WE ARE RICH ELECTRONICS
PURCHASERS OF SURPLUS
For sale here we have the above part…
3-wire 3-pin Temperature control cooling fan for high output power supplies, computer or other electronic equipment.
60 mm x 60mm x 15 mm
3 Wire Temperature Control 4 hole fixings.
Electrical connection is through 3 wires red, white and black to a small 3 pin connector.
Red and Black are positive and negative (if only these are connected fan runs happily and the other white wire can be ignored).
A 3-wire fan has power, ground, and a tachometric (“tach”) output, which provides a signal with frequency proportional to speed. Control of speed of 3-pin fans can ONLY be done by changing the voltage supplied to it on Pin#2 (white wire), so this system is called “Voltage Control Mode”, or sometimes “DC Mode”
These parts came to us as part of a lot of surplus stock from a large Milspec type Co. and have been kept in storage for some time, we have therefore classified them as ‘new other’. They are however in ‘as new’ condition, the photographs are representative of this and, as with all our products they come with a full guarantee.
If you have similar items to this, or indeed any electronic components that are surplus to requirements please contact us with details.