Description
This is 4-wires fan with additionnal 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: FFB1212D.
- Size (HxWxH): (120x120x25)mm.
- Fan speed: 3700±10% RPM.
- Connector: 4-pin Plug.
- PWM Duty Cycle: 0~100%.
- Speed Control: Pulse-Width-Modulation (PWM).
- Tachometer Output Signal: 2-pulses/Revolution.
- Rated current: 1.24A.
- Operating Voltage: (10.8~12.6)Vdc.
- Power Rating: 17W.
- Noise: 54dBA.
- Airflow: 140CFM.
- Cable Length: 310mm.
- Weight: 195g.
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