

Equipment designers working with servers and data-center electronics can evaluate SUNON PF40561BX-Q020-S99, a DC axial fan rated at 12 VDC and sized 40 × 40 × 56 mm. 936.6 Pa maximum pressure is the standout documented duty-point value. Review its technical profile during spares assessment. Confirm control inputs against the complete ordering code.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 40x40x56 |
| Max.Air Flow(m³/h) | 53.9 |
| Max.Pressure(Pa) | 936.6 |
| Input Power(W) | 16.68 |
| Speed(rpm) | 18000/21500 |
| Noise(db) | 65.9 |
The SUNON PF40561BX-Q020-S99 positions a DC brushless axial fan for industrial equipment. Its airflow path supports heat removal from enclosed components and toward the equipment exhaust.
The SUNON product series carries RoHS compliance and recognized safety approvals; buyers should confirm the approval marks for this exact suffix and target market. Correct airflow direction and inlet clearance help translate the documented operating point into reliable equipment-level cooling.
Design approval for PF40561BX-Q020-S99 should cover cable routing together with power-budget review during sourcing review. This creates a practical link between thermal validation, purchasing documentation and future servicing. Secure conductors away from the impeller and high-temperature components.
The listed speed is 18000/21500 rpm. Confirm frequency, control method, and duty point for the installed system.
The supplied product-line reference discusses long-life cooling, but continuous-duty limits for this full suffix must be verified from its datasheet and operating conditions.
Keep the airflow path clear, secure the frame without distortion, and follow the exact wiring diagram and voltage rating.
The worksheet lists 16.68 W input. Check supply capacity and operating conditions before commissioning.
It is listed for servers and data-center electronics. Check dimensions, airflow, pressure, and the installation environment against the actual equipment.

For servers and data-center electronics, PF60252B2-10000-A99 combines 24 VDC operation with a 60 × 60 × 25 mm DC axial fan design. 124.5 Pa maximum pressure is the standout documented duty-point value. Use the documented speed benchmark when planning installation review. Obtain the applicable curve before final duty-point approval.
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The PF60252B1-10000-A99 is SUNON's 24 VDC, 60 × 60 × 25 mm DC axial fan option for servers and data-center electronics. 139.5 Pa maximum pressure is the standout documented duty-point value. Review its airflow profile during installation review. Obtain the applicable curve before final duty-point approval.
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Configured for servers and data-center electronics, SUNON PF60251V2-10000-A99 is a 12 VDC DC axial fan in a 60 × 60 × 25 mm frame. 124.5 Pa maximum pressure is the standout documented duty-point value. During design qualification, compare the model's model record. Match the exact part number before approving a substitute.
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Within servers and data-center electronics, SUNON PF60251V1-10000-A99 serves as a 60 × 60 × 25 mm DC axial fan operating at 12 VDC. 139.5 Pa maximum pressure is the standout documented duty-point value. The recorded product configuration should guide design qualification. Match the exact part number before approving a substitute.
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