

Within servers and data-center electronics, SUNON PF80251B1-000U-S99 serves as a 80 × 80 × 25 mm DC axial fan operating at 12 VDC. 102.1 Pa maximum pressure is the standout documented duty-point value. Treat the sound level as a primary input to mounting verification. Validate mounting and wiring from the model drawing.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 80x80x25mm |
| Max.Air Flow(m³/h) | 101.9 |
| Max.Pressure(Pa) | 102.1 |
| Input Power(W) | 4.1 |
| Speed(rpm) | 4800 |
| Noise(db) | 47.5 |
Designed for industrial equipment, the SUNON PF80251B1-000U-S99 provides DC brushless axial fan cooling in a format suited to equipment integration. It helps limit local heat buildup during operation.
The SUNON product series carries RoHS compliance and recognized safety approvals; buyers should confirm the approval marks for this exact suffix and target market.
For PF80251B1-000U-S99 integration, prioritize inlet clearance. Include wiring verification in engineering approval, and confirm the full model interface during prototype approval. This supports reliable cooling and traceable purchasing. Match polarity, leads and control functions to the equipment harness. The final assembly should be tested under its expected thermal load.
Compare its listed 4.1 W input with the required airflow and run time. Total savings depend on the complete system duty point.
The listed speed is 4800 rpm. Confirm frequency, control method, and duty point for the installed system.
Verify supply, wiring, obstructions, impeller movement, and protection status. Use the model datasheet before replacement or repair.
Yes. The worksheet lists up to 102.1 Pa; compare it with the system curve.
The worksheet lists 4.1 W input. Check supply capacity and operating conditions before commissioning.
The workbook marks the product as RoHS compliant. Confirm UL, TUV, VDE, or other project-specific approvals for the exact suffix.

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