Possibly even bare dice for COB.
I'd be happy with an 0402 top emitter, but I don't expect to find it.
-----Original Message-----
From: piclist-***@mit.edu <piclist-***@mit.edu> On Behalf Of Clint Jay
Sent: Wednesday, September 5, 2018 1:11 PM
To: ***@mit.edu
Subject: Re: [EE] Laser diode sources
To what sort of level, are we talking the bare metal transistor can type with three pins where you need to spin your own driver or would something a little more integrated do?
On Wed, 5 Sep 2018 at 18:55, David Van Horn < ***@backcountryaccess.com> wrote:
> I'm looking for parts I can design into a product.
>
>
> -----Original Message-----
> From: piclist-***@mit.edu <piclist-***@mit.edu> On Behalf Of
> Alan
> Sent: Wednesday, September 5, 2018 11:13 AM
> To: ***@mit.edu
> Subject: Re: [EE] Laser diode sources
>
> eBay as low as .75c us per packaged diode
> https://www.ebay.com/itm/TO-18-5mW-650nm-Red-Laser-Diode-Module-Laser-
> Generator-PR/323377784045?hash=item4b4ad164ed:g:G4QAAOSwYFpbSBJJ
>
> Or less for complete module in quantity 50 for $16.00
> https://www.ebay.com/itm/50pcs-5V-5W-Laser-Dot-Diode-Module-Head-WL-Re
> d-mini-650nm-6mm-Copper-Head/332349309433?hash=item4d619001f9:g:U4cAAO
> SwxbpZl64V
>
> But go here for a vast selection but not as cheap as I thought but
> about
> $1.00 for bare chip 650nm bare chip http://www.roithner-laser.com/
> Here for price list http://www.roithner-laser.com/pricelist.pdf
>
> And then eBay has cat toy laser pointers for .75c
> https://www.ebay.com/itm/Random-Interactive-Led-Training-Funny-Cat-Pet
> -Play-Toy-Laser-Pointer-Pen/302716547735?hash=item467b4ff297:g:hTkAAOS
> wx3Va4BbD
>
>
>
> Looking forward,
> Al Shinn (Tinker)
>
>
> > On Sep 5, 2018, at 9:00 AM, piclist-***@mit.edu wrote:
> >
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> > 1. [EE] Laser diode sources (David Van Horn)
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> > --------------------------------------------------------------------
> > --
> >
> > Message: 1
> > Date: Wed, 5 Sep 2018 15:52:29 +0000
> > From: David Van Horn <***@backcountryaccess.com>
> > Subject: [EE] Laser diode sources
> > To: "***@mit.edu" <***@mit.edu>
> > Message-ID:
> > <
> ***@BL2PR01MB322.prod.exchangelabs.c
> om>
> >
> > Content-Type: text/plain; charset="us-ascii"
> >
> > I just looked on Digikey for Laser diodes, and the least expensive I
> could find, was about $5 in Q 50,000!
> >
> > Where can I source small, very inexpensive visible laser diodes? 1
> > to 5
> mW would be fine. No other particular requirements.
> > I might even go as far as bare chips for a COB design.
> >
> >
> >
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> > End of Piclist Digest, Vol 170, Issue 3
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--
Clint. M0UAW IO83
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