So I dissassebled a whole bunch of DL DVD burners at work today

[Boosted98gsx]

The Fry's label reads

Velleman PS1 $79.99
Velleman PS1503SBU
Supply 0-15 volts dc
Adjustable Output
PS1503SBU 5095835

Both the voltage and current are adjustable.

Okay, I got it.

 

[Boosted98gsx]

workin through my diodes, with voltage at 2.5v and amps at .1, is this correct?

GAH most of these are infrared!

 

[Coherent Light]

That sounds right. Does the Diode light up? Watch Your eves.

 

[Boosted98gsx]

That sounds right. Does the Diode light up? Watch Your eves.

Yes, the diodes are lighting up. I have them pointed at my desk as I connect them, so I'm not directly shining them at my face.

 

[Coherent Light]

Sounds great. Wait for some of the more experienced users to Chime in on what the limits are on current and voltage for Your diodes. It should be safe to go up to between 250ma- 300ma, but I am not 100% certain.

 

[Boosted98gsx]

PICS!!

And does anyone know what these are?

 

[Kulhu]

I am in Arlington too!

South Arlington FTW, near mansfield by seguin(my school)

 

[Boosted98gsx]

South Arlington FTW, near mansfield by seguin(my school)

I'm over in Pantego.

 

[Coherent Light]

Pictures look good. Do You happen to know the manufacturer and model of the drives the diodes came out of?

 

[Boosted98gsx]

Pictures look good. Do You happen to know the manufacturer and model of the drives the diodes came out of?

I'm pretty certain they were both lightscribe drives, and were the same kind of drive. They appear to be BOTH IR and DL burner diodes in one.

 

[Coherent Light]

IIRC that sounds like something I read here on the forum. You can search to see what has been posted on LightScribe. Someone needs to verify this, but I think that the Diodes from LS drives are around 500mw.

 

[DTR]

And does anyone know what these are?

Those look similar to the ones that I harvested out of the 12X Lite On blueray burner sled. I think it is a red open can diode.

Here is the Thread
http://laserpointerforums.com/f38/harvesting-lite-12x-52254.html#post727288

 

[Boosted98gsx]

GAH! sorry for posting in your other thread, DTR. How did you mount them once you removed them from the housing?

 

[DTR]

GAH! sorry for posting in your other thread, DTR. How did you mount them once you removed them from the housing?

I was hoping one of the more seasoned members could tell me what these diodes were and what they were capable of before I messed with them. I don't even know which are the positive and negative pins. I did not hear back from anyone so I threw them on the shelf to work on other projects but now that you ask I remember them and am still interested to find out what they are.

You could hook them up to the power supply at very low current and see what happens. If you can figure the right polarity and voltage.

 

[qumefox]

The 3 pin non-TO18 diodes will probably be 660/780 combinations. The 3 pin TO18 diodes will be one or the other. An easy way to figure out what a sled is going to have is this. CD only drives will have 780nm only. DVD drives will have both 780 and 660. If you can only find one diode in these sleds, then it has both emitters in it. Bluray drives will have 780, 660 and 405. If they have 3 separate diodes, it's easy. If it has two, generally it'll have a combined 780/660 and a separate 405.

Not many people do much with the flat plastic diode packages yet since they're, so far, fairly hard to heatsink and lens. As they become more common though, i'm sure someone will come up with a fairly easy way to use them in the future.

 

[Boosted98gsx]

The 3 pin non-TO18 diodes will probably be 660/780 combinations. The 3 pin TO18 diodes will be one or the other. An easy way to figure out what a sled is going to have is this. CD only drives will have 780nm only. DVD drives will have both 780 and 660. If you can only find one diode in these sleds, then it has both emitters in it. Bluray drives will have 780, 660 and 405. If they have 3 separate diodes, it's easy. If it has two, generally it'll have a combined 780/660 and a separate 405.

But there's no way to take these "combo" diodes and make anything useful from them, is there?