Airtac SDA Ultra Thin Cylinder SDA12X5SB
The AirTAC Airtac SDA Ultra Thin Cylinder SDA12X5SB is a genuine double-acting COMPACT (thin) air cylinder with a Ø12mm bore and 5mm stroke, M5×0.8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
- BoreØ12 mm
- Stroke5 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM3×0.5 (F) / M5×0.8 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDA Ultra Thin Cylinder SDA12X5SB
The AirTAC SDA12X5SB is a double-acting, single-rod compact cylinder engineered for extremely tight axial spaces. It generates 56.5 N of push force and 42.4 N of pull force at 0.5 MPa. The riveted body design drastically reduces overall mounting depth compared to conventional round-body actuators, making it ideal for dense machinery layouts. Equipped with a built-in piston magnet (-S), it supports AirTAC reed or electronic switches via body grooves.
This specific configuration includes a male M5x0.8 threaded piston rod (-B), providing a robust coupling point for your load. The 6 mm piston rod operates within a hard-anodized bore, and stopping is managed by a fixed NBR bumper at each end rather than an adjustable air cushion. Operating speed ranges from 30-500 mm/s, with a maximum operating pressure of 1.0 MPa.
Airtac SDA Ultra Thin Cylinder SDA12X5SB Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA12X5SB |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø12 mm |
| Stroke | 5 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod end thread | M3×0.5 female / M5×0.8 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 50 mm |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
Theoretical Output Force (Ø12mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 57 N | 42 N |
| 0.7 MPa | 79 N | — |
| Max (@1.0 MPa) | 12 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SDA Ultra Thin Cylinder SDA12X5SB
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×5 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Where the Airtac SDA Ultra Thin Cylinder SDA12X5SB Is Used
PCB Probe Testing
Provides precise 5 mm downward travel to press test probes onto printed circuit boards without damaging the delicate traces.
Micro-Part Ejection
Pushes small plastic or metal components out of an injection mold cavity where mounting depth is severely restricted.
Lab Dispenser Actuation
Drives a micro-pneumatic dispensing head for exact adhesive deposition in automated laboratory equipment.
Is the Airtac SDA Ultra Thin Cylinder SDA12X5SB the Right Cylinder?
When sizing this 12 mm bore actuator, note that the safe working load is approximately 34 N (about 60% of the 56.5 N push force at 0.5 MPa), allowing a vertical lift of roughly 2.9 kg with a 2:1 safety margin. If your application requires less force, you must step down to a smaller bore, but since 12 mm is the smallest available SDA size, stepping up to the SDA16 (which provides 100.5 N push at 0.5 MPa) is your next option for higher load capacity. Keep in mind that a plain compact cylinder does not hold its position when air is lost or the valve is centered; the piston will drift, and the fixed bumper only decelerates it near the stroke end. For load holding, an external rod lock or pilot-operated check valve is required. To order, confirm the 12 mm bore, 5 mm stroke, M5x0.8 port, built-in magnet (S), and male M5x0.8 rod thread (B).
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short-body depth vs. a round-body cylinder
- ✓ Port/thread type (PT)
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
- ✓ Side load — avoid on a compact rod
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the short piston rod.
- check Very long strokes are unsuitable for the compact body.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDA Ultra Thin Cylinder SDA12X5SB FAQ
This double-acting 12 mm bore cylinder provides 56.5 N push and 42.4 N pull at 0.5 MPa, 79.2 N push and 59.4 N pull at 0.7 MPa, with a theoretical maximum push of 12 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa, proof pressure is 1.5 MPa, and speed ranges from 30-500 mm/s.
No, the SDA12X5SB uses a fixed NBR bumper at each end to decelerate the piston. It is not an adjustable air cushion. For high-speed or high-energy cycles, you should add an external shock absorber or slow down the approach speed.
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