#1 Semiconductor, resistor, relay, capacitor, voltage regulator, fuse, LEDs, gauge, potentiometer, connector, crystal, switch, memory & diode source. AMD, Altera, Analog Devices, Osram, Philips, Fairchild, Motorola, Maxim, Sony, Sanyo, Samsung, Toshiba, ON semi, Signetics, Intel, AVX, IBM, XILINX.