

A 40 × 40 × 10 mm frame and 12 VDC rating define EF40101B2-10000-A99, a DC axial fan for telecom cabinets, base stations, and network equipment. A listed noise value of 17.7 dB is the model's key differentiator. For airflow balancing, start with the supplied thermal-duty record. Review connector, alarm, and sensor options separately.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 40x40x10mm |
| Max.Air Flow(m³/h) | 9.3 |
| Max.Pressure(Pa) | 24.9 |
| Input Power(W) | 0.45 |
| Speed(rpm) | 5000 |
| Noise(db) | 17.7 |
The SUNON EF40101B2-10000-A99 positions a DC brushless axial fan for refrigeration equipment. Its airflow path supports heat removal from enclosed components and toward the equipment exhaust.
The brushless DC motor architecture supports efficient electronic commutation and stable rotational performance for compact equipment cooling. Separating cool intake air from warm exhaust limits recirculation and improves heat-transfer effectiveness inside the equipment.
For an orderly design-in process, assess vibration transfer around EF40101B2-10000-A99 and perform maintenance planning in equipment qualification. The result is a clearer cooling specification for engineering, purchasing and maintenance teams. Check how rotating forces couple into panels and sensitive assemblies.
SUNON EF40101B2-10000-A99 serves commercial refrigeration equipment. Airflow around cabinet electronics and heat-exchange sections helps address recurring refrigeration loads. The fan gives OEM equipment a defined air route and supports stable temperature control.
SUNON EF40101B2-10000-A99 serves refrigerators and cold-storage equipment. Airflow around internal electronics and air passages helps address uneven thermal conditions. The fan gives OEM equipment a defined air route and supports reliable cooling operation.
SUNON EF40101B2-10000-A99 serves medical refrigeration equipment. Airflow around temperature-control electronics and heat exchangers helps address continuous cooling demand. The fan gives OEM equipment a defined air route and supports controlled storage conditions.
The supplied row does not state the connector or lead configuration. Follow the model-specific wiring drawing.
Match voltage, dimensions, mounting, airflow direction, airflow, pressure, connector, control signal, and protection before substitution.
Stock and lead time can change. Confirm the exact suffix, quantity, and delivery date with the supplier before ordering.
The listed rating is 12 VDC. Verify polarity or mains frequency, wiring, and protection before commissioning.
The worksheet lists up to 9.3 m³/h. Verify the operating point against system resistance.

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