DC12V 4-wire PWM Fan Temperature Control Speed Controller Temperature Speed 3A
5,65 €
PWM frequency: 25KHZ (plus or minus 1KHZ). PWM signal amplitude:5V (no load). LED "× 10 RPM": speed unit light this light is lit digital tube display for the fan speed the value of the speed divided by 10 after the value, such as displaying 256 is the actual fan speed of 2560RPM (rev / min).
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