DC Centrifugal Fans 120mm
Feature DC centrifugal fans 120mm
General Specifications
Material ---------- Frame:Plastics PBT (Flammability:UL94V-0)
Impeller:Plastics PBT (Flammability:UL94V-0)
Lead Wire -------- + Red - Black (Sensor) Yellow (Control) Brown
Life time -----------50000 Hours Ball bearing
Storage Temperatur--- -25℃ ~ +80℃（Non-comdensing）
Bearing Type----- Ball Bearings
Speed Range----- ±5%
Dimension drawing DC centrifugal fans 120mm
Air c Flow-Static Pressure Characteristics DC centrifugal fans 120mm
12042-A-LG 12042-A-MG
12042-A-HG 12042-A-HHG
12042-A-VHG
Specifications Parameter DC centrifugal fans 120mm
| Model No. | Rated Voltage | Operating Voltage | Rated Current | Rated Input | Speed | Maximum Air Flow | Max.Static | Pressure | Noise | |
| VDC | VDC | AMP | Watt | R.P.M | M3/min | CFM | PA | IN H2O | dB-A | |
| YB12042L12D-A | 12 | 6.2-13.2 | 0.22 | 2.64 | 2000 | 1.564 | 55.06 | 7.39 | 0.29 | 35.5 |
| YB12042M12D-A | 0.4 | 4.8 | 2500 | 2.12 | 74.5 | 12.91 | 0.51 | 39.5 | ||
| YB12042H12D-A | 0.65 | 7.8 | 3000 | 2.53 | 89.25 | 18.69 | 0.74 | 43.5 | ||
| YB12042X12D-A | 1.05 | 12.6 | 3500 | 2.95 | 103.82 | 24.89 | 0.98 | 47.5 | ||
| YB12042Y12D-A | 1.5 | 18 | 4000 | 3.41 | 120.22 | 31.47 | 1.24 | 51.5 | ||
| YB12042Y24D-A | 24 | 13.2-26.8 | 0.75 | 18 | 4000 | 3.41 | 120.22 | 31.47 | 1.24 | 51.5 |
| YB12042Y48D-A | 48 | 33.0-54.0 | 0.375 | 18 | 4000 | 3.41 | 120.22 | 31.47 | 1.24 | 51.5 |
Typical Solution
Industry Knowledge
Air volume formula = average speed * area
The speed and size of the wind passage region affect the fan's air volume.
The wind area is the same: the air volume increases with increasing wind speed.
The air volume increases as the wind area increases, maintaining the same wind speed.
high.
a static force
For those who enjoy playing the overclocking game, the static pressure differential between the fan's air intake and air output has a significant impact on the fan's "power."
rotating swiftly
the number of times the fan blades rotate in one second, usually expressed in rpm. The high speed has produced a variety of "violent" fans and loud noises, and the speed is fairly simple to measure.
The wind speed, air volume, and wind pressure described above are all impacted by rotating speed.
The air volume and wind pressure increase as speed does as well as wind speed, air volume, and wind pressure.
Important Note
Rated Current: Rated Current must be measured following three continuous minutes of rotation at the specified voltage.
Rated Speed: After three minutes of continuous rotation at the specified voltage, the speed should be measured.
Start Voltage: The voltage that can turn a fan "ON" and send it into operation.
Dropping test requirement: Drop a minimum packing box in a perpendicular free fall motion from a height of 30 cm to the surface of a hardwood plate that is 10 cm thick. Connecting the fan to electricity after the test will keep it running normally.
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