The 1N4986 is a discrete, 400V, 3 Amp Schottky Diode from Microchip Technologies. It has an average forward voltage drop of 900mV which is suitable for high efficiency power supplies, switching mode converters, free-wheeling applications, etc. The operating temperature range is –65°C to +175°C. It also has a maximum forward current of 3A and a maximum reverse voltage of 400V. The package is a SMA type.