NDB7A75 diode is one of the blue laser diodes made by Nichia Japan. Nichia Japan can produce many kinds of laser diodes, but they’re best in blue ray laser diodes, including 445nm, 450nm, 455nm blue laser LDs.

NDB7A75 Diode has a high output power of 3.5W 3500mW, its package type is T05 , that means the diameter is 9mm. Check the more specs at its datasheet here.

You can buy NDB7A75 Diode at the following sellers:

BeamQ 3500mW Nichia Laser Diode NDB7A75 .

civillaser Nichia NDB7A75 blue high power laser diode T05 9mm .

eBay Nichia NDB7A75 445nm 450nm 3.5W 3500mW .

NDB7A75 Diode needs to be connected to 5A High Current 12V Step-Down Constant Current Drive Circuit w/TTL as following to work.

Then you will get a Blue laser module made with 3500mW Nichia Laser Diode NDB7A75 as following