Sparkfun Electronics SparkFun Diode Rectifier - 1A, 400V (1N4004)

This Diode Rectifier - 1A, 400V (1N4004) is a simple, subminiature size, axial lead mounted rectifier. Often used for reverse voltage protection, the 1N4004 is a staple for many power, DC to DC step up, and breadboard projects. The 1N4004 is rated for up to 1A/400V.