I have a number of ARCTIC F12 fans .... these have standard 3 pin
connector for plugging onto a mother board

Anyone able to confirm the wiring of these fans as I will not be using
with a PC, but a separate PWM controller.

Plug has RED, BLACK & Yellow
I need to confirm which is +V, Gnd and Tacho
Assume it will be the order I listed above - but thought worth checking.

The PWM controller does not have 3 pin plug, it has screw connectors.

rick wrote:

I have a number of ARCTIC F12 fans .... these have standard 3 pin
connector for plugging onto a mother board
Plug has RED, BLACK & Yellow

blk is always ground

given that it has a red, that will be +12 and yellow will be tacho

if it didn't have a red, then yellow would be +12 and sense usually green

rick used his keyboard to write :
I have a number of ARCTIC F12 fans .... these have standard 3 pin connector
for plugging onto a mother board

Anyone able to confirm the wiring of these fans as I will not be using with a
PC, but a separate PWM controller.

Plug has RED, BLACK & Yellow
I need to confirm which is +V, Gnd and Tacho
Assume it will be the order I listed above - but thought worth checking.

The PWM controller does not have 3 pin plug, it has screw connectors.

Red is +12v, Black ground; yellow is the impulse feedback for rotation
speed.

rick wrote:
I have a number of ARCTIC F12 fans .... these have standard 3 pin
connector for plugging onto a mother board

Anyone able to confirm the wiring of these fans as I will not be using
with a PC, but a separate PWM controller.

Plug has RED, BLACK & Yellow
I need to confirm which is +V, Gnd and Tacho
Assume it will be the order I listed above - but thought worth checking.

The PWM controller does not have 3 pin plug, it has screw connectors.

Any good motherboard manual defines these for you too.

The plug on the fan end, has a surface where that alignment "tab" fits.

https://i.postimg.cc/j23Lk3Xj/fan-examples.gif

Paul

On 19/09/2020 16:42, rick wrote:
I have a number of ARCTIC F12 fans .... these have standard 3 pin
connector for plugging onto a mother board

Anyone able to confirm the wiring of these fans as I will not be using
with a PC, but a separate PWM controller.

Plug has RED, BLACK & Yellow
I need to confirm which is +V, Gnd and Tacho
Assume it will be the order I listed above - but thought worth checking.

The PWM controller does not have 3 pin plug, it has screw connectors.


My assumption on Red & Black was correct - Thnx