Evercool 40x40x20mm PWM Ball Bearing Fan 12V EC4020SH12BPBP

PWM (Pulse width modulation) is a powerful technique for controlling analog circuits with a microprocessor's digital outputs. By controlling analog circuits digitally, system costs and power consumption can be drastically reduced. Evercool PWM fan creates outstanding static pressure and focuses the airflow for superior performance on coolers and other applications. Evercool PWM fan uses high quality PWM IC for fully automatic control guarantee astounding quietness of operation. While choosing qualified PWM fan, Evercool must be the first choice for users. PRODUCT SPECIFICATION: DC Fan Size: 40x40x20mm Bearing Type: Dual Ball Bearing Fan Speed: 3000 ± 25% ~ 9000 ± 10% RPM Noise Level: <21 DBA Rated Voltage: 12 Volt Safety Approval: RoHS Compliant ACCESSORIES: 3 to 4 Pin Cable Adapter Screws x 4