The 1N5408 is a 3-amp general-purpose silicon rectifier diode manufactured by SunMate. This diode features a DO-201AD package, which is a hermetically sealed, axial leaded diode. It has a maximum repetitive rating of 1000 volts and a maximum operating temperature of 175°C. The 1N5408 has a forward voltage drop of 1.2 V and can be used for both AC and DC applications. It is also RoHS compliant, meaning that it does not contain any hazardous substances which may be harmful to both the environment and human health.