Micro Pin Puller (uD3PP)

Micro Pin Puller (uD3PP)

Price on request

Straight forward release actuator locking mission-critical subsystems during launch and releasing them safely on orbit. The DCUBED Micro Pin Puller (uD3PP) is a Shape Memory Alloy (SMA) based release actuator which locks sensitive equipment during launch and safely releases it on orbit. It is one of the smallest, yet powerful HDRM solutions on the market. Moreover, it is easily field-resettable, easy-to-use and readily available as a COTS component.


uD3PP DCUBED DataSheet


Vendor: DCUBED
Sold By : DCUBED Category:


  • Front and Rear Field Resettable in Seconds, up to 400 times
  • Short Delivery Time (6-8 weeks)
  • Fully Redundant Actuation
  • Smart SMA Trigger
  • Very Low Shock
  • Shear Load >300N
  • Body Size: 25 x 25 x 25mm
  • Mass: 80grams
  • Surface Treated Stainless Steel
  • Temperatures: -35 C to +80 C
  • Actuation Sensor
  • Customizable Interfaces
  • Export Limitation Free

DCUBED also offers a counterpart micro Release Nut which can be viewed here.


Premium Custom
Body Size (L x W x H) 25 x 25 x 25 mm (Standard Interface) Custom x 25 mm height (min.)
Mass ~80 g Variable
Material 1.4404/316L 1.4404/316L
Operating temperature range -35oC to 80oC (TBC) -35oC to 80oC
Pin dimensions Ø5mm x 6.5 mm protrusion Modifiable
Stroke 6.5 mm Modifiable
Brushing dimensions Ø9 mm x 4.5 mm depth Modifiable
Maximum actuation sideload ~150 N1 ~150 N1
Rapid resettability Yes, using Ø3 mm hole in the back Yes, using Ø3 mm hole in the back
Redundancy Yes, the secondary actuation line Yes, the secondary actuation line
Internal actuation sensor Yes (Leads: AWG 28) If requested
Shock Pad Yes If requested

1 Preliminary estimate only, based on early tests of prototypes. Achieved with the internal application of a space certified solid lubricant (Molykote 106). Take care when placing optics in proximity to the mechanism.