Description
Mini Push-Pull Solenoid ★ 30-day money-back guarantee ★ Lifetime replacement guarantee → Get the Right Key for Your Tools
Solenoids are basically electromagnets: they are made of a coil of copper wire with an armature (a slug of all-metal) in the middle. When the coil is energized, the slug is pulled into the center of the coil. This makes the solenoid able to pull (from one end) or push (from the other).
This solenoid in particular is very small, with a 20mm lengthy body and a ‘captive’ armature with a return spring. This means that when activated with ~5VDC, the solenoid moves and then the voltage is removed it springs back to the genuine position, which is quite handy. Many lower cost solenoids are only push type or only pull type and may not have a captive armature (it’ll fall out!) or don’t have a return spring. This one even has nice mounting tabs, its a great all-purpose solenoid.
We also have a slightly bigger small push-pull solenoid and a huge large push-pull solenoid in the store!
To drive a solenoid you will need a power transistor and a protection diode, check
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