PWM fans control speed with a low power loss in the switching device
10-03-2015 |
Mouser Electronics
|
Subs & Systems
Now available from Mouser, Delta Electronics' pulse width modulation (PWM)
fans regulate the voltage signal between fully on and fully off, controlling
the speed of a fan with a very low power loss in the switching device.
When a switch is off, there is practically no current, and when it is on,
there is almost no voltage drop across the switch. As a result, power loss
is close to zero.
A wide range of options includes power ratings from 1.68W to over 100W,
noise ratings from 25dBA to 80dBA and fan speeds from 3200rpm to over
16,000rpm.
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