





SUNON EEC0251B3-000U-A99 combines a 120 × 120 × 25 mm DC axial fan platform with a 12 VDC rating for telecom cabinets, base stations, and network equipment. Its 2200 rpm rating defines a lower-speed operating point. Base replacement evaluation on the stated system interface. Check the full suffix before confirming connector details.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 120*120*25 |
| Max.Air Flow(m³/h) | 75 |
| Input Power(W) | 1.9 |
| Speed(rpm) | 2200 |
| Noise(db) | 34 |
Equipment builders can integrate SUNON EEC0251B3-000U-A99, a DC brushless axial fan, into industrial equipment. The design supplies the air movement required to carry component heat out of confined spaces.
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 EEC0251B3-000U-A99 and perform environmental checks before release. The result is a clearer cooling specification for engineering, purchasing and maintenance teams. Check that the selected variant suits the specified operating surroundings.
The listed speed is 2200 rpm. Confirm frequency, control method, and duty point for the installed system.
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.
Review its 120 × 120 × 25 mm size, 75 m³/h airflow, system resistance, and available mounting space.
Assess reliability from the exact bearing, temperature, protection, and life data. The supplied series note alone does not confirm every suffix-specific option.
Confirm any missing bearing, connector, control, IP rating, life, certification, and performance-curve details for the complete part number.

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