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  1. I

    Whats wrong it wont work!

    Attached is a circuit diagram, it looks ok, I think!  but it wont work.  Can anyone suggest why it is not working.  all the components are suitable for 500vdc Cheers
  2. I

    switching high voltage supply

    I work in the R&D department for an electrolytic capacitor company. I have been asked to develop a completely automated data logging system using an Agilent aquasition unit. I have to measure 8 high voltage capacitors simultaneously, these capacitors will be measured for internal pressure...
  3. I

    mosfet problem

    Hello, I am trying to switch 500vdc supply, I am using (Transistor,MOSFET,N Channel,SPP02N60S5) supplied buy RS. Problem - the 500v supply is on wether or not the gate has a supply. Attached is a sketchy schematic. Please, please can someone help? Many Thanks John
  4. I

    mosfet mayhem

    Hello all, I am having trouble creating a circuit that will switch a 500v DC supply on and off, I have tried but failed.  I confess I don
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