

A listed 0.35 W input is the standout selection point of EFB0405LA-F00 for industrial electronics. This 5VDC axial fan uses a 40 x 40 x 10 mm frame and a 4000 rpm rotor for its compact cooling format.
| Rated Voltage(V) | 5 |
|---|---|
| Size(mm) | 40*40*10 |
| Max.Air Flow(m³/h) | 6.358 |
| Input Power(W) | 0.35 |
| Speed(rpm) | 4000 |
| Noise(db) | 20.5 |
The EFB0405LA-F00 addresses ventilation needs in electronic equipment. Delta's brushless DC axial fan format allows cooling airflow to be integrated alongside the equipment's heat-producing assemblies.
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 series uses ball-bearing motor support for rotational durability, giving OEMs a service-life-oriented construction for equipment cooling. Selecting the operating point against real pressure loss helps avoid oversizing and keeps thermal design focused on useful air delivery.
It suits engineering buyers who need a defined cooling component. Verify the exact wiring and environmental limits before approving long-term installation.
In power-supply equipment, air movement helps handle electrical conversion losses. Delta EFB0405LA-F00 supports cooling around power-conversion components, contributing to dependable power delivery.
Delta EFB0405LA-F00 supports cooling in industrial control equipment. Air circulation around controllers and electronic modules helps manage heat accumulated within enclosures, supporting stable automation operation.
In energy equipment, Delta EFB0405LA-F00 helps remove heat from electrical conversion assemblies. The cooling solution addresses recurring thermal loads to support reliable equipment operation.
For electronic equipment, Delta EFB0405LA-F00 provides equipment cooling around heat-generating circuit assemblies. Managing localized heat buildup helps maintain thermal stability.
EFB0405LA-F00 is listed for Industrial Equipment cooling. Confirm the installed airflow demand, pressure loss and ambient conditions before approval.
4000 rpm is listed in the workbook. This value alone does not establish adjustable-speed capability; confirm the control input and permitted operating range in the exact datasheet.
In Stock is shown in the workbook, but this is not a delivery guarantee. Confirm the complete part number, quantity, current inventory and committed lead time when ordering.
The workbook lists a maximum airflow of 6.358 m3/h. This is not the airflow at every system resistance; use the applicable pressure-flow curve to identify the installed operating point.
The listed input-power figure is 0.35 W, but efficiency must be evaluated at the required airflow and pressure. Check the applicable fan curve and test conditions before comparison.

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