Diotec er2 series 2a smd superfast switching rectifier diodes diotec er2d a 2a smd rectifier diode in a an smb case and with a v sub rrm sub of 200v this superfast switching device is ideal for use in switched mode power supply output rectification electronic lighting ballasts and general high frequency switching circuits er2d diotec silicon rectifier diode 2a 200v