All Taiwan Semiconductor 5,979 Vishay Semiconductors 1,630 Rectron 1,098 Semtech 437 Microchip / Microsemi 409 IXYS 317 Comchip Technology 312 ON Semiconductor / Fairchild 213 GeneSiC Semiconductor 204 Vishay / Siliconix 188 Shindengen 162 Central Semiconductor 162 STMicroelectronics 98 ON Semiconductor 80 WeEn Semiconductors 79 Littelfuse 75 Micro Commercial Components (MCC) 65 Diodes Incorporated 44 Infineon Technologies 31 Bourns 30