the rectifier can handle transient voltage spikes, enhancing system reliability. It is specified for a high forward RMS current and a substantial repetitive peak avalanche power, ensuring stable operation under demanding conditions. Its compact through-hole design in the industry-standard DO-41 (DO-204AL) package allows for easy integration into a wide range of circuit board layouts.

Primary Applications

This rectifier is perfectly suited for high-frequency DC-to-DC converters, where its fast switching and low losses are critical for performance. It is also an excellent component for low-voltage, high-frequency inverters, freewheeling diodes, polarity protection circuits, and efficient small battery chargers. Its characteristics make it a cornerstone in power management and safety-critical designs.

Key Specifications

• Repetitive Peak Reverse Voltage: 20 V
• Average Forward Current: 1 A
• Forward Voltage Max: 450 mV
• Forward Surge Current: 25 A
• Forward RMS Current: 10 A
• Repetitive Peak Avalanche Power: 1200 W
• Diode Configuration: Single
• Operating Temperature Max: 150°C
• Package: DO-41 (DO-204AL), 2-pin, through-hole

By selecting the 1N5817 Schottky Rectifier, you are incorporating a component that delivers superior efficiency, fast switching, and reliable protection, making it a smart,