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Lot's of good advice here! I finally got the right sized SMA905 connector (330um in this case, I tried 440, 220um, before realising 330um was the right fit), the right glue (the first time round I didn't realise I need to wait 4 hours for it to set), polishing pads, cleaver, etc - and had my...

I managed to get a deal I could not pass on these 4 x 400W (claimed) IR pump diodes. I intially tested one prior to any cleaving of the coupled fiber optic cables, and as I started to increase the current (I started low) something started to burn in the fiber optic cable so I quickly stopped...

Thanks, used some thermal paste and makes a world of difference! I think I killed one of the NUBB14s I got, it's still turning on now but only draws a max of 1.4a - which seems a lot lower than the 3a it's rated at. Lucky I got a few of them!

A long time lurker on the forums and finally posting. I have been reading a lot over the last few months and already learnt a lot here. I recently bought a few NUBB14s and a NUMB12 and have been testing them. Crazy how small these things are and the amount they punch into such a small package...