What type of resistor is needed for a dummy load on a 350W PC PSU?

[Glenn Borg]

Hi,
I have a 350 w PSU (PC) with 3.3, 5 and 12 v outputs.

I want to create a dummy load so that i will remain on and output the correct voltage.

However, i found online that a 10 ohm 10w resistor is needed such as this one :
http://www.fabian.com.mt/en/product...tor-wirewound-aluminium-housed-10-ohm-10w.htm

Can you kindly verify if i need one for every output ? (3.3, 5 and 12 v)
Or i connect one end to a Positive 5v and on the other end ground and still can use all outputs ?

Thanks

 

[berkeman]

Hi,
I have a 350 w PSU (PC) with 3.3, 5 and 12 v outputs.

I want to create a dummy load so that i will remain on and output the correct voltage.

However, i found online that a 10 ohm 10w resistor is needed such as this one :
http://www.fabian.com.mt/en/product...tor-wirewound-aluminium-housed-10-ohm-10w.htm

Can you kindly verify if i need one for every output ? (3.3, 5 and 12 v)
Or i connect one end to a Positive 5v and on the other end ground and still can use all outputs ?

Thanks

PC power supplies often have a minimum output current on one or more of the rails. The datasheet for the power supply should specify those minimum output currents -- have you checked for that yet?

 

[davenn]

Can you kindly verify if i need one for every output ? (3.3, 5 and 12 v)
Or i connect one end to a Positive 5v and on the other end ground and still can use all outputs ?

PC power supplies often have a minimum output current on one or more of the rails. The datasheet for the power supply should specify those minimum output currents -- have you checked for that yet?

agree with Berkeman, there are those that are like that
and a large majority have a Power On line that needs to be grounded before the PSU will start up and run

just permanently ground the Power On line and the PSU should always start up and supply all railsDave

 

[Glenn Borg]

Thanks a lot for the answers, i have managed to install a resistor (6.8 ohms 10w) connected to a 5v output. managed to turn on with a switch on the green wire and ground. so far so good, switches on and off accordingly. Thanks