Fans
Fans EFB0412VHD 4020 40mm 12V 0.18A 9000rpm case fan
A 40 mm dual-ball-bearing axial fan moves 12 CFM at 9000 rpm with 35 dBA noise
- Double ball bearing extends fan lifespan
- 9000 rpm delivers strong airflow for tight spaces
- 12 CFM air volume cools compact heat exchangers
- 35 dBA noise level keeps operation quiet
- 44 W power draw minimises energy use
Compact 40 mm 12 V case fan
The Fans EFB0412VHD is a 40 mm square axial fan designed for tight chassis locations where a low-profile cooler is required. It runs on 12 V and draws 0.18 A for a total power draw of 1.44 W. The double ball bearing supports continuous operation in industrial or enthusiast systems.
Thermals noise and power draw
At 9000 rpm the fan delivers 12 CFM of airflow while producing a stated noise level of 35 dBA. The 1.44 W power consumption keeps heat output minimal inside the case. Double ball bearing construction helps maintain consistent speed and acoustic profile over extended use.
Build quality and mounting implications
The 40 mm by 40 mm frame with a 20 mm depth fits standard 4020 mounting holes without adapters. Double ball bearings reduce wear compared to sleeve alternatives in high-rpm scenarios. The two-wire 12 V connection integrates directly into typical fan headers or controller channels.
Highlights
- Double ball bearing extends fan lifespan
- 9000 rpm delivers strong airflow for tight spaces
- 12 CFM air volume cools compact heat exchangers
- 35 dBA noise level keeps operation quiet
- 44 W power draw minimises energy use
Specifications
No published specifications for this item yet.
Questions about this item
How do I install the EFB0412VHD 40mm fan in a tight chassis, and what step is often missed?
Mount the 40×40×20 mm frame with four screws, then connect the 12 V lead; the step often missed is confirming the double ball bearing orientation so the airflow direction matches the heatsink fins.
What maintenance will the double ball bearing need over time?
The double ball bearing is sealed and rated for continuous 9000 rpm operation; no relubrication is required, but dust buildup on the blades should be cleared with compressed air every few months to keep noise at 35 dBA.
What limit appears first when the fan runs at 9000 rpm for long periods?
The 1.44 W power draw at 0.18 A is the first sustained limit; ensure the 12 V rail can supply the current without voltage droop, otherwise speed and airflow (12 CFM) will drop.
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