400NS/400NSR

      The 400NS/400NSR has  the following features including diffused series,available in normal & reberse polarity;industrial grade,avaiable in avalanche characteristic.
      The 400NS/400NSR tube diode uses two active elements (cathode and plate) and one passive element (the filament or heater). In typical operation, the cathode is heated by the filament, and the AC voltage is applied to the cathode. The heated cathode releases excited electrons that flow to the plate (anode) and become the rectified current. The diode allows current flow in only one direction. For example, if current were applied to the plate, electron flow could not occur, because the plate's electrons are not heated by the filament.
      In some instances, the filament is also the cathode. This is accomplished by connecting the AC voltage source to one of the filament's leads.
      An electronic component that acts like a one-way valve. As a discrete component or built into a chip, 400NS/400NSR is used in a variety of functions. Used as a rectifier, it is a key element in changing AC to DC by limiting current flow to a single direction. Diodes are used as temperature and light sensors and light emitters (LEDs). In communications, they filter out analog and digital signals from carriers and modulate signals onto carriers. In digital logic, they're used as one-way valves and as switches similar to transistors. See laser diode and PN junction.
      Diodes Incorporated (Nasdaq: DIOD) 400NS/400NSR is a leading manufacturer and supplier of high-quality discrete semiconductor products, serving the communications, computer, industrial, consumer electronics and automotive markets. The Company operates three Far East subsidiaries, Diodes-China (QS-9000 and ISO-14001 certified) in Shanghai, Diodes-Taiwan (ISO-9000 certified) in Taipei, and Diodes-Hong Kong. Diodes-China's manufacturing focus is on subminiature surface-mount devices destined for wireless devices, notebook, flat panel display, digital camera, mobile handset, set top box, DC to DC conversion, and automotive applications, among others.
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