Diotec 1n500x series standard 3a axial rectifier diodes diotec 1 n 5400 this rectifier diode is from a range of the most popular standard 3a axial rectifier diodes and has a vrrm of 50v a fast switching time makes this device suitable for a wide range of applications such as rectification and high current handling in switch mode power supplies diotec 1n5400 rectifier diode 3a 50v