The 1N5619 is a rectifier diode manufactured by Microchip. It is a three-terminal device that performs a variety of functions, including rectification, protection and switching in direct current (DC) circuits. It features an ultra-fast reverse recovery time and low forward voltage drop. The 1N5619 is rated at a peak repetitive reverse voltage of 50 V and a maximum forward current of 3 A. It's temperature range is -55°C to +150°C, with a forward voltage drop of 0.90 V (typical) at 3 A. The 1N5619 is a surface mount device, making it suitable for high-temperature, compact applications.