[MLB-WIRELESS] N-type adapters, 5V regs on eBay

[rik]

wow , now i know something new

look at me im learning eletronics

can you help me build a robot arm?

----- Original Message -----
From: "Tom Parker" <tparker at netspace.net.au>
To: <melbwireless at wireless.org.au>
Sent: Sunday, February 16, 2003 1:03 PM
Subject: RE: [MLB-WIRELESS] N-type adapters, 5V regs on eBay


> Rik,
>
> Yeah, but the TO-220 has much less metal on it so needs a bigger heatshink
> and will carry less current without a heatsink.  How hot they get depends
> upon the input voltage too (in addition to load current).  If you put 12V
in
> then 12 - 5 = 7V has to go somewhere (heat), if you put 9V in 9 - 5 = 4V
> then a lot less heat will be generated.
>
> The TO-220 also has a smaller surface area so the heat must pass over a
> smaller surface too.
>
> Cheers,
> Tom
>
> ps. the auction is good value, but 100 is too many!!
>
>
> ----------------------------------
> Tom Parker tparker at netspace.net.au
> http://www.wiresncode.com/projects
>
>
>
> > -----Original Message-----
> > From: rik [mailto:mibz at optushome.com.au]
> > Sent: Sunday, 16 February 2003 12:47 PM
> > To: tparker at netspace.net.au
> > Subject: Re: [MLB-WIRELESS] N-type adapters, 5V regs on eBay
> >
> >
> > they say they both do 1.5 amps
> >
> >
> > ----- Original Message -----
> > From: "Tom Parker" <tparker at netspace.net.au>
> > To: <melbwireless at wireless.org.au>
> > Sent: Sunday, February 16, 2003 12:24 PM
> > Subject: RE: [MLB-WIRELESS] N-type adapters, 5V regs on eBay
> >
> >
> > >
> > > 100 regulators is a lot of POE boxen!!!
> > >
> > > Here are some one off retail reference prices to compare.
> > >
> > > TO-220 (same as auction).
> > >
> > http://www.rockby.com.au/catresults.cfm?searchkey=7805&searchbtn=S
> > ubmit&stoc
> > > k_no=23842
> > >
> > > TO-3 (carry more current without heatsink)
> > >
> > http://www.rockby.com.au/catresults.cfm?searchkey=7805&searchbtn=S
> > ubmit&stoc
> > > k_no=23843
> > >
> > > Rockby are about 5 mins from Monash Uni.
> > >
> > > Cheers,
> > > Tom
> > >
> > > ----------------------------------
> > > Tom Parker tparker at netspace.net.au
> > > http://www.wiresncode.com/projects
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: owner-melbwireless at wireless.org.au
> > > > [mailto:owner-melbwireless at wireless.org.au]On Behalf Of Clae
> > > > Sent: Sunday, 16 February 2003 12:04 PM
> > > > To: melbwireless at wireless.org.au
> > > > Subject: Re: [MLB-WIRELESS] N-type adapters, 5V regs on eBay
> > > >
> > > >
> > > > Note that these just adapt an N-type connector to another N-type
> > > > connector, male or female, they aren't the bare N-types you can add
> > > > to the end of a cable....
> > > >
> > > > The 5v regs could be useful for POE boxes
> > > >
> > > >
> > > > At 11:41 AM +1100 16/2/03, rik wrote:
> > > > >im quiet willing to get these and divide the cost by 7 for
> > the first 6
> > > > >people who come up to me at the mw meet
> > > > >
> > > > >if you dont know me yet im the one people bring monkeys to
> > throw poo at
> > > > >
> > > > >rik
> > > > >----- Original Message -----
> > > > >From: "Clae" <clae at tpg.com.au>
> > > > >To: <melbwireless at wireless.org.au>
> > > > >Sent: Sunday, February 16, 2003 7:50 AM
> > > > >Subject: [MLB-WIRELESS] N-type adapters, 5V regs on eBay
> > > > >
> > > > >
> > > > >>  Are these any use to anyone?
> > > > >>
> > > > >>  http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=2507561051
> > > > >>  Connector N Type Adaptor M-M (1 Lot of 7)
> > > > >>  http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=2507583645
> > > > >>  Connector N Type Adaptor M-F (1 Lot of 7)
> > > > >>  http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=2507567310
> > > > >>  REGULATORS   5  Volt     ( 1 x Lot of 100)
> > > > >>
> > > > >>  If so, and you're not on eBay, get back to me to arrange
bidding.
> > > > >>  Each lot is currently $19.95 with no bids.
> > > > >>
> > > > >>  Clae.
> > > > >>
> > > > >>  --
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> > > > >>
> > > > >>  To unsubscribe: send mail to majordomo at wireless.org.au
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> > > > >
> > > > >
> > > > >To unsubscribe: send mail to majordomo at wireless.org.au
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>
>
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