Description
This is 4-wires fan with additional two control wires compare to 2-wires fan. It has power, ground, a tach output and a PWM-drive input. PWM, in brief, uses the relative width of pulses in a train of on-off pulses to adjust the level of power applied to the motor hence control the fan speed.
General Specification:
- Model No: GDT90x15S12B-PWM
- Fan speed: 3900±5% RPM (Max)
- Connector: 4-pin Plug.
- PWM Duty Cycle: 0~100%.
- Dual Ball Bearing.
- Speed Control: Pulse-Width-Modulation (PWM).
- Tachometer Output Signal: 2-pulses/Revolution.
- Rated current: 0.45A.
- Operating Voltage: 12Vdc.
- Power Rating: 5.4W.
- Noise: 39dBA.
- Airflow: 62CFM.
- Cable Length: 300mm.
- Size (HxWxH): (92x92x15)mm.
- Weight: 60g.
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