$141.0 Buy It Now or Best Offer
free,30-Day Returns
Seller Store dtr-lpf
(7935) 100.0%,
Location: Saint Louis, Missouri
Ships to: US,
Item: 182225822175
Restocking Fee:10%
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
NDG7475:NDG7475
MPN:NDG7475
DTR’s Laser Shop:DTR’s Laser Shop
UPC:Does not apply
Listing is for a single 9mm 1W NDG7475 520nm laser diode mounted in a large 25mm x 30mm copper module with leads and a two element 520nm coated glass lens. This module is designed for easy mounting in a 25mm XYZ mount like this one. SK-25 Bearing CNC Aluminum Rail Linear Motion Shaft Support Series Slide 25mm Warning. I have had multiple customers informing me they have received 700mW NDG700 520 diodes from foreign sellers advertised as 1W 520 diodes or 1W 520nm NDG7475(T). Talked with my supplier who confirmed this is going on saying it is a common practice currently. I also looked closely at some of the mentioned listings. The NDG700 700mW diode can be driven to 1W so they are selling them as 1W diodes. This may make it an accurate claim of potential power but confusing to customers. The actual NDG7475 1W 520nm diode can be driven to 1.4W easily with some of the more efficient ones doing 1.6W+ where the NDG700 can not exceed 1W and are less expnesive. The one common thing I notices in all the of these listings was an edited version of the NDG7475 datasheet showing 1.8A as the drive current which is required for the NDG700 700mW diode to hit 1W. The datasheet for the NDG7574 is(and has always shown) 1.7A as the max drive current so if you see max drive current or forward current with 1.8A it is a pretty good bet they are NDG700 being offered. Save yourself the headache of pressing and soldering. Just add heatsink and proper laser driver limiting the current to 2.4A or less. Here is what you get. One 9mm 1W 520nm diode mounted in a large 25mm x 30mm copper module with leads and a two element 520nm coated glass lens. Here is one mounted in a 25mm XYZ mount that you can purchase separately like this one. SK-25 Bearing CNC Aluminum Rail Linear Motion Shaft Support Series Slide 25mm Here is the Pinout for the diode. Ignore the non existent case pin in the diagram. Diodes are current hungry and as they heat up their internal resistance is lowered causing them to want to draw more current. Don’t attempt to connect the diode directly to a fixed voltage source like a battery. You must use a “constant current” laser driver with the current limited to no more than 2.4A. Here is my testing on this diode Nichia NDG7475 1W 520nm Laser DiodeExciting day. Finally got my 1W Green diodes and could not wait to do some testing on them.:eg:This 9mm diode has off center pins.First thing I did is pop one in a sink and fire it up. Was amazed the brightness of the beam indoors during the day. Really bright.Then beam specs and divergence seem to be nearly the exact same as the NDB7875 and M140 445nm diodes. This diode with the G-2 has a pretty identical box reflection as the NDB7875 and M140 as well. So next I decided to put the NDG7475 head to head with the NDB7875 @ 25 Feet they were both about 23mm with a G-2.So now on to the meat here is the LPM test of the diode. I expected this thing to dim maybe around 2.5A but it just kept going. I decided to end it when I started getting foldback around 3.5A. There really was not much gain from 2.5A up but wanted to see where it dimmed but it never did at least to where I felt it would not blow up as they are kind of pricey.:whistle: Would not suggest driving past this point. Stay 2.4A or under. There you have it. Whole lot of of Green goodness. Oh and for some dark shots. *Disclamer* By purchasing these diodes you are agreeing to the following. – You are over 18 years of age . – You understand that these components that are mentioned above are dangerous when not properly assembled into a finished product. – You will use these as components and properly incorporate them into a finished product. – You will use these diodes/modules in a safe and responsible manner and for a legal purpose. – You are legally responsible for the use of these components, improper use of these components or their end products. – You are legally responsible for any injury to anybody resulting from the use of or assembly of these components or their finished products. – You Accept this diode/module as a COMPONENT for integration in a system of YOUR OWN design and will be legally responsible from any and all LIABILITIES These Diodes and Modules are sold solely as a component for incorporation into the customer’s end products. Therefore, this diode/module is exempt from compliance with the appropriate requirements of FDA 21CFR, section 1040.10 and 1040.11 for complete products.
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