Edge/side emitting LED

M

Mike Perkins

Guest
I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the case.

Are there any stock solutions that peeps use here?3

--
Mike Perkins
Video Solutions Ltd
www.videosolutions.ltd.uk
 
Mike Perkins wrote...
I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the
case. Are there any stock solutions that peeps use here?3

John Larkin posted a good one here about a week ago. But I
think his was meant to act as a backlight to a panel something
or other. There are plenty of through-hole right-angle LEDs.


--
Thanks,
- Win
 
tirsdag den 12. november 2019 kl. 01.39.01 UTC+1 skrev Mike Perkins:
I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the case.

Are there any stock solutions that peeps use here?3

led light pipe, it has a enough wiggle to fit in a hole in a panel and on the pcb is just a regular smd led

if a bit of hand soldering isn't out of the question "edge launch" mounting a
regular LED through hole LED will work
 
On Mon, 11 Nov 2019 19:25:27 -0800, jlarkin@highlandsniptechnology.com
wrote:

On Mon, 11 Nov 2019 17:56:21 -0800 (PST), Lasse Langwadt Christensen
langwadt@fonz.dk> wrote:

tirsdag den 12. november 2019 kl. 01.39.01 UTC+1 skrev Mike Perkins:
I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the case.

Are there any stock solutions that peeps use here?3


led light pipe, it has a enough wiggle to fit in a hole in a panel and on the pcb is just a regular smd led

if a bit of hand soldering isn't out of the question "edge launch" mounting a
regular LED through hole LED will work



This pipe picks up the light from some surface-mount 1206-type LEDs:

https://www.dropbox.com/s/98x3jmsrgivwowp/Light_pipes_3.jpg?raw=1

I've used something like this for 0603 LEDs:
<https://www.digikey.com/product-detail/en/bivar-inc/SLP3-150-450-R/492-2519-ND/4926816>

These look useful, too:
<https://www.digikey.com/product-detail/en/bivar-inc/LPR3-0800-1500DP/492-2306-ND/8595079>
 
On Mon, 11 Nov 2019 17:56:21 -0800 (PST), Lasse Langwadt Christensen
<langwadt@fonz.dk> wrote:

tirsdag den 12. november 2019 kl. 01.39.01 UTC+1 skrev Mike Perkins:
I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the case.

Are there any stock solutions that peeps use here?3


led light pipe, it has a enough wiggle to fit in a hole in a panel and on the pcb is just a regular smd led

if a bit of hand soldering isn't out of the question "edge launch" mounting a
regular LED through hole LED will work

This pipe picks up the light from some surface-mount 1206-type LEDs:

https://www.dropbox.com/s/98x3jmsrgivwowp/Light_pipes_3.jpg?raw=1




--

John Larkin Highland Technology, Inc

lunatic fringe electronics
 
On 11 Nov 2019 17:35:24 -0800, Winfield Hill <winfieldhill@yahoo.com>
wrote:

Mike Perkins wrote...

I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the
case. Are there any stock solutions that peeps use here?3

John Larkin posted a good one here about a week ago. But I
think his was meant to act as a backlight to a panel something
or other. There are plenty of through-hole right-angle LEDs.

This Osram family is really nice.

https://www.digikey.com/products/en?FV=-5|62431

Beautiful colors, especially the blue and orange. We usually shoot the
light onto the back of a label that has a frosty window, but it's OK
firing into a bare hole in an aluminum panel.

https://www.dropbox.com/s/6equeg187v98xdu/ESM_PCB.jpg?raw=1

Two on upper right.




--

John Larkin Highland Technology, Inc

lunatic fringe electronics
 
On Mon, 11 Nov 2019 22:37:38 -0500, krw@notreal.com wrote:

On Mon, 11 Nov 2019 19:25:27 -0800, jlarkin@highlandsniptechnology.com
wrote:

On Mon, 11 Nov 2019 17:56:21 -0800 (PST), Lasse Langwadt Christensen
langwadt@fonz.dk> wrote:

tirsdag den 12. november 2019 kl. 01.39.01 UTC+1 skrev Mike Perkins:
I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the case.

Are there any stock solutions that peeps use here?3


led light pipe, it has a enough wiggle to fit in a hole in a panel and on the pcb is just a regular smd led

if a bit of hand soldering isn't out of the question "edge launch" mounting a
regular LED through hole LED will work



This pipe picks up the light from some surface-mount 1206-type LEDs:

https://www.dropbox.com/s/98x3jmsrgivwowp/Light_pipes_3.jpg?raw=1

I've used something like this for 0603 LEDs:
https://www.digikey.com/product-detail/en/bivar-inc/SLP3-150-450-R/492-2519-ND/4926816

These look useful, too:
https://www.digikey.com/product-detail/en/bivar-inc/LPR3-0800-1500DP/492-2306-ND/8595079

But why does a light pipe, a few milligrams of plastic, cost 5 or 10
time the cost of an LED?



--

John Larkin Highland Technology, Inc

lunatic fringe electronics
 
On 2019-11-12 01:38, Mike Perkins wrote:
I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the case.

Are there any stock solutions that peeps use here?3

I have used lots of types like these, behind holes in a case:
http://35mmtips.com/en/productinfo_117.html
Perfect for auto pick and place. Never had a failure.
Can't find the exact type and supplier anymore.

--
Arie
 
Mike Perkins <spam@spam.com> wrote in news:qqcuuv$tuq$1@news2.open-
news-network.org:

I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the case.

Are there any stock solutions that peeps use here?3

Form factor?

There are teenie tiny SMD LEDs out there and there are fairly large
jobs (0603) and bigger.
 
On 12/11/2019 03:21:56, jlarkin@highlandsniptechnology.com wrote:
On 11 Nov 2019 17:35:24 -0800, Winfield Hill <winfieldhill@yahoo.com
wrote:

Mike Perkins wrote...

I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the
case. Are there any stock solutions that peeps use here?3

John Larkin posted a good one here about a week ago. But I
think his was meant to act as a backlight to a panel something
or other. There are plenty of through-hole right-angle LEDs.

This Osram family is really nice.

https://www.digikey.com/products/en?FV=-5|62431

Beautiful colors, especially the blue and orange. We usually shoot the
light onto the back of a label that has a frosty window, but it's OK
firing into a bare hole in an aluminum panel.

https://www.dropbox.com/s/6equeg187v98xdu/ESM_PCB.jpg?raw=1

Two on upper right.

They certainly look very interesting but don't look suitable for
placement on a panelled PCB.

Many thanks, I will bear them in mind for future projects.


--
Mike Perkins
Video Solutions Ltd
www.videosolutions.ltd.uk
 
Mike Perkins wrote...
They certainly look very interesting but don't
look suitable for placement on a panelled PCB.

Why is that?


--
Thanks,
- Win
 
On 12/11/2019 03:54:34, jlarkin@highlandsniptechnology.com wrote:
On Mon, 11 Nov 2019 22:37:38 -0500, krw@notreal.com wrote:

On Mon, 11 Nov 2019 19:25:27 -0800, jlarkin@highlandsniptechnology.com
wrote:

On Mon, 11 Nov 2019 17:56:21 -0800 (PST), Lasse Langwadt Christensen
langwadt@fonz.dk> wrote:

tirsdag den 12. november 2019 kl. 01.39.01 UTC+1 skrev Mike Perkins:
I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the case.

Are there any stock solutions that peeps use here?3


led light pipe, it has a enough wiggle to fit in a hole in a panel and on the pcb is just a regular smd led

if a bit of hand soldering isn't out of the question "edge launch" mounting a
regular LED through hole LED will work



This pipe picks up the light from some surface-mount 1206-type LEDs:

https://www.dropbox.com/s/98x3jmsrgivwowp/Light_pipes_3.jpg?raw=1

I've used something like this for 0603 LEDs:
https://www.digikey.com/product-detail/en/bivar-inc/SLP3-150-450-R/492-2519-ND/4926816

These look useful, too:
https://www.digikey.com/product-detail/en/bivar-inc/LPR3-0800-1500DP/492-2306-ND/8595079


But why does a light pipe, a few milligrams of plastic, cost 5 or 10
time the cost of an LED?

Cost is an issue and is another component on the BOM. There is no real
problem in placing this LED close to the edge of the PCB.


--
Mike Perkins
Video Solutions Ltd
www.videosolutions.ltd.uk
 
On Mon, 11 Nov 2019 19:54:34 -0800, jlarkin@highlandsniptechnology.com
wrote:

On Mon, 11 Nov 2019 22:37:38 -0500, krw@notreal.com wrote:

On Mon, 11 Nov 2019 19:25:27 -0800, jlarkin@highlandsniptechnology.com
wrote:

On Mon, 11 Nov 2019 17:56:21 -0800 (PST), Lasse Langwadt Christensen
langwadt@fonz.dk> wrote:

tirsdag den 12. november 2019 kl. 01.39.01 UTC+1 skrev Mike Perkins:
I'm looking for a SMD LED that I can use as a power/activity LED.

This needs to be PCB mounted but visible through a hole in the case.

Are there any stock solutions that peeps use here?3


led light pipe, it has a enough wiggle to fit in a hole in a panel and on the pcb is just a regular smd led

if a bit of hand soldering isn't out of the question "edge launch" mounting a
regular LED through hole LED will work



This pipe picks up the light from some surface-mount 1206-type LEDs:

https://www.dropbox.com/s/98x3jmsrgivwowp/Light_pipes_3.jpg?raw=1

I've used something like this for 0603 LEDs:
https://www.digikey.com/product-detail/en/bivar-inc/SLP3-150-450-R/492-2519-ND/4926816

These look useful, too:
https://www.digikey.com/product-detail/en/bivar-inc/LPR3-0800-1500DP/492-2306-ND/8595079


But why does a light pipe, a few milligrams of plastic, cost 5 or 10
time the cost of an LED?

Because the LED is less than a milligram of plastic?
 
onsdag den 13. november 2019 kl. 20.55.15 UTC+1 skrev Mike Perkins:
On 13/11/2019 01:25:45, Winfield Hill wrote:
Mike Perkins wrote...

They certainly look very interesting but don't
look suitable for placement on a panelled PCB.

Why is that?

Because a pick and place machine would generally place from above, and
these look as if they need to be placed from the side.

from the side? they place just like any other SMD component, the top "ledge" is for the PnP machine suction cup
 
On Wed, 13 Nov 2019 19:55:11 +0000, Mike Perkins <spam@spam.com>
wrote:

On 13/11/2019 01:25:45, Winfield Hill wrote:
Mike Perkins wrote...

They certainly look very interesting but don't
look suitable for placement on a panelled PCB.

Why is that?

Because a pick and place machine would generally place from above, and
these look as if they need to be placed from the side.

No, ordinary pick-and-place.

https://www.dropbox.com/s/r6sl0nh8zd9sm7r/ASP_SN1_top.jpg?raw=1

Just set them back from the edge of the board, 50 mils or so, so they
don't hit the panel. Not too far or the light will spread out.




--

John Larkin Highland Technology, Inc
picosecond timing precision measurement

jlarkin att highlandtechnology dott com
http://www.highlandtechnology.com
 
On 13/11/2019 01:25:45, Winfield Hill wrote:
Mike Perkins wrote...

They certainly look very interesting but don't
look suitable for placement on a panelled PCB.

Why is that?

Because a pick and place machine would generally place from above, and
these look as if they need to be placed from the side.

--
Mike Perkins
Video Solutions Ltd
www.videosolutions.ltd.uk
 
On Wed, 13 Nov 2019 12:16:13 -0800, John Larkin
<jlarkin@highland_atwork_technology.com> wrote:

On Wed, 13 Nov 2019 19:55:11 +0000, Mike Perkins <spam@spam.com
wrote:

On 13/11/2019 01:25:45, Winfield Hill wrote:
Mike Perkins wrote...

They certainly look very interesting but don't
look suitable for placement on a panelled PCB.

Why is that?

Because a pick and place machine would generally place from above, and
these look as if they need to be placed from the side.

No, ordinary pick-and-place.

https://www.dropbox.com/s/r6sl0nh8zd9sm7r/ASP_SN1_top.jpg?raw=1

Just set them back from the edge of the board, 50 mils or so, so they
don't hit the panel. Not too far or the light will spread out.

https://www.dropbox.com/s/4n9fiab1cv4a4bz/OsramCurrents.JPG?raw=1

https://www.dropbox.com/s/k5vsr6cmzynx7y5/V220_Leds.JPG?raw=1

https://www.dropbox.com/s/i6xlklab2wb53mw/LEDs.JPG?raw=1

https://www.dropbox.com/s/8pcbiw0a5h6tisx/LT_T67C_IV%20Graph.pdf?raw=1

--

John Larkin Highland Technology, Inc
picosecond timing precision measurement

jlarkin att highlandtechnology dott com
http://www.highlandtechnology.com
 

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