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Miga S125-008 SMA Actuator


The S125 is a volume-ready SMA wire actuator, with MOSFET switching & protection circuitry directly onboard the PCB: allowing for a simple 3-wire interface. The ideal uses are as latch- or trigger- release mechanisms for battery-powered devices.

The S125 provides a stroke of 0.125" (3.2mm) and up to 2.0 pounds of force, but weighs less than 0.17 oz. (4.75 grams), providing a Force-to-Weight ratio of nearly 190:1. The overall envelope is 3.75 x 0.5 x 0.12” (95.25 x 12.5 x 3.18mm).

The S125 has a 3-wire interface: Voltage (+V), Enable (EN), and Ground (GD). The Enable voltage range is 2.5 volts to +V, but is typically a logic signal from a microprocessor. The actuator is energized whenever the Enable is raised ‘high’.

The data sheet for the S125 can be found on our Downloads page, and please contact us for STEP files for this product.
  • Model: S125-008
  • Shipping Weight: 0.01lbs
  • Manufactured by: Miga Motor Company

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