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Hy i got some of the same and i believe the 2 outer pins (the one that is attached with the base of the laser diode is the - and the direct oposite one is the plus) the 2 pins on the short side of the laser diode. Sorry for my messed up explenation (DUTCH). I got 2 red one's that i think take...

hey can you help me i bought for 10 euro a lg 22x with 2 diodes i burned ouit my open can 300mw en the 8x lg so i really need help

I checked it with my multimeter and a dummyload of 1ohm and 4x1n4007. I think it gave 3.13V and 1.16A, but the strange think is that i already burned 2 diode's in a couple of weeks ago and i though this one would die of that current but it didn't so i think it was because of the low voltage...

Well i put it back to 300ma and its was set to 1.16A i think the max of the l1117(if i'm right). Wrong soldering i think But i think that it didn't fry the ld because of that my batteries where not full enough, so the voltage over the ld was only 2.9/3.1. So i'm gonna change the current to max...

I still had a lite-on 8x dvd+r (LDW-851s) that is where the diode is from and i really cannot find anything about it no code on the diode case nothing in a datasheet or something, i wanna know how far i can push it :angel:

hey jim i posted my pic's yo can see my diy red from the lite-on

I know for sure that is didn't died because of all the ones that i did blew haha but this one just keeps taking more current and keep getting brighter and at the 1.16 amp there was a very bright beam even thow i had it unfocust. I'm charging my camera batteries ow damn i got 8.1 mp in my phone...

Hello, i need help with my first diy red laser and i search the whole wibe web for an answer on what diode is put in the lite-on LDW-851s. I got it working at 300ma it is working pretty good but my problem is that i cannot find anny info about the drive. For accidenty i connected my diy l1117...