Solenoid basics

What is a DC solenoid actuator?

A DC solenoid is an electromagnetic actuator. When current flows through the coil, a magnetic field is generated and attracts a movable iron core, creating short linear or mechanical motion.

TAKAHA focuses on solenoid actuators and electromagnetic motion components, not fluid-control solenoid valves.

Main Parts

Coil: copper winding that creates a magnetic field when energized
Plunger: movable iron core attracted by the magnetic field
Frame or yoke: magnetic path and mounting structure
Spring or mechanism: returns or holds the motion depending on design

Common Types

Pull solenoid: pulls the plunger inward
Push solenoid: outputs a pushing action through a push rod or mechanism
Latching solenoid: holds position without continuous power
Rotary solenoid: creates short angular motion