optocouplers, optoelectronic components, switched mode power supply (smps) design, uninterruptible power supplies (ups), power supplies, rectifiers, power regulators, solid state relays, discrete semiconductors, analog switches, digital switches, power switches, timing circuits, high voltage direct current (dc) variable speed drives, video filters, monolithic integrated circuits (ic), noise suppressors, crosspoint high speed switches, cell phones, universal serial bus (usb) rs232 converters available from fairchild based in south portland, me. click the links below to visit our website or contact us via our profile page.