





A 80 × 80 × 25 mm frame and 24 VDC rating define PF80252B1-1000U-S99, a DC axial fan for servers and data-center electronics. Up to 102 m³/h is its most prominent listed performance figure. Treat the system interface as a primary input to acoustic assessment. Match the exact part number before approving a substitute.
| Rated Voltage(V) | 24 |
|---|---|
| Size(mm) | 80*80*25 |
| Max.Air Flow(m³/h) | 102 |
| Input Power(W) | 3.72 |
| Speed(rpm) | 4800 |
| Noise(db) | 45.5 |
SUNON PF80252B1-1000U-S99 is a DC brushless axial fan for industrial equipment. It establishes forced airflow where passive cooling cannot adequately protect heat-producing assemblies.
The brushless DC motor architecture supports efficient electronic commutation and stable rotational performance for compact equipment cooling. Rigid mounting and clear breathing space help control vibration, flow loss and the acoustic result of the complete assembly.
For an orderly design-in process, assess vibration transfer around PF80252B1-1000U-S99 and perform airflow mapping during prototype approval. The result is a clearer cooling specification for engineering, purchasing and maintenance teams. Check how rotating forces couple into panels and sensitive assemblies.
Use the listed voltage, size, 102 m³/h airflow, 4800 rpm, and 3.72 W input for preliminary comparison.
It is listed for servers and data-center electronics. Check dimensions, airflow, pressure, and the installation environment against the actual equipment.
Confirm any missing bearing, connector, control, IP rating, life, certification, and performance-curve details for the complete part number.
Match voltage, dimensions, mounting, airflow direction, airflow, pressure, connector, control signal, and protection before substitution.
Compare its listed 3.72 W input with the required airflow and run time. Total savings depend on the complete system duty point.

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The PF60251B3-10000-A99 is SUNON's 12 VDC, 60 × 60 × 25 mm DC axial fan option for servers and data-center electronics. 102.1 Pa maximum pressure is the standout documented duty-point value. Use the documented cooling specification when planning design qualification. Match the exact part number before approving a substitute.
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