Diotec Semiconductor has been manufacturing diodes and rectifiers for over 40 years.  Diotec is a leading manufacturer of semiconductors in the European market place.  Diotec has over 40 different product lines with factories in Germany, Slovenia, China and India. The product lines include high-voltage diodes (as high as 24kV), high-current press-fit diodes, bridge rectifiers, small-signal diodes & transistors, ultrafast & Schottky-junction rectifiers, diacs, and others.