

Positioned for telecom cabinets, base stations, and network equipment, SUNON EEC0381B1-000U-A99 is a 12 VDC DC blower in a 120 × 120 × 38 mm frame. Up to 234.5 m³/h is its most prominent listed performance figure. Review its operating point during noise-control planning. Confirm environmental protection for the ordered version.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 120x120x38 |
| Max.Air Flow(m³/h) | 234.5 |
| Max.Pressure(Pa) | 89.7 |
| Input Power(W) | 10 |
| Speed(rpm) | 3100 |
| Noise(db) | 48 |
The EEC0381B1-000U-A99 from SUNON addresses cooling needs in industrial equipment. As a DC brushless axial fan, it creates a defined inlet-to-outlet route across the thermal load.
With up to 234.5 m3/h listed airflow, the fan provides a measurable starting point for thermal design. Clear inlet space and a controlled outlet help preserve useful flow. A documented PWM input allows system demand to regulate speed, supporting part-load energy use and acoustic control.
For an orderly design-in process, assess vibration transfer around EEC0381B1-000U-A99 and perform prototype trials 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.
The worksheet lists 48 dB. Installation distance, airflow resistance, and enclosure acoustics can change the measured result.
Verify supply, wiring, obstructions, impeller movement, and protection status. Use the model datasheet before replacement or repair.
Keep the airflow path clear, secure the frame without distortion, and follow the exact wiring diagram and voltage rating.
The worksheet lists 10 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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