MCM Electronics

Small Push-Pull Solenoid By Adafruit Industries (412)

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$9.49 
MSRP: $9.95
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Specifications Top

Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature (a slug of 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 fairly small, with a 30mm long body and a 'captive' armature with a return spring. This means that when activated with up to 24VDC, the solenoid moves and then the voltage is removed it springs back to the original 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.

To drive a solenoid you will a power transistor and a diode, check this diagram for how to wire it to an Arduino or other microcontroller. You will need a fairly good power supply to drive a solenoid, as a lot of current will rush into the solenoid to charge up the electro-magnet, about 100mA, so don't try to power it with a 9V battery!

Features
  • 24 DC operation (you can use 9-24 DC volts, but lower voltage results in weaker/slower operation)
  • Push or pull type with 5.5 mm throw
  • DC coil resistance: 100 ohms
  • 5 Newton starting force (24VDC)
  • 1.4 oz / 39 grams
Part Numbers
MCM Part #:28-17451
Adafruit Industries Part #:412
Package Specifications & Dimensions
Weight:0.025 lbs.
Hazardous:No
RoHS Comp:Yes
Warranty:180 days
Need to Return?
Length:4 in.
Width:2.5 in.
Height:0.05 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:
MCM Cat 57, Page 746
View in Catalog

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Take 15% your order through Tuesday using promo code EMD384. Some exclusions apply.
Take 15% your order through Tuesday using promo code EMD384. Some exclusions apply.