2.5A 5V DC adaptor

[BWGames]

Anyone know where I can get hold of one to replace a blown one for my ADSL router?

Tried maplin, but they only have 500mA..

Thanks,

Ben

[Grunff]

You sure it's 2.5A? Even if the adaptor is 2.5A, are you sure the router requires 2.5A? That's a fair bit of current for a wall wart.

[BWGames]

Well it says on the bottom of the router Power Input: 5VDC 2400-2800mA (MIN)...

Tried it with a 5V 500mA one and it just keeps restarting :S..

[Grunff]

Wow, fair enough.

RS will have one , but it won't be cheap. Also try .

[Dave Plowman]

Well, they list several in the cat. The PJ 85 is 5 volt at 2.5 amp at

19.99 squids. But it's not a wall wart. I'd guess this sort of current makes it too large to squeeze into one.

[BWGames]

RS don't appear to - only 12V etc come close to 2.5A

CPC have several 1A ones...

Whats the difference between a regulated and unregulated PSU, and does it matter?

Thanks...

[Grunff]

Regulated the output stays at 5V pretty much regardless of current draw. Unregulated it goes down as you draw more current.

You want a regulated supply for this. Definitely.

[The Natural Philosopher]

Try Ebay. You never know...

[Grunff]

Of course they do - RS have *everything*.

454-5119

[Grunff]

No, 2A means 2A.

[BWGames]

Damn. The closest match I can find is

Can't find anything else...

if I did use a unregulated, and set it to a high voltage, as the voltage went down, due to high current... Might not be a good idea...

[Grunff]

I told you they wouldn't be cheap...

Sorry, buy 5V @2.5A is just not that common, so won't be cheap.

You know what I'd do if it was my router? I'd use an old AT or ATX PSU. Lots of good clean 5V output from that.

[BWGames]

Oh yeah... Perfect..

HOW MUCH?!!

*recovers from the shock*

[BWGames]

Yeah, that 2A one from CPC was *regulated*. Cheaper than the RS one too. Hopefully it'd work...

Very suprised it requires such a high current tho...

Gonna try and ask around, see what the original PSU's specs were....

[BWGames]

Ooo, bleddy good idea! I've got lots of ATX PSU's lying about..

Now to find a connector that'll fit the router.. and hope i get polarity right ;)

[usenet]

You could always use a PC power supply, usually pretty cheap and can supply lots of amps at 5 volts. It won't be very tidy but will be cheaper.

[Grunff]

Who hasn't.

Don't you have the old power supply? You said it was blown. Just chop the lead off that, and splice it onto red/black wires on the ATX.

Check polarity with a multimeter before plugging into router. Router should have diagram telling you whether it needs inner or outer (+).

[Tim Hardisty]

Try XP.

Look for their MPP range, and the MPP30US05 is a 5V/4A unit for 26.50 GBP. They appear to offer online orders, although we buy on account for the manufacture of our equipment so have no experience of them online.

Their website is VERY slow by the way :-(

You have to order the mains connector bit separately as there are US, UK and European versions available, and there's a choice of DC connector type too.

Tim Hardisty. Remove HAT before replying

[BWGames]

Oh yeah, brilliant! Won't be tidy, but certainly cheaper.

Tho, I did hear problems about using it with no load, I'm assuming the router will provide enough load, - what about if I turn the router off on its back switch? I don't?

[Christian McArdle]

AT is easier. The ATX might be a pain if it doesn't have a motherboard to chat to. The AT will be easier to turn on and off, too.

Alternatively, if there is a server computer in the same cupboard, or you just connect the modem to the adjacent normal computer (AT or ATX), a bit of cable attached to a spare hard disk power connecter could be good.

AT power supplies are excellent. I ran a car hi-fi off one for ages. Fantastic regulation! No dimming of the lights when turned up.

Christian.