ST HIT ON KEC PH NS VISHAY TI ADI Maxim Microchip NXP Freescale VICOR ADI Linear Altera ISC china 正泰 BB Fairchild EVERLIGHT/亿光 Xilinx NEC Infineon Atmel CY Fuji IR国际整流器 Intel MITSUBISHI Avago SEMIKRON TOS Intersil TOY日本罗姆 Samsung 松下 IXYS 风华 VIS MOTOROLA AMD