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Schottky Diode
A 1N5819 Schottky diode rated at 1A and 40V. Schottky diodes are characterised by their low forward voltage drop (typically ~0.3V) and very fast switching sp...
A 1N5819 Schottky diode rated at 1A and 40V. Schottky diodes are characterised by their low forward voltage drop (typically ~0.3V) and very fast switching speed, making them ideal for flyback protection on motor driver circuits, reverse polarity protection, and high-frequency rectification.
Specifications
- Part Number – 1N5819
- Peak Reverse Voltage – 40V
- Forward Current – 1A
- Forward Voltage Drop – ~0.3V (low drop)
- Type – Schottky barrier rectifier
Ideal For
- Flyback/freewheel protection on motor drivers (e.g. L298N)
- Reverse polarity protection circuits
- High-frequency rectification and power supply designs
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- Forward voltage drop
- Forward voltage drop is the small amount of voltage lost across a diode or diode-like circuit when current flows through it. A lower drop is important because it wastes less power and helps keep the rest of the project supplied with enough voltage.
- motor driver
- An electronic circuit that lets a low-power controller switch and control a motor that needs more current than the controller pins can safely provide. Checking motor driver support matters because pumps and motors usually cannot be connected directly to a microcontroller output.
- reverse polarity protection
- A circuit feature that helps protect the board if power is connected the wrong way around. It matters because it can reduce the chance of damaging the breakout during wiring mistakes, especially in classroom or prototyping use.
Find this product in
1N5819 Schottky Diode Datasheet
Datasheet · 403.9 KB · Click any page to view full size
Supplier page — sparkfun.com
Supplier Description · 282.7 KB · Click any page to view full size
Related Tutorials
Free guides on learn.littlebird.com.au
