

The ASB0405HHA is a 5VDC brushless fan for electronic equipment cooling. Its 40 x 40 x 10 mm construction and 0.65 W listed input define a shallow, low-input option, with a 7000 rpm speed specification.
| Rated Voltage(V) | 5 |
|---|---|
| Size(mm) | 40×40×10 |
| Max.Air Flow(m³/h) | 13.9 |
| Max.Pressure(Pa) | 47.3 |
| Input Power(W) | 0.65 |
| Speed(rpm) | 7000 |
| Noise(db) | 29.5 |
For custom thermal-management equipment, the ASB0405HHA from Delta is a brushless DC axial fan that supports active thermal management. A planned inlet-to-outlet route helps the installation carry component heat away.
Its listed 40 x 40 x 10 mm format defines the space needed for installation, helping designers reserve room for adjacent components and cable routing. The axial layout moves air along the fan axis, supporting a direct ventilation route through the equipment opening. Selecting the operating point against real pressure loss helps avoid oversizing and keeps thermal design focused on useful air delivery.
For OEM design-in and replacement sourcing, confirm the full suffix, connector and mounting pattern to support dependable service in the intended assembly.
In electronic equipment, Delta ASB0405HHA helps remove heat from heat-generating circuit assemblies. The cooling solution addresses localized heat buildup to support thermal stability.
For custom thermal-management equipment, Delta ASB0405HHA provides equipment cooling around enclosed components. Managing restricted airflow paths helps maintain repeatable equipment cooling.
The provided parameters do not prove a cost saving. Compare purchase price, power at the real operating point, service access, expected life and downtime risk for the complete cooling system.
The workbook lists a maximum airflow of 13.9 m3/h. This is not the airflow at every system resistance; use the applicable pressure-flow curve to identify the installed operating point.
Suitability depends on thermal margin, operating temperature, alarm or feedback requirements and system redundancy. Qualify ASB0405HHA at the actual duty point; the model name alone is not a reliability guarantee.
Allow for the listed 40 x 40 x 10 mm size and follow the exact mounting drawing. Keep inlet and outlet clear, use the specified fasteners and verify wiring before energizing the fan.
ASB0405HHA is listed for Electronic Equipment cooling. Confirm the installed airflow demand, pressure loss and ambient conditions before approval.
0.65 W is shown in the filter data. Check whether the corresponding datasheet defines it as rated, free-air or maximum-load input before sizing the power source.