Evercool 40x40x20mm PWM Ball Bearing Fan 12V-EC4020SH12BP
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Evercool 40x40x20mm PWM Ball Bearing Fan 12V-EC4020SH12BP

$9.95
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Evercool 40x40x20mm PWM Ball Bearing Fan 12V-EC4020SH12BPBP 840556102243 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:  40x40x20mmBearing Type: Dual Ball BearingFan Speed: 3000 ± 25% ~ 9000 ± 10% RPMNoise Level: 14.6-32 DBARated Voltage: 12 VoltSafety Approval: RoHS Compliant ACCESSORIES:3 to 4 Pin Cable Adapter.Screws x 4. NOTE: PWM Fans are not variable speed control fans on their own.  An integrated circuit varies the speed and airflow of a

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