The 255N from EBM-Papst is a compact DC fan in a tubeaxial design, measuring 25 x 25 x 8 mm. It is designed for applications where space is limited but reliable cooling is a must. With an operating voltage of 5 VDC, it is perfect for electronics cooling in embedded systems and computer technology.
The fan is well-suited for OEM manufacturers and development engineers who need a quiet, energy-efficient cooling solution in a compact format.
- Voltage: 5 VDC (permissible range 4.5–5.5 VDC)
- Airflow: 3.5 m³/h (1.9 CFM)
- Speed: 9,600 rpm
- Power consumption: 0.4 W
- Noise level: 16 dB(A)
- Bearing type: Sintered sleeve bearings
- Housing and fan impeller made of fiberglass-reinforced plastic (GRP/PBT and GRP/PA respectively)
- Operating temperature: −10 to +70 °C
Reserv stocks original EBM-Papst parts and delivers quickly to Swedish customers. You can be sure that you receive genuine components of the right quality — directly from the wholesaler. See the datasheet on the product page for complete technical information.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 3.5 m³/h |
| Speed | 9600 rpm |
| Voltage | 5 VDC VAC |
| Motor frame | The housing is made of glass-fiber reinforced plastic (GRP/PBT) and has dimensions of 25 x 8 mm. Connection is made via single wires AWG 28. Standard packaging contains 48 units. Accessories such as protective grilles are available as an option. |
| Casing | glass-reinforced plastic (GRP/PBT), 25 x 8 mm |
| Impeller | The impeller is made of glass fiber reinforced plastic (GRP/PA) and has a diameter of 25 mm with a depth of 8 mm. The airflow direction is exhaust over the struts. The direction of rotation is counter-clockwise when viewed from the rotor side. At nominal speed, the impeller rotates at 9,600 rpm and provides an airflow of 3.5 m³/h. |
| Bearing type | sintered bearings / ball bearings |
| Rotation direction | counter-clockwise, viewed from the rotor side |
| Motor type | The motor is a DC axial fan motor designed for 5 VDC nominal voltage with an allowed voltage range of 4.5–5.5 VDC. The input power is 0.4 W at nominal operation. The operating temperature range is -10 to +70 °C. The motor is available with sleeve bearings or ball bearings. |
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