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Novice1

Solenoid driver circuit

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Hai everyone...does anybody know what suitable diode for the picture I attach here?This picture I get from Livewire 1.11 pro (so as the design also from the sample provided by the software).

post-62249-1427914431708_thumb.jpg

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Hi Novice1,

the type of diode used depends largely on the solenoid.

The more current the solenoid pulls the higher the EMF pulse.

For solenoids in the order of a miniature relay a 1N4148 will suffice.

For high power solenoids I recommend using Schottky diodes like SBxx.

HtG

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How much current does the solenoid need?

What's the current rating of the push button switch?

You might be able to omit the MOSFET and drive the solenoid directly from the switch.

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