the diode i had was from an LG DVD drive .. cant remember the the exact type but the diode had 4 pins (red, IR, Photodiode?? and Kathode) havent tested it jet .. might do it next week
Do those diodes kinda look like this?
http://img14.imageshack.us/i/photo0386q.jpg/ with heatsink
http://img29.imageshack.us/i/photo0387q.jpg/ and just the diode