Powerex - A manufacturer of semiconductors, power semiconcutors, rectifier, diode, thyristor, SCR, assemblies, modules, insulated gate bipolar transistor, intelligent power modules, transistor, fast recovery, electronic component, darlington, gate driver, trench gate and discrete products Dynex Semiconductor Ltd. - Independent manufacturer of discrete and modular IGBTs, FRD devices, GTO/asymmetric/phase control thyristors, power assemblies, silicon-on-sapphire ICs,SAW devices, ASPM, and automotive systems. GD Rectifiers Ltd - Custom power semi conductors, including single and three phase selenium rectifier bridges, power modules and heatsink assemblies. Boca Semiconductor Corp. - Manufacturer of discrete semiconductor components, bridge rectifiers, diodes, transistors, MOSFETs, SCRs and TRIACs. Won-Top Electronics Co., Ltd. - Designer and manufacturer of power semiconductors, diodes and rectifiers. Invac - Manufacture a range of leaded and surface mount diodes. Including fast/Schottky diodes, transient voltage suppression diodes, fixed voltage diodes and rectifier diodes. DC Components Co Ltd - Manufacturer of diode rectifiers, bridge rectifiers, axial lead rectifiers, surface mount rectifiers. Naina Semiconductor Ltd. - Manufacturers of rectifier diodes, schottky diodes, power diodes, modules, thyristors and bridge rectifiers. From India. Union Optronics Corp. - Manufacturers epi-wafer, laser diodes chips, lds for dvd, f-p laser and packaged laser diodes.