Why won't Mosfet work?

Discussion in 'The Projects Forum' started by skg1106, Feb 17, 2012.

  1. skg1106

    Thread Starter New Member

    Feb 13, 2012
    Hi help please my knowledge of electronics is very basic and i am trying to operate a 230v ac solinoid with a dc SSR.i have attached a circuit diagram.
    What have i got wrong and what do i need to do?
    Assistance will be greatly appreciated.

    Mosfet is a TC4420
    Input is from a Dr Daq Logger 3v 1ma
    9 V 2a dc supply
    trying to operate a 3-32vdc SSR which has a trigger of 7.5ma/12v
    • IMG.pdf
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  2. kubeek

    AAC Fanatic!

    Sep 20, 2005
    You dont show pins 4 and 5 connected together, did you read the datasheet? Also, shouldn't you have some limiting resistor on the between the output and the ssr?