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-bounces@mit.edu <piclist-bounces@mit.edu> On Behalf Of Clint =
Jay
Sent: Wednesday, September 5, 2018 1:11 PM
To: piclist@mit.edu
Subject: Re: [EE] Laser diode sources

To what sort of level, are we talking the bare metal transistor can type wi=
th three pins where you need to spin your own driver or would something a l=
ittle more integrated do?

On Wed, 5 Sep 2018 at 18:55, David Van Horn < david.vanhorn@backcountryacce=
ss.com> wrote:

> I'm looking for parts I can design into a product.
>
>
> -----Original Message-----
> From: piclist-bounces@mit.edu <piclist-bounces@mit.edu> On Behalf Of=20
> Alan
> Sent: Wednesday, September 5, 2018 11:13 AM
> To: piclist@mit.edu
> Subject: Re: [EE] Laser diode sources
>
> eBay as low as .75c us per packaged diode=20
> https://www.ebay.com/itm/TO-18-5mW-650nm-Red-Laser-Diode-Module-Laser-
> Generator-PR/323377784045?hash=3Ditem4b4ad164ed:g:G4QAAOSwYFpbSBJJ
>
> Or less for complete module in quantity 50 for $16.00=20
> https://www.ebay.com/itm/50pcs-5V-5W-Laser-Dot-Diode-Module-Head-WL-Re
> d-mini-650nm-6mm-Copper-Head/332349309433?hash=3Ditem4d619001f9:g:U4cAAO
> SwxbpZl64V
>
> But go here for a vast selection but not as cheap as I thought but=20
> about
> $1.00 for bare chip 650nm bare chip http://www.roithner-laser.com/=20
> Here for price list http://www.roithner-laser.com/pricelist.pdf
>
> And then eBay has cat toy laser pointers for .75c=20
> https://www.ebay.com/itm/Random-Interactive-Led-Training-Funny-Cat-Pet
> -Play-Toy-Laser-Pointer-Pen/302716547735?hash=3Ditem467b4ff297:g:hTkAAOS
> wx3Va4BbD
>
>
>
> Looking forward,
> Al Shinn (Tinker)
>
>
> > On Sep 5, 2018, at 9:00 AM, piclist-request@mit.edu wrote:
> >
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> >   1. [EE] Laser diode sources (David Van Horn)
> >
> >
> > --------------------------------------------------------------------
> > --
> >
> > Message: 1
> > Date: Wed, 5 Sep 2018 15:52:29 +0000
> > From: David Van Horn <david.vanhorn@backcountryaccess.com>
> > Subject: [EE] Laser diode sources
> > To: "piclist@mit.edu" <piclist@mit.edu>
> > Message-ID:
> >    <
> BL2PR01MB322428C05D929BFE7AF78BCE0020@BL2PR01MB322.prod.exchangelabs.c
> om>
> >
> > Content-Type: text/plain; charset=3D"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=20
> > 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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--
Clint. M0UAW IO83

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