The AirTAC AirTAC SDA12X5S Compact Cylinder | 12mm Bore 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.
The AirTAC SDA12X5S is a double-acting single-rod compact cylinder engineered for extremely tight axial spaces. Utilizing a riveted body design, it saves mounting depth where standard round-body units fail to fit. It delivers a push force of 56.5 N and a pull force of 42.4 N at 0.5 MPa, operating effectively at speeds between 30 and 500 mm/s.
This specific model includes a built-in piston magnet (-S) for direct mounting of AirTAC reed or electronic switches along the body grooves. End-of-travel deceleration is handled by a fixed NBR bumper rather than an adjustable cushion. The 6 mm piston rod features a female M3x0.5 thread, and air connections use an M5x0.8 port.
| Model | AirTAC SDA12X5S Compact Cylinder | 12mm Bore |
|---|---|
| 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).
| 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.
| 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).
Drives delicate probe pins onto printed circuit boards with a 5 mm travel, utilizing the 56.5 N push force to ensure reliable electrical contact without damaging traces.
Toggles small directional valves in lab analytical equipment, where the short riveted body minimizes overall instrument width and the 2.9 kg vertical lift margin easily overcomes internal spring tension.
Pushes miniature plastic components out of an injection mold cavity, relying on the fixed NBR bumper to absorb the impact at the 5 mm stroke end without requiring external shock absorbers.
Selecting this 12 mm bore unit is ideal when footprint constraints demand minimal length, yielding a safe working load around 34 N (roughly 60% of the 56.5 N push at 0.5 MPa) or a vertical lift capacity of 2.9 kg with a 2:1 safety margin. If your application requires slightly more thrust, stepping up to the SDA16 provides 100.5 N of push force at 0.5 MPa. Keep in mind that a standard double-acting cylinder drifts when air pressure is lost or the valve is centered; the fixed bumper only slows the piston near stroke end and does not function as a locking brake. To maintain position without live pressure, integrate an external rod lock or pilot-operated check valve. When ordering, confirm the 5 mm stroke, M5x0.8 port, built-in magnet, and female M3x0.5 rod thread.
Quick checklist
This double-acting 12 mm bore cylinder generates a push force of 56.5 N and a pull force of 42.4 N at 0.5 MPa. At 0.7 MPa, the push increases to 79.2 N. The theoretical maximum push is 12 kgf at 1.0 MPa. It operates within a pressure range of 0.15-1.0 MPa and a speed range of 30-500 mm/s.
No, the piston will drift if air pressure is lost or the directional valve is centered. The fixed NBR bumper at each end only decelerates the piston near the stroke limits; it does not act as a brake. For load-holding requirements, you must add an external rod lock or a pilot-operated check valve.
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