

Equipment designers working with servers and data-center electronics can evaluate SUNON PF40281B2-Q020-S99, a DC axial fan rated at 12 VDC and sized 40 × 40 × 28 mm. 13000 rpm is the model's most distinctive operating parameter. Review its technical profile during airflow-path design. Obtain the applicable curve before final duty-point approval.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 40x40x28mm |
| Max.Air Flow(m³/h) | 30.6 |
| Max.Pressure(Pa) | 288.9 |
| Input Power(W) | 2.64 |
| Speed(rpm) | 13000 |
| Noise(db) | 48.7 |
SUNON PF40281B2-Q020-S99 brings active air movement to industrial equipment. This DC brushless axial fan helps equipment designers control thermal conditions around densely arranged parts.
The SUNON product series carries RoHS compliance and recognized safety approvals; buyers should confirm the approval marks for this exact suffix and target market. The enclosure should direct air across the heat source because bypass flow can reduce cooling even when the fan runs normally.
Design approval for PF40281B2-Q020-S99 should cover cable routing together with prototype trials during prototype approval. This creates a practical link between thermal validation, purchasing documentation and future servicing. Secure conductors away from the impeller and high-temperature components.
The worksheet lists 2.64 W input. Check supply capacity and operating conditions before commissioning.
Assess reliability from the exact bearing, temperature, protection, and life data. The supplied series note alone does not confirm every suffix-specific option.
The supplied row does not state the connector or lead configuration. Follow the model-specific wiring drawing.
Inspect for dust, blocked airflow, abnormal noise, loose mounting, and wiring damage. Isolate power before cleaning or service.
Stock and lead time can change. Confirm the exact suffix, quantity, and delivery date with the supplier before ordering.

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