

The EF40201BX-1Q140-S99 is SUNON's 12 VDC, 40 × 40 × 20 mm DC axial fan option for telecom cabinets, base stations, and network equipment. 8200 rpm is the model's most distinctive operating parameter. Use the documented cooling specification when planning mounting verification. Validate mounting and wiring from the model drawing.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 40x40x20mm |
| Max.Air Flow(m³/h) | 18.3 |
| Max.Pressure(Pa) | 79.7 |
| Input Power(W) | 0.78 |
| Speed(rpm) | 8200 |
| Noise(db) | 28.5 |
Designed for industrial equipment, the SUNON EF40201BX-1Q140-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.
A dependable EF40201BX-1Q140-S99 installation starts with a review of exhaust separation. Complete system-resistance review during prototype approval to confirm compatibility, operating margin and the information needed for repeat orders. Include filters, vents and grilles when checking available airflow. The final assembly should be tested under its expected thermal load.
Inspect for dust, blocked airflow, abnormal noise, loose mounting, and wiring damage. Isolate power before cleaning or service.
Its documented 12 VDC rating and 8200 rpm is the model's most distinctive operating parameter. allow comparison with the required duty point without assuming unlisted options.
The worksheet lists 28.5 dB. Installation distance, airflow resistance, and enclosure acoustics can change the measured result.
The worksheet lists up to 18.3 m³/h. Verify the operating point against system resistance.
Yes. The worksheet lists up to 79.7 Pa; compare it with the system curve.
Review its 40 × 40 × 20 mm size, 18.3 m³/h airflow, 79.7 Pa pressure, system resistance, and available mounting space.

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